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IPレンジ

NTT のIPレンジ一覧

NTT(AS2914)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。

NTTはAS2914から、1,690件のIPv4プレフィックス(合計6,694,656アドレス)と10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。

ASNAS2914
IPv4プレフィックス数1,690
IPv4アドレス総数6,694,656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10
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1,700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。

NTT のIPv4レンジ

NTT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
2.27.158.0/242.27.158.0–2.27.158.255256
5.158.208.0/215.158.208.0–5.158.215.2552,048
5.182.28.0/225.182.28.0–5.182.31.2551,024
13.141.112.0/2313.141.112.0–13.141.113.255512
13.141.114.0/2313.141.114.0–13.141.115.255512
13.141.116.0/2313.141.116.0–13.141.117.255512
13.141.118.0/2313.141.118.0–13.141.119.255512
14.137.231.0/2414.137.231.0–14.137.231.255256
14.137.232.0/2414.137.232.0–14.137.232.255256
14.137.233.0/2414.137.233.0–14.137.233.255256
14.137.234.0/2414.137.234.0–14.137.234.255256
14.137.236.0/2414.137.236.0–14.137.236.255256
14.137.240.0/2414.137.240.0–14.137.240.255256
16.216.6.0/2416.216.6.0–16.216.6.255256
16.216.7.0/2416.216.7.0–16.216.7.255256
16.216.9.0/2416.216.9.0–16.216.9.255256
16.216.13.0/2416.216.13.0–16.216.13.255256
16.216.14.0/2416.216.14.0–16.216.14.255256
16.216.15.0/2416.216.15.0–16.216.15.255256
16.216.16.0/2416.216.16.0–16.216.16.255256
16.216.17.0/2416.216.17.0–16.216.17.255256
16.216.18.0/2416.216.18.0–16.216.18.255256
16.216.20.0/2416.216.20.0–16.216.20.255256
16.216.21.0/2416.216.21.0–16.216.21.255256
16.216.24.0/2416.216.24.0–16.216.24.255256
16.216.25.0/2416.216.25.0–16.216.25.255256
23.26.72.0/2423.26.72.0–23.26.72.255256
23.26.238.0/2423.26.238.0–23.26.238.255256
23.27.241.0/2423.27.241.0–23.27.241.255256
23.133.28.0/2423.133.28.0–23.133.28.255256
23.133.116.0/2423.133.116.0–23.133.116.255256
23.133.156.0/2423.133.156.0–23.133.156.255256
23.133.164.0/2423.133.164.0–23.133.164.255256
23.133.228.0/2423.133.228.0–23.133.228.255256
23.133.236.0/2423.133.236.0–23.133.236.255256
23.134.28.0/2423.134.28.0–23.134.28.255256
23.134.36.0/2423.134.36.0–23.134.36.255256
23.134.60.0/2423.134.60.0–23.134.60.255256
23.134.68.0/2423.134.68.0–23.134.68.255256
23.134.172.0/2423.134.172.0–23.134.172.255256
23.134.196.0/2423.134.196.0–23.134.196.255256
23.134.228.0/2423.134.228.0–23.134.228.255256
23.134.236.0/2423.134.236.0–23.134.236.255256
23.135.4.0/2423.135.4.0–23.135.4.255256
23.135.44.0/2423.135.44.0–23.135.44.255256
23.135.60.0/2423.135.60.0–23.135.60.255256
23.135.76.0/2423.135.76.0–23.135.76.255256
23.135.84.0/2423.135.84.0–23.135.84.255256
23.149.92.0/2423.149.92.0–23.149.92.255256
