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IPレンジ

Akamai のIPレンジ一覧

Akamai(AS20940)が現在インターネット上で広報しているIPv4・IPv6のレンジをすべて、CIDRと開始・終了IPで掲載しています。TXT・CSVで無料ダウンロードできます。データのスナップショット日:2026-11-02。

AkamaiはAS20940から、3,945件のIPv4プレフィックス(合計13,880,000アドレス)と772件のIPv6プレフィックスを広報しています。以下のリストは2026-11-02に公開BGPルーティングテーブルから取得したスナップショットで、アドレス順に並べ、広報されたままの形で載せています。

ASNAS20940
IPv4プレフィックス数3,945
IPv4アドレス総数13,880,000重なる部分は1回だけ数えています
IPv6プレフィックス数772
データのスナップショット日

全件のリストをダウンロード

全件のリストは4,717件(IPv4とIPv6)です。TXTは1行1CIDR、CSVはcidr・version・start_ip・end_ip・addressesの5列です。

Akamai のIPv4レンジ

Akamaiが広報するIPv4レンジ:CIDR、開始・終了IP、アドレス数
CIDR開始IP – 終了IPアドレス数
2.16.0.0/132.16.0.0–2.23.255.255524,288
2.16.0.0/242.16.0.0–2.16.0.255256
2.16.1.0/242.16.1.0–2.16.1.255256
2.16.2.0/242.16.2.0–2.16.2.255256
2.16.4.0/232.16.4.0–2.16.5.255512
2.16.6.0/242.16.6.0–2.16.6.255256
2.16.7.0/242.16.7.0–2.16.7.255256
2.16.8.0/242.16.8.0–2.16.8.255256
2.16.10.0/242.16.10.0–2.16.10.255256
2.16.11.0/242.16.11.0–2.16.11.255256
2.16.14.0/242.16.14.0–2.16.14.255256
2.16.15.0/242.16.15.0–2.16.15.255256
2.16.16.0/242.16.16.0–2.16.16.255256
2.16.22.0/242.16.22.0–2.16.22.255256
2.16.23.0/242.16.23.0–2.16.23.255256
2.16.24.0/232.16.24.0–2.16.25.255512
2.16.27.0/242.16.27.0–2.16.27.255256
2.16.28.0/242.16.28.0–2.16.28.255256
2.16.29.0/242.16.29.0–2.16.29.255256
2.16.34.0/242.16.34.0–2.16.34.255256
2.16.41.0/242.16.41.0–2.16.41.255256
2.16.45.0/242.16.45.0–2.16.45.255256
2.16.48.0/242.16.48.0–2.16.48.255256
2.16.50.0/232.16.50.0–2.16.51.255512
2.16.52.0/242.16.52.0–2.16.52.255256
2.16.54.0/242.16.54.0–2.16.54.255256
2.16.55.0/242.16.55.0–2.16.55.255256
2.16.56.0/242.16.56.0–2.16.56.255256
2.16.57.0/242.16.57.0–2.16.57.255256
2.16.60.0/232.16.60.0–2.16.61.255512
2.16.62.0/242.16.62.0–2.16.62.255256
2.16.63.0/242.16.63.0–2.16.63.255256
2.16.64.0/242.16.64.0–2.16.64.255256
2.16.65.0/242.16.65.0–2.16.65.255256
2.16.66.0/232.16.66.0–2.16.67.255512
2.16.72.0/232.16.72.0–2.16.73.255512
2.16.74.0/232.16.74.0–2.16.75.255512
2.16.76.0/242.16.76.0–2.16.76.255256
2.16.77.0/242.16.77.0–2.16.77.255256
2.16.78.0/242.16.78.0–2.16.78.255256
2.16.79.0/242.16.79.0–2.16.79.255256
2.16.80.0/232.16.80.0–2.16.81.255512
2.16.84.0/232.16.84.0–2.16.85.255512
2.16.88.0/242.16.88.0–2.16.88.255256
2.16.89.0/242.16.89.0–2.16.89.255256
2.16.92.0/242.16.92.0–2.16.92.255256
2.16.93.0/242.16.93.0–2.16.93.255256
2.16.96.0/222.16.96.0–2.16.99.2551,024
2.16.100.0/232.16.100.0–2.16.101.255512
2.16.103.0/242.16.103.0–2.16.103.255256
2.16.106.0/242.16.106.0–2.16.106.255256
2.16.107.0/242.16.107.0–2.16.107.255256
2.16.108.0/242.16.108.0–2.16.108.255256
2.16.109.0/242.16.109.0–2.16.109.255256
2.16.110.0/242.16.110.0–2.16.110.255256
2.16.111.0/242.16.111.0–2.16.111.255256
2.16.114.0/232.16.114.0–2.16.115.255512
2.16.116.0/242.16.116.0–2.16.116.255256
2.16.118.0/242.16.118.0–2.16.118.255256
2.16.119.0/242.16.119.0–2.16.119.255256
2.16.120.0/242.16.120.0–2.16.120.255256
2.16.121.0/242.16.121.0–2.16.121.255256
2.16.128.0/242.16.128.0–2.16.128.255256
2.16.129.0/242.16.129.0–2.16.129.255256
2.16.131.0/242.16.131.0–2.16.131.255256
2.16.132.0/232.16.132.0–2.16.133.255512
2.16.135.0/242.16.135.0–2.16.135.255256
2.16.136.0/242.16.136.0–2.16.136.255256
2.16.137.0/242.16.137.0–2.16.137.255256
2.16.138.0/232.16.138.0–2.16.139.255512
2.16.140.0/242.16.140.0–2.16.140.255256
2.16.141.0/242.16.141.0–2.16.141.255256
2.16.142.0/242.16.142.0–2.16.142.255256
2.16.143.0/242.16.143.0–2.16.143.255256
2.16.144.0/242.16.144.0–2.16.144.255256
2.16.145.0/242.16.145.0–2.16.145.255256
2.16.146.0/242.16.146.0–2.16.146.255256
2.16.147.0/242.16.147.0–2.16.147.255256
2.16.148.0/222.16.148.0–2.16.151.2551,024
2.16.152.0/242.16.152.0–2.16.152.255256
2.16.153.0/242.16.153.0–2.16.153.255256
2.16.154.0/242.16.154.0–2.16.154.255256
2.16.155.0/242.16.155.0–2.16.155.255256
2.16.156.0/232.16.156.0–2.16.157.255512
2.16.158.0/242.16.158.0–2.16.158.255256
2.16.159.0/242.16.159.0–2.16.159.255256
2.16.160.0/232.16.160.0–2.16.161.255512
2.16.162.0/242.16.162.0–2.16.162.255256