23.231.1.0/2423.231.1.0–23.231.1.255256
23.231.2.0/2423.231.2.0–23.231.2.255256
23.231.3.0/2423.231.3.0–23.231.3.255256
27.50.96.0/1927.50.96.0–27.50.127.2558,192
27.110.64.0/2127.110.64.0–27.110.71.2552,048
31.56.154.0/2431.56.154.0–31.56.154.255256
31.56.158.0/2431.56.158.0–31.56.158.255256
31.56.159.0/2431.56.159.0–31.56.159.255256
31.56.168.0/2431.56.168.0–31.56.168.255256
31.56.169.0/2431.56.169.0–31.56.169.255256
31.56.170.0/2431.56.170.0–31.56.170.255256
31.56.171.0/2431.56.171.0–31.56.171.255256
31.56.174.0/2431.56.174.0–31.56.174.255256
31.56.175.0/2431.56.175.0–31.56.175.255256
31.57.115.0/2431.57.115.0–31.57.115.255256
31.58.34.0/2331.58.34.0–31.58.35.255512
31.193.240.0/2231.193.240.0–31.193.243.2551,024
31.193.244.0/2231.193.244.0–31.193.247.2551,024
31.222.208.0/2231.222.208.0–31.222.211.2551,024
31.222.212.0/2231.222.212.0–31.222.215.2551,024
36.50.32.0/2436.50.32.0–36.50.32.255256
36.50.33.0/2436.50.33.0–36.50.33.255256
37.34.80.0/2137.34.80.0–37.34.87.2552,048
40.27.48.0/2440.27.48.0–40.27.48.255256
40.27.49.0/2440.27.49.0–40.27.49.255256
40.27.50.0/2440.27.50.0–40.27.50.255256
40.27.52.0/2440.27.52.0–40.27.52.255256
40.27.53.0/2440.27.53.0–40.27.53.255256
40.27.54.0/2440.27.54.0–40.27.54.255256
40.27.133.0/2440.27.133.0–40.27.133.255256
43.230.54.0/2443.230.54.0–43.230.54.255256
43.231.184.0/2443.231.184.0–43.231.184.255256
43.231.186.0/2443.231.186.0–43.231.186.255256
43.231.187.0/2443.231.187.0–43.231.187.255256
43.231.189.0/2443.231.189.0–43.231.189.255256
43.231.190.0/2443.231.190.0–43.231.190.255256
43.231.191.0/2443.231.191.0–43.231.191.255256
43.246.128.0/2443.246.128.0–43.246.128.255256
43.246.130.0/2443.246.130.0–43.246.130.255256
43.246.131.0/2443.246.131.0–43.246.131.255256
43.246.196.0/2443.246.196.0–43.246.196.255256
43.246.197.0/2443.246.197.0–43.246.197.255256
43.246.199.0/2443.246.199.0–43.246.199.255256
43.249.242.0/2443.249.242.0–43.249.242.255256
43.250.88.0/2443.250.88.0–43.250.88.255256
43.250.91.0/2443.250.91.0–43.250.91.255256
43.251.184.0/2443.251.184.0–43.251.184.255256
43.251.185.0/2443.251.185.0–43.251.185.255256
43.251.186.0/2443.251.186.0–43.251.186.255256
45.15.98.0/2445.15.98.0–45.15.98.255256
45.39.214.0/2445.39.214.0–45.39.214.255256
45.67.117.0/2445.67.117.0–45.67.117.255256
45.85.204.0/2245.85.204.0–45.85.207.2551,024
45.88.146.0/2345.88.146.0–45.88.147.255512
45.124.61.0/2445.124.61.0–45.124.61.255256
45.143.8.0/2445.143.8.0–45.143.8.255256
45.145.176.0/2245.145.176.0–45.145.179.2551,024
45.146.114.0/2445.146.114.0–45.146.114.255256
45.149.6.0/2445.149.6.0–45.149.6.255256
45.192.160.0/2445.192.160.0–45.192.160.255256
45.192.161.0/2445.192.161.0–45.192.161.255256
45.192.163.0/2445.192.163.0–45.192.163.255256
45.192.172.0/2445.192.172.0–45.192.172.255256
45.192.175.0/2445.192.175.0–45.192.175.255256
45.192.181.0/2445.192.181.0–45.192.181.255256
45.192.182.0/2445.192.182.0–45.192.182.255256
45.192.187.0/2445.192.187.0–45.192.187.255256
45.192.188.0/2445.192.188.0–45.192.188.255256
45.192.189.0/2445.192.189.0–45.192.189.255256
45.192.190.0/2445.192.190.0–45.192.190.255256
45.192.244.0/2445.192.244.0–45.192.244.255256
45.195.244.0/2345.195.244.0–45.195.245.255512
45.201.12.0/2245.201.12.0–45.201.15.2551,024
45.202.112.0/2445.202.112.0–45.202.112.255256
45.204.149.0/2445.204.149.0–45.204.149.255256
45.204.150.0/2445.204.150.0–45.204.150.255256
45.204.151.0/2445.204.151.0–45.204.151.255256
45.237.171.0/2445.237.171.0–45.237.171.255256
46.20.98.0/2446.20.98.0–46.20.98.255256
46.202.35.0/2446.202.35.0–46.202.35.255256
46.202.53.0/2446.202.53.0–46.202.53.255256
46.203.148.0/2446.203.148.0–46.203.148.255256
46.203.176.0/2446.203.176.0–46.203.176.255256
46.203.178.0/2446.203.178.0–46.203.178.255256
46.203.197.0/2446.203.197.0–46.203.197.255256
46.203.205.0/2446.203.205.0–46.203.205.255256
46.203.223.0/2446.203.223.0–46.203.223.255256
46.203.225.0/2446.203.225.0–46.203.225.255256
49.0.176.0/2449.0.176.0–49.0.176.255256
49.0.177.0/2449.0.177.0–49.0.177.255256
49.0.178.0/2449.0.178.0–49.0.178.255256
49.0.179.0/2449.0.179.0–49.0.179.255256
49.0.180.0/2449.0.180.0–49.0.180.255256
49.0.181.0/2449.0.181.0–49.0.181.255256
49.0.182.0/2449.0.182.0–49.0.182.255256
49.0.183.0/2449.0.183.0–49.0.183.255256
50.2.4.0/2450.2.4.0–50.2.4.255256
50.2.7.0/2450.2.7.0–50.2.7.255256
50.2.28.0/2450.2.28.0–50.2.28.255256
50.2.56.0/2450.2.56.0–50.2.56.255256
50.2.57.0/2450.2.57.0–50.2.57.255256
50.2.71.0/2450.2.71.0–50.2.71.255256
50.2.106.0/2450.2.106.0–50.2.106.255256
50.2.164.0/2450.2.164.0–50.2.164.255256
50.2.165.0/2450.2.165.0–50.2.165.255256
50.2.181.0/2450.2.181.0–50.2.181.255256
50.2.182.0/2450.2.182.0–50.2.182.255256
50.2.208.0/2450.2.208.0–50.2.208.255256
50.2.209.0/2450.2.209.0–50.2.209.255256
50.2.210.0/2450.2.210.0–50.2.210.255256
50.2.211.0/2450.2.211.0–50.2.211.255256
50.3.2.0/2450.3.2.0–50.3.2.255256
50.3.3.0/2450.3.3.0–50.3.3.255256
50.3.54.0/2350.3.54.0–50.3.55.255512
50.3.64.0/2350.3.64.0–50.3.65.255512
50.3.96.0/2350.3.96.0–50.3.97.255512
50.3.118.0/2450.3.118.0–50.3.118.255256
50.3.119.0/2450.3.119.0–50.3.119.255256
50.3.169.0/2450.3.169.0–50.3.169.255256
50.3.190.0/2450.3.190.0–50.3.190.255256
50.3.209.0/2450.3.209.0–50.3.209.255256
50.20.224.0/2150.20.224.0–50.20.231.2552,048
50.31.236.0/2450.31.236.0–50.31.236.255256
50.114.26.0/2350.114.26.0–50.114.27.255512
50.114.103.0/2450.114.103.0–50.114.103.255256