2.16.163.0/242.16.163.0–2.16.163.255256
2.16.164.0/242.16.164.0–2.16.164.255256
2.16.165.0/242.16.165.0–2.16.165.255256
2.16.166.0/242.16.166.0–2.16.166.255256
2.16.167.0/242.16.167.0–2.16.167.255256
2.16.168.0/242.16.168.0–2.16.168.255256
2.16.169.0/242.16.169.0–2.16.169.255256
2.16.170.0/242.16.170.0–2.16.170.255256
2.16.171.0/242.16.171.0–2.16.171.255256
2.16.172.0/242.16.172.0–2.16.172.255256
2.16.173.0/242.16.173.0–2.16.173.255256
2.16.180.0/242.16.180.0–2.16.180.255256
2.16.181.0/242.16.181.0–2.16.181.255256
2.16.182.0/242.16.182.0–2.16.182.255256
2.16.183.0/242.16.183.0–2.16.183.255256
2.16.186.0/242.16.186.0–2.16.186.255256
2.16.187.0/242.16.187.0–2.16.187.255256
2.16.196.0/242.16.196.0–2.16.196.255256
2.16.197.0/242.16.197.0–2.16.197.255256
2.16.198.0/242.16.198.0–2.16.198.255256
2.16.199.0/242.16.199.0–2.16.199.255256
2.16.200.0/242.16.200.0–2.16.200.255256
2.16.201.0/242.16.201.0–2.16.201.255256
2.16.202.0/242.16.202.0–2.16.202.255256
2.16.203.0/242.16.203.0–2.16.203.255256
2.16.204.0/242.16.204.0–2.16.204.255256
2.16.205.0/242.16.205.0–2.16.205.255256
2.16.206.0/242.16.206.0–2.16.206.255256
2.16.207.0/242.16.207.0–2.16.207.255256
2.16.216.0/222.16.216.0–2.16.219.2551,024
2.16.224.0/222.16.224.0–2.16.227.2551,024
2.16.228.0/222.16.228.0–2.16.231.2551,024
2.16.236.0/242.16.236.0–2.16.236.255256
2.16.237.0/242.16.237.0–2.16.237.255256
2.16.238.0/242.16.238.0–2.16.238.255256
2.16.239.0/242.16.239.0–2.16.239.255256
2.16.240.0/242.16.240.0–2.16.240.255256
2.16.241.0/242.16.241.0–2.16.241.255256
2.16.242.0/242.16.242.0–2.16.242.255256
2.16.243.0/242.16.243.0–2.16.243.255256
2.16.244.0/242.16.244.0–2.16.244.255256
2.16.245.0/242.16.245.0–2.16.245.255256
2.16.246.0/242.16.246.0–2.16.246.255256
2.16.247.0/242.16.247.0–2.16.247.255256
2.16.248.0/222.16.248.0–2.16.251.2551,024
2.16.252.0/222.16.252.0–2.16.255.2551,024
2.17.8.0/222.17.8.0–2.17.11.2551,024
2.17.12.0/232.17.12.0–2.17.13.255512
2.17.15.0/242.17.15.0–2.17.15.255256
2.17.20.0/232.17.20.0–2.17.21.255512
2.17.22.0/242.17.22.0–2.17.22.255256
2.17.23.0/242.17.23.0–2.17.23.255256
2.17.28.0/222.17.28.0–2.17.31.2551,024
2.17.32.0/232.17.32.0–2.17.33.255512
2.17.34.0/242.17.34.0–2.17.34.255256
2.17.35.0/242.17.35.0–2.17.35.255256
2.17.37.0/242.17.37.0–2.17.37.255256
2.17.38.0/242.17.38.0–2.17.38.255256
2.17.39.0/242.17.39.0–2.17.39.255256
2.17.40.0/242.17.40.0–2.17.40.255256
2.17.41.0/242.17.41.0–2.17.41.255256
2.17.42.0/242.17.42.0–2.17.42.255256
2.17.43.0/242.17.43.0–2.17.43.255256
2.17.44.0/242.17.44.0–2.17.44.255256
2.17.45.0/242.17.45.0–2.17.45.255256
2.17.47.0/242.17.47.0–2.17.47.255256
2.17.100.0/242.17.100.0–2.17.100.255256
2.17.101.0/242.17.101.0–2.17.101.255256
2.17.103.0/242.17.103.0–2.17.103.255256
2.17.104.0/242.17.104.0–2.17.104.255256
2.17.106.0/242.17.106.0–2.17.106.255256
2.17.107.0/242.17.107.0–2.17.107.255256
2.17.112.0/242.17.112.0–2.17.112.255256
2.17.113.0/242.17.113.0–2.17.113.255256
2.17.114.0/242.17.114.0–2.17.114.255256
2.17.132.0/222.17.132.0–2.17.135.2551,024
2.17.147.0/242.17.147.0–2.17.147.255256
2.17.156.0/222.17.156.0–2.17.159.2551,024
2.17.160.0/242.17.160.0–2.17.160.255256
2.17.161.0/242.17.161.0–2.17.161.255256
2.17.162.0/242.17.162.0–2.17.162.255256
2.17.163.0/242.17.163.0–2.17.163.255256
2.17.164.0/242.17.164.0–2.17.164.255256
2.17.165.0/242.17.165.0–2.17.165.255256
2.17.166.0/242.17.166.0–2.17.166.255256
2.17.167.0/242.17.167.0–2.17.167.255256
2.17.196.0/222.17.196.0–2.17.199.2551,024
2.17.200.0/242.17.200.0–2.17.200.255256
2.17.202.0/242.17.202.0–2.17.202.255256
2.17.203.0/242.17.203.0–2.17.203.255256
2.17.204.0/222.17.204.0–2.17.207.2551,024
2.17.209.0/242.17.209.0–2.17.209.255256
2.17.210.0/242.17.210.0–2.17.210.255256
2.17.211.0/242.17.211.0–2.17.211.255256
2.17.216.0/242.17.216.0–2.17.216.255256
2.17.217.0/242.17.217.0–2.17.217.255256
2.17.218.0/232.17.218.0–2.17.219.255512
2.17.236.0/222.17.236.0–2.17.239.2551,024
2.17.244.0/222.17.244.0–2.17.247.2551,024
2.17.250.0/242.17.250.0–2.17.250.255256
2.17.251.0/242.17.251.0–2.17.251.255256
2.17.252.0/222.17.252.0–2.17.255.2551,024