50.114.162.0/2450.114.162.0–50.114.162.255256
50.114.171.0/2450.114.171.0–50.114.171.255256
50.114.175.0/2450.114.175.0–50.114.175.255256
50.114.186.0/2450.114.186.0–50.114.186.255256
50.114.191.0/2450.114.191.0–50.114.191.255256
51.194.148.0/2251.194.148.0–51.194.151.2551,024
51.241.100.0/2251.241.100.0–51.241.103.2551,024
51.241.156.0/2451.241.156.0–51.241.156.255256
51.241.157.0/2451.241.157.0–51.241.157.255256
51.241.158.0/2451.241.158.0–51.241.158.255256
51.241.236.0/2251.241.236.0–51.241.239.2551,024
61.15.209.0/2461.15.209.0–61.15.209.255256
61.15.216.0/2461.15.216.0–61.15.216.255256
61.15.223.0/2461.15.223.0–61.15.223.255256
61.15.226.0/2461.15.226.0–61.15.226.255256
61.58.32.0/2061.58.32.0–61.58.47.2554,096
61.120.144.0/2061.120.144.0–61.120.159.2554,096
61.124.32.0/2461.124.32.0–61.124.32.255256
61.124.33.0/2461.124.33.0–61.124.33.255256
61.124.34.0/2461.124.34.0–61.124.34.255256
61.124.35.0/2461.124.35.0–61.124.35.255256
61.124.36.0/2461.124.36.0–61.124.36.255256
61.124.37.0/2461.124.37.0–61.124.37.255256
61.124.38.0/2461.124.38.0–61.124.38.255256
61.124.39.0/2461.124.39.0–61.124.39.255256
61.124.40.0/2461.124.40.0–61.124.40.255256
61.124.41.0/2461.124.41.0–61.124.41.255256
61.200.80.0/2061.200.80.0–61.200.95.2554,096
61.213.144.0/2061.213.144.0–61.213.159.2554,096
61.213.160.0/1961.213.160.0–61.213.191.2558,192
61.251.96.0/2061.251.96.0–61.251.111.2554,096
62.73.160.0/1962.73.160.0–62.73.191.2558,192
62.84.248.0/2162.84.248.0–62.84.255.2552,048
64.8.248.0/2464.8.248.0–64.8.248.255256
64.8.249.0/2464.8.249.0–64.8.249.255256
64.8.250.0/2464.8.250.0–64.8.250.255256
64.8.251.0/2464.8.251.0–64.8.251.255256
64.8.252.0/2464.8.252.0–64.8.252.255256
64.8.253.0/2464.8.253.0–64.8.253.255256
64.32.149.0/2464.32.149.0–64.32.149.255256
64.32.163.0/2464.32.163.0–64.32.163.255256
64.32.179.0/2464.32.179.0–64.32.179.255256
64.32.180.0/2264.32.180.0–64.32.183.2551,024
64.32.184.0/2264.32.184.0–64.32.187.2551,024
64.74.118.0/2464.74.118.0–64.74.118.255256
64.74.197.0/2464.74.197.0–64.74.197.255256
64.81.182.0/2464.81.182.0–64.81.182.255256
64.93.24.0/2464.93.24.0–64.93.24.255256
64.93.25.0/2464.93.25.0–64.93.25.255256
64.93.26.0/2464.93.26.0–64.93.26.255256
64.93.27.0/2464.93.27.0–64.93.27.255256
64.93.28.0/2464.93.28.0–64.93.28.255256
64.93.29.0/2464.93.29.0–64.93.29.255256
64.93.30.0/2464.93.30.0–64.93.30.255256
64.93.31.0/2464.93.31.0–64.93.31.255256
64.95.48.0/2464.95.48.0–64.95.48.255256
64.95.148.0/2464.95.148.0–64.95.148.255256
64.137.52.0/2364.137.52.0–64.137.53.255512
64.139.0.0/2264.139.0.0–64.139.3.2551,024
64.139.9.0/2464.139.9.0–64.139.9.255256
64.139.12.0/2464.139.12.0–64.139.12.255256
64.139.13.0/2464.139.13.0–64.139.13.255256