2.18.11.0/242.18.11.0–2.18.11.255256
2.18.18.0/232.18.18.0–2.18.19.255512
2.18.20.0/242.18.20.0–2.18.20.255256
2.18.21.0/242.18.21.0–2.18.21.255256
2.18.22.0/242.18.22.0–2.18.22.255256
2.18.23.0/242.18.23.0–2.18.23.255256
2.18.24.0/242.18.24.0–2.18.24.255256
2.18.26.0/242.18.26.0–2.18.26.255256
2.18.27.0/242.18.27.0–2.18.27.255256
2.18.28.0/242.18.28.0–2.18.28.255256
2.18.29.0/242.18.29.0–2.18.29.255256
2.18.30.0/242.18.30.0–2.18.30.255256
2.18.31.0/242.18.31.0–2.18.31.255256
2.18.40.0/242.18.40.0–2.18.40.255256
2.18.41.0/242.18.41.0–2.18.41.255256
2.18.42.0/242.18.42.0–2.18.42.255256
2.18.43.0/242.18.43.0–2.18.43.255256
2.18.44.0/222.18.44.0–2.18.47.2551,024
2.18.60.0/242.18.60.0–2.18.60.255256
2.18.61.0/242.18.61.0–2.18.61.255256
2.18.62.0/242.18.62.0–2.18.62.255256
2.18.63.0/242.18.63.0–2.18.63.255256
2.18.64.0/242.18.64.0–2.18.64.255256
2.18.66.0/242.18.66.0–2.18.66.255256
2.18.67.0/242.18.67.0–2.18.67.255256
2.18.76.0/242.18.76.0–2.18.76.255256
2.18.77.0/242.18.77.0–2.18.77.255256
2.18.78.0/242.18.78.0–2.18.78.255256
2.18.79.0/242.18.79.0–2.18.79.255256
2.18.84.0/222.18.84.0–2.18.87.2551,024
2.18.88.0/222.18.88.0–2.18.91.2551,024
2.18.92.0/242.18.92.0–2.18.92.255256
2.18.93.0/242.18.93.0–2.18.93.255256
2.18.95.0/242.18.95.0–2.18.95.255256
2.18.104.0/232.18.104.0–2.18.105.255512
2.18.106.0/232.18.106.0–2.18.107.255512
2.18.112.0/232.18.112.0–2.18.113.255512
2.18.114.0/232.18.114.0–2.18.115.255512
2.18.116.0/232.18.116.0–2.18.117.255512
2.18.118.0/232.18.118.0–2.18.119.255512
2.18.120.0/242.18.120.0–2.18.120.255256
2.18.121.0/242.18.121.0–2.18.121.255256
2.18.122.0/232.18.122.0–2.18.123.255512
2.18.124.0/232.18.124.0–2.18.125.255512
2.18.126.0/242.18.126.0–2.18.126.255256
2.18.127.0/242.18.127.0–2.18.127.255256
2.18.164.0/242.18.164.0–2.18.164.255256
2.18.165.0/242.18.165.0–2.18.165.255256
2.18.166.0/242.18.166.0–2.18.166.255256
2.18.167.0/242.18.167.0–2.18.167.255256
2.18.177.0/242.18.177.0–2.18.177.255256
2.18.178.0/242.18.178.0–2.18.178.255256
2.18.179.0/242.18.179.0–2.18.179.255256
2.18.180.0/242.18.180.0–2.18.180.255256
2.18.181.0/242.18.181.0–2.18.181.255256
2.18.182.0/242.18.182.0–2.18.182.255256
2.18.183.0/242.18.183.0–2.18.183.255256
2.18.184.0/222.18.184.0–2.18.187.2551,024
2.18.188.0/242.18.188.0–2.18.188.255256
2.18.190.0/242.18.190.0–2.18.190.255256
2.18.191.0/242.18.191.0–2.18.191.255256
2.18.204.0/242.18.204.0–2.18.204.255256
2.18.205.0/242.18.205.0–2.18.205.255256
2.18.206.0/232.18.206.0–2.18.207.255512
2.18.228.0/222.18.228.0–2.18.231.2551,024
2.18.240.0/242.18.240.0–2.18.240.255256
2.18.244.0/242.18.244.0–2.18.244.255256
2.18.245.0/242.18.245.0–2.18.245.255256
2.18.247.0/242.18.247.0–2.18.247.255256
2.18.248.0/242.18.248.0–2.18.248.255256
2.18.250.0/242.18.250.0–2.18.250.255256
2.18.251.0/242.18.251.0–2.18.251.255256
2.18.252.0/242.18.252.0–2.18.252.255256
2.18.253.0/242.18.253.0–2.18.253.255256
2.18.254.0/242.18.254.0–2.18.254.255256
2.18.255.0/242.18.255.0–2.18.255.255256
2.19.8.0/242.19.8.0–2.19.8.255256
2.19.9.0/242.19.9.0–2.19.9.255256
2.19.10.0/242.19.10.0–2.19.10.255256
2.19.11.0/242.19.11.0–2.19.11.255256
2.19.40.0/222.19.40.0–2.19.43.2551,024
2.19.49.0/242.19.49.0–2.19.49.255256
2.19.50.0/242.19.50.0–2.19.50.255256
2.19.51.0/242.19.51.0–2.19.51.255256
2.19.52.0/232.19.52.0–2.19.53.255512
2.19.54.0/242.19.54.0–2.19.54.255256
2.19.55.0/242.19.55.0–2.19.55.255256
2.19.80.0/242.19.80.0–2.19.80.255256
2.19.81.0/242.19.81.0–2.19.81.255256
2.19.82.0/242.19.82.0–2.19.82.255256
2.19.83.0/242.19.83.0–2.19.83.255256
2.19.88.0/222.19.88.0–2.19.91.2551,024
2.19.92.0/222.19.92.0–2.19.95.2551,024
2.19.96.0/232.19.96.0–2.19.97.255512
2.19.98.0/242.19.98.0–2.19.98.255256
2.19.99.0/242.19.99.0–2.19.99.255256
2.19.116.0/242.19.116.0–2.19.116.255256
2.19.117.0/242.19.117.0–2.19.117.255256
2.19.118.0/242.19.118.0–2.19.118.255256
2.19.119.0/242.19.119.0–2.19.119.255256
2.19.120.0/242.19.120.0–2.19.120.255256
2.19.121.0/242.19.121.0–2.19.121.255256
2.19.122.0/242.19.122.0–2.19.122.255256
2.19.123.0/242.19.123.0–2.19.123.255256
2.19.124.0/242.19.124.0–2.19.124.255256
2.19.125.0/242.19.125.0–2.19.125.255256
2.19.126.0/242.19.126.0–2.19.126.255256
2.19.127.0/242.19.127.0–2.19.127.255256
2.19.160.0/242.19.160.0–2.19.160.255256
2.19.161.0/242.19.161.0–2.19.161.255256
2.19.162.0/242.19.162.0–2.19.162.255256
2.19.163.0/242.19.163.0–2.19.163.255256
2.19.168.0/222.19.168.0–2.19.171.2551,024
2.19.172.0/242.19.172.0–2.19.172.255256
2.19.173.0/242.19.173.0–2.19.173.255256
2.19.174.0/242.19.174.0–2.19.174.255256
2.19.175.0/242.19.175.0–2.19.175.255256
2.19.176.0/242.19.176.0–2.19.176.255256
2.19.178.0/242.19.178.0–2.19.178.255256
2.19.182.0/242.19.182.0–2.19.182.255256
2.19.183.0/242.19.183.0–2.19.183.255256
2.19.184.0/242.19.184.0–2.19.184.255256
2.19.185.0/242.19.185.0–2.19.185.255256
2.19.186.0/242.19.186.0–2.19.186.255256
2.19.187.0/242.19.187.0–2.19.187.255256
2.19.192.0/242.19.192.0–2.19.192.255256
2.19.193.0/242.19.193.0–2.19.193.255256
2.19.194.0/232.19.194.0–2.19.195.255512
2.19.196.0/242.19.196.0–2.19.196.255256
2.19.197.0/242.19.197.0–2.19.197.255256
2.19.198.0/242.19.198.0–2.19.198.255256
2.19.199.0/242.19.199.0–2.19.199.255256
2.19.200.0/222.19.200.0–2.19.203.2551,024
2.19.204.0/222.19.204.0–2.19.207.2551,024
2.19.208.0/242.19.208.0–2.19.208.255256
2.19.209.0/242.19.209.0–2.19.209.255256
2.19.210.0/242.19.210.0–2.19.210.255256
2.19.211.0/242.19.211.0–2.19.211.255256
2.19.212.0/242.19.212.0–2.19.212.255256
2.19.213.0/242.19.213.0–2.19.213.255256
2.19.214.0/242.19.214.0–2.19.214.255256
2.19.215.0/242.19.215.0–2.19.215.255256
2.19.241.0/242.19.241.0–2.19.241.255256
2.19.242.0/242.19.242.0–2.19.242.255256
2.19.248.0/242.19.248.0–2.19.248.255256
2.19.249.0/242.19.249.0–2.19.249.255256
2.19.250.0/242.19.250.0–2.19.250.255256
2.19.251.0/242.19.251.0–2.19.251.255256
2.19.252.0/242.19.252.0–2.19.252.255256
2.19.253.0/242.19.253.0–2.19.253.255256
2.19.254.0/242.19.254.0–2.19.254.255256
2.19.255.0/242.19.255.0–2.19.255.255256
2.20.4.0/222.20.4.0–2.20.7.2551,024
2.20.8.0/222.20.8.0–2.20.11.2551,024
2.20.12.0/242.20.12.0–2.20.12.255256
2.20.13.0/242.20.13.0–2.20.13.255256
2.20.14.0/232.20.14.0–2.20.15.255512
2.20.28.0/222.20.28.0–2.20.31.2551,024
2.20.36.0/222.20.36.0–2.20.39.2551,024
2.20.40.0/222.20.40.0–2.20.43.2551,024
2.20.44.0/242.20.44.0–2.20.44.255256
2.20.45.0/242.20.45.0–2.20.45.255256
2.20.47.0/242.20.47.0–2.20.47.255256
2.20.49.0/242.20.49.0–2.20.49.255256
2.20.51.0/242.20.51.0–2.20.51.255256
2.20.60.0/222.20.60.0–2.20.63.2551,024
2.20.64.0/222.20.64.0–2.20.67.2551,024
2.20.68.0/242.20.68.0–2.20.68.255256
2.20.69.0/242.20.69.0–2.20.69.255256
2.20.70.0/242.20.70.0–2.20.70.255256
2.20.71.0/242.20.71.0–2.20.71.255256
2.20.88.0/222.20.88.0–2.20.91.2551,024
2.20.108.0/242.20.108.0–2.20.108.255256
2.20.111.0/242.20.111.0–2.20.111.255256
2.20.120.0/222.20.120.0–2.20.123.2551,024
2.20.132.0/242.20.132.0–2.20.132.255256
2.20.133.0/242.20.133.0–2.20.133.255256
2.20.134.0/232.20.134.0–2.20.135.255512
2.20.136.0/242.20.136.0–2.20.136.255256
2.20.137.0/242.20.137.0–2.20.137.255256
2.20.138.0/242.20.138.0–2.20.138.255256
2.20.139.0/242.20.139.0–2.20.139.255256
2.20.142.0/232.20.142.0–2.20.143.255512
2.20.144.0/222.20.144.0–2.20.147.2551,024
2.20.148.0/222.20.148.0–2.20.151.2551,024
2.20.172.0/222.20.172.0–2.20.175.2551,024
2.20.176.0/242.20.176.0–2.20.176.255256
2.20.177.0/242.20.177.0–2.20.177.255256
2.20.178.0/242.20.178.0–2.20.178.255256
2.20.179.0/242.20.179.0–2.20.179.255256
2.20.180.0/242.20.180.0–2.20.180.255256
2.20.181.0/242.20.181.0–2.20.181.255256
2.20.182.0/242.20.182.0–2.20.182.255256
2.20.183.0/242.20.183.0–2.20.183.255256
2.20.185.0/242.20.185.0–2.20.185.255256
2.20.186.0/242.20.186.0–2.20.186.255256
2.20.187.0/242.20.187.0–2.20.187.255256
2.20.188.0/222.20.188.0–2.20.191.2551,024
2.20.196.0/242.20.196.0–2.20.196.255256
2.20.197.0/242.20.197.0–2.20.197.255256
2.20.198.0/242.20.198.0–2.20.198.255256
2.20.199.0/242.20.199.0–2.20.199.255256
2.20.228.0/222.20.228.0–2.20.231.2551,024
2.20.243.0/242.20.243.0–2.20.243.255256
2.20.245.0/242.20.245.0–2.20.245.255256