64.139.15.0/2464.139.15.0–64.139.15.255256
64.178.96.0/2064.178.96.0–64.178.111.2554,096
64.204.62.0/2464.204.62.0–64.204.62.255256
64.204.149.0/2464.204.149.0–64.204.149.255256
64.205.212.0/2264.205.212.0–64.205.215.2551,024
65.87.2.0/2465.87.2.0–65.87.2.255256
65.87.3.0/2465.87.3.0–65.87.3.255256
66.6.56.0/2266.6.56.0–66.6.59.2551,024
66.80.56.0/2266.80.56.0–66.80.59.2551,024
66.80.61.0/2466.80.61.0–66.80.61.255256
66.80.100.0/2266.80.100.0–66.80.103.2551,024
66.93.255.0/2466.93.255.0–66.93.255.255256
66.227.112.0/2266.227.112.0–66.227.115.2551,024
66.253.99.0/2466.253.99.0–66.253.99.255256
68.64.134.0/2468.64.134.0–68.64.134.255256
68.64.135.0/2468.64.135.0–68.64.135.255256
68.64.142.0/2468.64.142.0–68.64.142.255256
68.64.154.0/2468.64.154.0–68.64.154.255256
68.64.191.0/2468.64.191.0–68.64.191.255256
68.68.240.0/2268.68.240.0–68.68.243.2551,024
68.166.231.0/2468.166.231.0–68.166.231.255256
68.166.234.0/2468.166.234.0–68.166.234.255256
68.166.235.0/2468.166.235.0–68.166.235.255256
68.166.255.0/2468.166.255.0–68.166.255.255256
68.167.186.0/2368.167.186.0–68.167.187.255512
69.3.132.0/2269.3.132.0–69.3.135.2551,024
69.3.140.0/2469.3.140.0–69.3.140.255256
69.3.141.0/2469.3.141.0–69.3.141.255256
69.3.142.0/2469.3.142.0–69.3.142.255256
69.3.212.0/2469.3.212.0–69.3.212.255256
69.3.213.0/2469.3.213.0–69.3.213.255256
69.3.214.0/2469.3.214.0–69.3.214.255256
69.3.215.0/2469.3.215.0–69.3.215.255256
69.3.216.0/2269.3.216.0–69.3.219.2551,024
69.3.220.0/2269.3.220.0–69.3.223.2551,024
69.3.232.0/2469.3.232.0–69.3.232.255256
69.3.233.0/2469.3.233.0–69.3.233.255256
69.3.234.0/2469.3.234.0–69.3.234.255256
69.3.235.0/2469.3.235.0–69.3.235.255256
69.3.236.0/2469.3.236.0–69.3.236.255256
69.25.84.0/2369.25.84.0–69.25.85.255512
69.166.213.0/2469.166.213.0–69.166.213.255256
70.39.128.0/2470.39.128.0–70.39.128.255256
70.39.130.0/2470.39.130.0–70.39.130.255256
70.39.131.0/2470.39.131.0–70.39.131.255256
70.39.132.0/2470.39.132.0–70.39.132.255256
70.39.133.0/2470.39.133.0–70.39.133.255256
70.39.134.0/2470.39.134.0–70.39.134.255256
70.39.135.0/2470.39.135.0–70.39.135.255256
70.39.136.0/2470.39.136.0–70.39.136.255256
70.39.140.0/2470.39.140.0–70.39.140.255256
70.39.141.0/2470.39.141.0–70.39.141.255256
70.39.143.0/2470.39.143.0–70.39.143.255256
70.39.158.0/2470.39.158.0–70.39.158.255256
70.39.164.0/2470.39.164.0–70.39.164.255256
70.39.231.0/2470.39.231.0–70.39.231.255256
70.39.241.0/2470.39.241.0–70.39.241.255256
70.39.252.0/2470.39.252.0–70.39.252.255256
72.9.164.0/2272.9.164.0–72.9.167.2551,024
72.9.172.0/2272.9.172.0–72.9.175.2551,024
72.9.176.0/2272.9.176.0–72.9.179.2551,024
72.9.184.0/2272.9.184.0–72.9.187.2551,024
72.9.188.0/2272.9.188.0–72.9.191.2551,024