2.20.247.0/242.20.247.0–2.20.247.255256
2.20.248.0/242.20.248.0–2.20.248.255256
2.20.250.0/242.20.250.0–2.20.250.255256
2.20.251.0/242.20.251.0–2.20.251.255256
2.20.252.0/242.20.252.0–2.20.252.255256
2.20.253.0/242.20.253.0–2.20.253.255256
2.20.254.0/232.20.254.0–2.20.255.255512
2.21.0.0/242.21.0.0–2.21.0.255256
2.21.1.0/242.21.1.0–2.21.1.255256
2.21.3.0/242.21.3.0–2.21.3.255256
2.21.4.0/242.21.4.0–2.21.4.255256
2.21.5.0/242.21.5.0–2.21.5.255256
2.21.6.0/242.21.6.0–2.21.6.255256
2.21.7.0/242.21.7.0–2.21.7.255256
2.21.8.0/242.21.8.0–2.21.8.255256
2.21.9.0/242.21.9.0–2.21.9.255256
2.21.10.0/242.21.10.0–2.21.10.255256
2.21.11.0/242.21.11.0–2.21.11.255256
2.21.13.0/242.21.13.0–2.21.13.255256
2.21.14.0/242.21.14.0–2.21.14.255256
2.21.15.0/242.21.15.0–2.21.15.255256
2.21.20.0/242.21.20.0–2.21.20.255256
2.21.21.0/242.21.21.0–2.21.21.255256
2.21.22.0/242.21.22.0–2.21.22.255256
2.21.23.0/242.21.23.0–2.21.23.255256
2.21.24.0/222.21.24.0–2.21.27.2551,024
2.21.33.0/242.21.33.0–2.21.33.255256
2.21.34.0/232.21.34.0–2.21.35.255512
2.21.40.0/222.21.40.0–2.21.43.2551,024
2.21.44.0/222.21.44.0–2.21.47.2551,024
2.21.64.0/242.21.64.0–2.21.64.255256
2.21.65.0/242.21.65.0–2.21.65.255256
2.21.66.0/242.21.66.0–2.21.66.255256
2.21.68.0/242.21.68.0–2.21.68.255256
2.21.69.0/242.21.69.0–2.21.69.255256
2.21.70.0/242.21.70.0–2.21.70.255256
2.21.71.0/242.21.71.0–2.21.71.255256
2.21.72.0/242.21.72.0–2.21.72.255256
2.21.73.0/242.21.73.0–2.21.73.255256
2.21.74.0/242.21.74.0–2.21.74.255256
2.21.75.0/242.21.75.0–2.21.75.255256
2.21.76.0/232.21.76.0–2.21.77.255512
2.21.78.0/232.21.78.0–2.21.79.255512
2.21.80.0/222.21.80.0–2.21.83.2551,024
2.21.88.0/242.21.88.0–2.21.88.255256
2.21.89.0/242.21.89.0–2.21.89.255256
2.21.90.0/232.21.90.0–2.21.91.255512
2.21.92.0/242.21.92.0–2.21.92.255256
2.21.93.0/242.21.93.0–2.21.93.255256
2.21.96.0/232.21.96.0–2.21.97.255512
2.21.98.0/242.21.98.0–2.21.98.255256
2.21.99.0/242.21.99.0–2.21.99.255256
2.21.108.0/242.21.108.0–2.21.108.255256
2.21.109.0/242.21.109.0–2.21.109.255256
2.21.110.0/242.21.110.0–2.21.110.255256
2.21.111.0/242.21.111.0–2.21.111.255256
2.21.133.0/242.21.133.0–2.21.133.255256
2.21.134.0/242.21.134.0–2.21.134.255256
2.21.135.0/242.21.135.0–2.21.135.255256
2.21.136.0/222.21.136.0–2.21.139.2551,024
2.21.140.0/242.21.140.0–2.21.140.255256
2.21.141.0/242.21.141.0–2.21.141.255256
2.21.142.0/242.21.142.0–2.21.142.255256
2.21.143.0/242.21.143.0–2.21.143.255256
2.21.173.0/242.21.173.0–2.21.173.255256
2.21.228.0/232.21.228.0–2.21.229.255512
2.21.237.0/242.21.237.0–2.21.237.255256
2.21.238.0/242.21.238.0–2.21.238.255256
2.21.239.0/242.21.239.0–2.21.239.255256
2.21.240.0/242.21.240.0–2.21.240.255256
2.21.241.0/242.21.241.0–2.21.241.255256
2.21.242.0/242.21.242.0–2.21.242.255256
2.21.243.0/242.21.243.0–2.21.243.255256
2.21.244.0/242.21.244.0–2.21.244.255256
2.21.245.0/242.21.245.0–2.21.245.255256
2.21.246.0/242.21.246.0–2.21.246.255256
2.21.247.0/242.21.247.0–2.21.247.255256
2.22.16.0/222.22.16.0–2.22.19.2551,024
2.22.20.0/242.22.20.0–2.22.20.255256
2.22.21.0/242.22.21.0–2.22.21.255256
2.22.22.0/232.22.22.0–2.22.23.255512
2.22.28.0/242.22.28.0–2.22.28.255256
2.22.30.0/242.22.30.0–2.22.30.255256
2.22.31.0/242.22.31.0–2.22.31.255256
2.22.32.0/222.22.32.0–2.22.35.2551,024
2.22.50.0/242.22.50.0–2.22.50.255256
2.22.52.0/242.22.52.0–2.22.52.255256
2.22.53.0/242.22.53.0–2.22.53.255256
2.22.54.0/242.22.54.0–2.22.54.255256
2.22.55.0/242.22.55.0–2.22.55.255256
2.22.61.0/242.22.61.0–2.22.61.255256
2.22.62.0/242.22.62.0–2.22.62.255256
2.22.88.0/242.22.88.0–2.22.88.255256
2.22.89.0/242.22.89.0–2.22.89.255256
2.22.90.0/242.22.90.0–2.22.90.255256
2.22.91.0/242.22.91.0–2.22.91.255256
2.22.116.0/222.22.116.0–2.22.119.2551,024
2.22.124.0/222.22.124.0–2.22.127.2551,024
2.22.144.0/242.22.144.0–2.22.144.255256
2.22.145.0/242.22.145.0–2.22.145.255256
2.22.146.0/242.22.146.0–2.22.146.255256
2.22.147.0/242.22.147.0–2.22.147.255256
2.22.148.0/242.22.148.0–2.22.148.255256
2.22.149.0/242.22.149.0–2.22.149.255256
2.22.150.0/242.22.150.0–2.22.150.255256