72.9.225.0/2472.9.225.0–72.9.225.255256
72.13.241.0/2472.13.241.0–72.13.241.255256
72.22.96.0/2272.22.96.0–72.22.99.2551,024
72.244.109.0/2472.244.109.0–72.244.109.255256
72.244.111.0/2472.244.111.0–72.244.111.255256
72.244.212.0/2472.244.212.0–72.244.212.255256
72.244.240.0/2472.244.240.0–72.244.240.255256
72.244.246.0/2472.244.246.0–72.244.246.255256
72.244.248.0/2472.244.248.0–72.244.248.255256
72.245.128.0/2172.245.128.0–72.245.135.2552,048
72.245.136.0/2172.245.136.0–72.245.143.2552,048
72.245.144.0/2172.245.144.0–72.245.151.2552,048
72.245.152.0/2172.245.152.0–72.245.159.2552,048
74.2.230.0/2374.2.230.0–74.2.231.255512
74.211.234.0/2474.211.234.0–74.211.234.255256
78.231.0.0/1878.231.0.0–78.231.63.25516,384
78.231.64.0/1878.231.64.0–78.231.127.25516,384
78.231.128.0/1878.231.128.0–78.231.191.25516,384
78.231.192.0/1878.231.192.0–78.231.255.25516,384
78.235.32.0/1978.235.32.0–78.235.63.2558,192
78.235.64.0/1978.235.64.0–78.235.95.2558,192
78.235.96.0/1978.235.96.0–78.235.127.2558,192
78.235.128.0/1978.235.128.0–78.235.159.2558,192
78.235.160.0/1978.235.160.0–78.235.191.2558,192
78.235.192.0/1978.235.192.0–78.235.223.2558,192
78.235.224.0/1978.235.224.0–78.235.255.2558,192
79.132.180.0/2479.132.180.0–79.132.180.255256
79.132.181.0/2479.132.181.0–79.132.181.255256
79.132.183.0/2479.132.183.0–79.132.183.255256
79.132.188.0/2479.132.188.0–79.132.188.255256
79.132.190.0/2479.132.190.0–79.132.190.255256
79.135.141.0/2479.135.141.0–79.135.141.255256
79.182.53.0/2479.182.53.0–79.182.53.255256
79.182.59.0/2479.182.59.0–79.182.59.255256
79.182.65.0/2479.182.65.0–79.182.65.255256
79.182.73.0/2479.182.73.0–79.182.73.255256
79.182.74.0/2479.182.74.0–79.182.74.255256
79.182.78.0/2479.182.78.0–79.182.78.255256
79.182.127.0/2479.182.127.0–79.182.127.255256
79.182.129.0/2479.182.129.0–79.182.129.255256
79.182.241.0/2479.182.241.0–79.182.241.255256
79.183.91.0/2479.183.91.0–79.183.91.255256
80.46.192.0/2080.46.192.0–80.46.207.2554,096
80.46.208.0/2080.46.208.0–80.46.223.2554,096
80.81.47.0/2480.81.47.0–80.81.47.255256
80.97.54.0/2480.97.54.0–80.97.54.255256
80.174.0.0/2480.174.0.0–80.174.0.255256
80.174.1.0/2480.174.1.0–80.174.1.255256
80.174.144.0/2380.174.144.0–80.174.145.255512
80.174.248.0/2480.174.248.0–80.174.248.255256
80.224.192.0/2280.224.192.0–80.224.195.2551,024
80.224.240.0/2280.224.240.0–80.224.243.2551,024
81.19.96.0/2081.19.96.0–81.19.111.2554,096
81.20.64.0/2081.20.64.0–81.20.79.2554,096
81.25.192.0/2081.25.192.0–81.25.207.2554,096
81.93.176.0/2081.93.176.0–81.93.191.2554,096
81.93.208.0/2081.93.208.0–81.93.223.2554,096
81.180.173.0/2481.180.173.0–81.180.173.255256
81.181.172.0/2481.181.172.0–81.181.172.255256