全3,945件のうち、先頭の500件を表示しています。全件のリストはTXT・CSVでダウンロードしてください。

Akamai のIPv6レンジ

Akamaiが広報するIPv6レンジ:CIDR、開始・終了IP、アドレス数
CIDR開始IP – 終了IPアドレス数
2001:418:1401:4::/642001:418:1401:4::–2001:418:1401:4:ffff:ffff:ffff:ffff264
2001:418:1401:7::/642001:418:1401:7::–2001:418:1401:7:ffff:ffff:ffff:ffff264
2001:418:1401:18::/642001:418:1401:18::–2001:418:1401:18:ffff:ffff:ffff:ffff264
2001:418:1401:21::/642001:418:1401:21::–2001:418:1401:21:ffff:ffff:ffff:ffff264
2001:418:1401:25::/642001:418:1401:25::–2001:418:1401:25:ffff:ffff:ffff:ffff264
2001:418:1401:6a::/642001:418:1401:6a::–2001:418:1401:6a:ffff:ffff:ffff:ffff264
2001:418:1401:71::/642001:418:1401:71::–2001:418:1401:71:ffff:ffff:ffff:ffff264
2001:418:1401:7d::/642001:418:1401:7d::–2001:418:1401:7d:ffff:ffff:ffff:ffff264
2001:418:4001:2::/642001:418:4001:2::–2001:418:4001:2:ffff:ffff:ffff:ffff264
2001:418:4001:4::/642001:418:4001:4::–2001:418:4001:4:ffff:ffff:ffff:ffff264
2001:590:2005:200::/562001:590:2005:200::–2001:590:2005:2ff:ffff:ffff:ffff:ffff272
2001:668:108:400::/562001:668:108:400::–2001:668:108:4ff:ffff:ffff:ffff:ffff272
2001:c38:500a::/482001:c38:500a::–2001:c38:500a:ffff:ffff:ffff:ffff:ffff280
2001:4450:40::/482001:4450:40::–2001:4450:40:ffff:ffff:ffff:ffff:ffff280
2001:4457:ff0::/482001:4457:ff0::–2001:4457:ff0:ffff:ffff:ffff:ffff:ffff280
2001:4546:1003::/482001:4546:1003::–2001:4546:1003:ffff:ffff:ffff:ffff:ffff280
2401:fdc0:a000::/482401:fdc0:a000::–2401:fdc0:a000:ffff:ffff:ffff:ffff:ffff280
2403:c780:7203::/482403:c780:7203::–2403:c780:7203:ffff:ffff:ffff:ffff:ffff280
2404:c800:8203::/482404:c800:8203::–2404:c800:8203:ffff:ffff:ffff:ffff:ffff280
2405:2000:2c02::/482405:2000:2c02::–2405:2000:2c02:ffff:ffff:ffff:ffff:ffff280
2405:9600::/322405:9600::–2405:9600:ffff:ffff:ffff:ffff:ffff:ffff296
2600:1400::/242600:1400::–2600:14ff:ffff:ffff:ffff:ffff:ffff:ffff2104
2600:1400:800::/482600:1400:800::–2600:1400:800:ffff:ffff:ffff:ffff:ffff280
2600:1400:1800::/482600:1400:1800::–2600:1400:1800:ffff:ffff:ffff:ffff:ffff280
2600:1400:2800::/482600:1400:2800::–2600:1400:2800:ffff:ffff:ffff:ffff:ffff280
2600:1400:9000::/482600:1400:9000::–2600:1400:9000:ffff:ffff:ffff:ffff:ffff280
2600:1400:b000::/482600:1400:b000::–2600:1400:b000:ffff:ffff:ffff:ffff:ffff280
2600:1400:f000::/482600:1400:f000::–2600:1400:f000:ffff:ffff:ffff:ffff:ffff280
2600:1401:2000::/482600:1401:2000::–2600:1401:2000:ffff:ffff:ffff:ffff:ffff280
2600:1401:6000::/482600:1401:6000::–2600:1401:6000:ffff:ffff:ffff:ffff:ffff280
2600:1401:c000::/482600:1401:c000::–2600:1401:c000:ffff:ffff:ffff:ffff:ffff280
2600:1401:d000::/482600:1401:d000::–2600:1401:d000:ffff:ffff:ffff:ffff:ffff280
2600:1401:f000::/482600:1401:f000::–2600:1401:f000:ffff:ffff:ffff:ffff:ffff280
2600:1402:19::/482600:1402:19::–2600:1402:19:ffff:ffff:ffff:ffff:ffff280
2600:1402:400::/482600:1402:400::–2600:1402:400:ffff:ffff:ffff:ffff:ffff280
2600:1402:800::/482600:1402:800::–2600:1402:800:ffff:ffff:ffff:ffff:ffff280
2600:1402:1400::/482600:1402:1400::–2600:1402:1400:ffff:ffff:ffff:ffff:ffff280
2600:1402:1c00::/482600:1402:1c00::–2600:1402:1c00:ffff:ffff:ffff:ffff:ffff280
2600:1402:3000::/482600:1402:3000::–2600:1402:3000:ffff:ffff:ffff:ffff:ffff280
2600:1402:5000::/482600:1402:5000::–2600:1402:5000:ffff:ffff:ffff:ffff:ffff280
2600:1402:6800::/482600:1402:6800::–2600:1402:6800:ffff:ffff:ffff:ffff:ffff280
2600:1402:7800::/482600:1402:7800::–2600:1402:7800:ffff:ffff:ffff:ffff:ffff280
2600:1402:8000::/482600:1402:8000::–2600:1402:8000:ffff:ffff:ffff:ffff:ffff280
2600:1402:8800::/482600:1402:8800::–2600:1402:8800:ffff:ffff:ffff:ffff:ffff280
2600:1402:9800::/482600:1402:9800::–2600:1402:9800:ffff:ffff:ffff:ffff:ffff280
2600:1402:a800::/482600:1402:a800::–2600:1402:a800:ffff:ffff:ffff:ffff:ffff280
2600:1402:b800::/482600:1402:b800::–2600:1402:b800:ffff:ffff:ffff:ffff:ffff280
2600:1402:c000::/482600:1402:c000::–2600:1402:c000:ffff:ffff:ffff:ffff:ffff280
2600:1402:c800::/482600:1402:c800::–2600:1402:c800:ffff:ffff:ffff:ffff:ffff280
2600:1402:d800::/482600:1402:d800::–2600:1402:d800:ffff:ffff:ffff:ffff:ffff280
2600:1402:f000::/482600:1402:f000::–2600:1402:f000:ffff:ffff:ffff:ffff:ffff280
2600:1403:4000::/482600:1403:4000::–2600:1403:4000:ffff:ffff:ffff:ffff:ffff280
2600:1403:5400::/482600:1403:5400::–2600:1403:5400:ffff:ffff:ffff:ffff:ffff280
2600:1403:9400::/482600:1403:9400::–2600:1403:9400:ffff:ffff:ffff:ffff:ffff280
2600:1403:9c00::/482600:1403:9c00::–2600:1403:9c00:ffff:ffff:ffff:ffff:ffff280
2600:1403:a400::/482600:1403:a400::–2600:1403:a400:ffff:ffff:ffff:ffff:ffff280
2600:1403:ac00::/482600:1403:ac00::–2600:1403:ac00:ffff:ffff:ffff:ffff:ffff280
2600:1403:c400::/482600:1403:c400::–2600:1403:c400:ffff:ffff:ffff:ffff:ffff280
2600:1403:cc00::/482600:1403:cc00::–2600:1403:cc00:ffff:ffff:ffff:ffff:ffff280
2600:1403:d400::/482600:1403:d400::–2600:1403:d400:ffff:ffff:ffff:ffff:ffff280
2600:1403:dc00::/482600:1403:dc00::–2600:1403:dc00:ffff:ffff:ffff:ffff:ffff280
2600:1404:27::/482600:1404:27::–2600:1404:27:ffff:ffff:ffff:ffff:ffff280
2600:1404:200::/482600:1404:200::–2600:1404:200:ffff:ffff:ffff:ffff:ffff280
2600:1404:600::/482600:1404:600::–2600:1404:600:ffff:ffff:ffff:ffff:ffff280
2600:1404:a00::/482600:1404:a00::–2600:1404:a00:ffff:ffff:ffff:ffff:ffff280
2600:1404:e00::/482600:1404:e00::–2600:1404:e00:ffff:ffff:ffff:ffff:ffff280
2600:1404:1200::/482600:1404:1200::–2600:1404:1200:ffff:ffff:ffff:ffff:ffff280
2600:1404:1400::/482600:1404:1400::–2600:1404:1400:ffff:ffff:ffff:ffff:ffff280
2600:1404:1600::/482600:1404:1600::–2600:1404:1600:ffff:ffff:ffff:ffff:ffff280
2600:1404:1800::/482600:1404:1800::–2600:1404:1800:ffff:ffff:ffff:ffff:ffff280
2600:1404:2e00::/482600:1404:2e00::–2600:1404:2e00:ffff:ffff:ffff:ffff:ffff280
2600:1404:5c00::/482600:1404:5c00::–2600:1404:5c00:ffff:ffff:ffff:ffff:ffff280
2600:1404:6400::/482600:1404:6400::–2600:1404:6400:ffff:ffff:ffff:ffff:ffff280
2600:1404:6c00::/482600:1404:6c00::–2600:1404:6c00:ffff:ffff:ffff:ffff:ffff280
2600:1404:8400::/482600:1404:8400::–2600:1404:8400:ffff:ffff:ffff:ffff:ffff280
2600:1404:b400::/482600:1404:b400::–2600:1404:b400:ffff:ffff:ffff:ffff:ffff280
2600:1404:cc00::/482600:1404:cc00::–2600:1404:cc00:ffff:ffff:ffff:ffff:ffff280
2600:1404:e400::/482600:1404:e400::–2600:1404:e400:ffff:ffff:ffff:ffff:ffff280
2600:1404:ec00::/482600:1404:ec00::–2600:1404:ec00:ffff:ffff:ffff:ffff:ffff280
2600:1404:f400::/482600:1404:f400::–2600:1404:f400:ffff:ffff:ffff:ffff:ffff280
2600:1404:fc00::/482600:1404:fc00::–2600:1404:fc00:ffff:ffff:ffff:ffff:ffff280
2600:1405:401::/482600:1405:401::–2600:1405:401:ffff:ffff:ffff:ffff:ffff280
2600:1405:801::/482600:1405:801::–2600:1405:801:ffff:ffff:ffff:ffff:ffff280
2600:1405:1000::/482600:1405:1000::–2600:1405:1000:ffff:ffff:ffff:ffff:ffff280
2600:1405:6400::/482600:1405:6400::–2600:1405:6400:ffff:ffff:ffff:ffff:ffff280
2600:1405:6c00::/482600:1405:6c00::–2600:1405:6c00:ffff:ffff:ffff:ffff:ffff280
2600:1405:7400::/482600:1405:7400::–2600:1405:7400:ffff:ffff:ffff:ffff:ffff280
2600:1405:7c00::/482600:1405:7c00::–2600:1405:7c00:ffff:ffff:ffff:ffff:ffff280
2600:1405:8400::/482600:1405:8400::–2600:1405:8400:ffff:ffff:ffff:ffff:ffff280
2600:1405:8c00::/482600:1405:8c00::–2600:1405:8c00:ffff:ffff:ffff:ffff:ffff280
2600:1405:9000::/482600:1405:9000::–2600:1405:9000:ffff:ffff:ffff:ffff:ffff280
2600:1405:a000::/482600:1405:a000::–2600:1405:a000:ffff:ffff:ffff:ffff:ffff280
2600:1405:b000::/482600:1405:b000::–2600:1405:b000:ffff:ffff:ffff:ffff:ffff280
2600:1405:b400::/482600:1405:b400::–2600:1405:b400:ffff:ffff:ffff:ffff:ffff280
2600:1405:bc00::/482600:1405:bc00::–2600:1405:bc00:ffff:ffff:ffff:ffff:ffff280
2600:1405:d000::/482600:1405:d000::–2600:1405:d000:ffff:ffff:ffff:ffff:ffff280
2600:1405:d400::/482600:1405:d400::–2600:1405:d400:ffff:ffff:ffff:ffff:ffff280
2600:1405:dc00::/482600:1405:dc00::–2600:1405:dc00:ffff:ffff:ffff:ffff:ffff280
2600:1405:e000::/482600:1405:e000::–2600:1405:e000:ffff:ffff:ffff:ffff:ffff280
2600:1405:e400::/482600:1405:e400::–2600:1405:e400:ffff:ffff:ffff:ffff:ffff280

全772件のうち、先頭の100件を表示しています。全件のリストはTXT・CSVでダウンロードしてください。

Akamai のIPレンジデータについて

  • ASNと保有組織

    AkamaiはAS20940からプレフィックスを広報しています。レジストリ上の保有組織:AS20940 (AKAMAI-ASN1 Akamai International B.V.)。

  • リストに含まれるもの

    これらのASNが公開BGPルーティングテーブルで広報しているプレフィックス(RIPEstat経由で取得)で、隣り合うブロックは統合していません。アドレスの所有記録ではないため、顧客が持ち込んだプレフィックスや貸し出しているアドレスが含まれたり、ごく少数の接続先にしか見えない経路が含まれなかったりすることがあります。取得日:2026-11-02。

  • 主な用途

    ファイアウォール、WAF、nginxでAkamaiからの通信を許可・遮断する、ログの送信元IPをネットワーク別に分類する、CIDR照合であるIPがAkamaiのものか判定する、といった使い方です。クラウドや通信事業者のアドレスでは顧客のサービスも動いているため、ネットワーク全体を遮断すると無関係なサイトまで巻き込むことがあります。

Akamai のIPレンジリストの使い方

  1. まず上の表を確認します。IPv4とIPv6が別の表になっていて、各行にCIDR、開始IP – 終了IP、アドレス数が載っています。
  2. 「TXTをダウンロード」または「CSVをダウンロード」で全件のリストを取得します。ページに表示した先頭の行だけでなく、全4,717件が入っています。
  3. TXTを1つのアドレスセットとして、ファイアウォール、ルーター、ipsetに取り込むか、CIDRをクラウドのセキュリティグループのルールに貼り付けます。
  4. 本番で使う前にスナップショット日(2026-11-02)を確認してください。クラウドのレンジは変更が多いので、事業者が公開している公式のレンジファイルとも照らし合わせます。

Akamai のIPレンジに関するよくある質問

AkamaiのIPレンジはいくつありますか?

2026-11-02時点で、AkamaiはAS20940から、公開BGPルーティングテーブルに3,945件のIPv4プレフィックス(合計13,880,000アドレス)と772件のIPv6プレフィックスを広報しています。

AkamaiのASNは何ですか?

AkamaiはAS20940を使っています。レジストリ上の保有組織:AS20940 (AKAMAI-ASN1 Akamai International B.V.)。大きな組織はASNを複数持つことが多く、このページでは確認できたものをまとめています。

AkamaiのIPレンジをファイアウォールの許可リスト・拒否リストに使うには?

TXTファイル(1行1CIDR)をダウンロードし、ipset、nftables、nginxのallow/denyの設定、ルーターのアドレスリスト、クラウドのセキュリティグループに取り込みます。4,717件は1件ずつルールにせず、1つのアドレスセットとして取り込むのがおすすめです。Akamaiのアドレスでは顧客のサービスも動いているため、全体を遮断すると無関係なサイトにも影響します。

AkamaiのIPレンジはどのくらいの頻度で更新されますか?

このリストは2026-11-02のスナップショットで、おおよそ週に1回、公開BGP情報(RIPEstat)から作り直します。経路の広報は毎日変わるため、本番で使う前に再ダウンロードしてください。クラウド事業者の場合は、公式に公開されているレンジファイルとも照らし合わせてください。

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