81.181.175.0/2481.181.175.0–81.181.175.255256
81.181.236.0/2281.181.236.0–81.181.239.2551,024
82.21.98.0/2482.21.98.0–82.21.98.255256
82.21.99.0/2482.21.99.0–82.21.99.255256
82.26.139.0/2482.26.139.0–82.26.139.255256
82.26.143.0/2482.26.143.0–82.26.143.255256
82.26.144.0/2482.26.144.0–82.26.144.255256
82.29.48.0/2482.29.48.0–82.29.48.255256
82.38.12.0/2482.38.12.0–82.38.12.255256
82.38.62.0/2482.38.62.0–82.38.62.255256
82.38.93.0/2482.38.93.0–82.38.93.255256
82.38.94.0/2482.38.94.0–82.38.94.255256
82.38.95.0/2482.38.95.0–82.38.95.255256
82.38.98.0/2482.38.98.0–82.38.98.255256
82.38.113.0/2482.38.113.0–82.38.113.255256
82.38.120.0/2482.38.120.0–82.38.120.255256
82.38.131.0/2482.38.131.0–82.38.131.255256
82.38.144.0/2482.38.144.0–82.38.144.255256
82.38.145.0/2482.38.145.0–82.38.145.255256
82.38.146.0/2482.38.146.0–82.38.146.255256
82.38.151.0/2482.38.151.0–82.38.151.255256
82.38.169.0/2482.38.169.0–82.38.169.255256
82.38.172.0/2482.38.172.0–82.38.172.255256
82.38.175.0/2482.38.175.0–82.38.175.255256
82.38.181.0/2482.38.181.0–82.38.181.255256
82.39.164.0/2482.39.164.0–82.39.164.255256
82.47.30.0/2482.47.30.0–82.47.30.255256
82.47.40.0/2482.47.40.0–82.47.40.255256
82.47.43.0/2482.47.43.0–82.47.43.255256
82.47.44.0/2482.47.44.0–82.47.44.255256
82.47.53.0/2482.47.53.0–82.47.53.255256
82.47.107.0/2482.47.107.0–82.47.107.255256
82.47.110.0/2482.47.110.0–82.47.110.255256
82.47.111.0/2482.47.111.0–82.47.111.255256
82.47.113.0/2482.47.113.0–82.47.113.255256
82.47.116.0/2482.47.116.0–82.47.116.255256
82.47.118.0/2482.47.118.0–82.47.118.255256
82.47.119.0/2482.47.119.0–82.47.119.255256
82.47.122.0/2482.47.122.0–82.47.122.255256
82.47.135.0/2482.47.135.0–82.47.135.255256
82.47.151.0/2482.47.151.0–82.47.151.255256
82.47.156.0/2482.47.156.0–82.47.156.255256
82.47.163.0/2482.47.163.0–82.47.163.255256
82.47.173.0/2482.47.173.0–82.47.173.255256
82.47.178.0/2482.47.178.0–82.47.178.255256
82.47.183.0/2482.47.183.0–82.47.183.255256
82.47.209.0/2482.47.209.0–82.47.209.255256
82.47.210.0/2482.47.210.0–82.47.210.255256
82.47.213.0/2482.47.213.0–82.47.213.255256
82.47.215.0/2482.47.215.0–82.47.215.255256
82.47.223.0/2482.47.223.0–82.47.223.255256
82.47.248.0/2482.47.248.0–82.47.248.255256
82.112.96.0/1982.112.96.0–82.112.127.2558,192
82.198.241.0/2482.198.241.0–82.198.241.255256
82.198.244.0/2482.198.244.0–82.198.244.255256
82.198.245.0/2482.198.245.0–82.198.245.255256
82.198.248.0/2482.198.248.0–82.198.248.255256
83.217.224.0/1983.217.224.0–83.217.255.2558,192
83.223.131.0/2483.223.131.0–83.223.131.255256
83.223.138.0/2483.223.138.0–83.223.138.255256
83.223.140.0/2483.223.140.0–83.223.140.255256
83.223.152.0/2483.223.152.0–83.223.152.255256
83.223.156.0/2483.223.156.0–83.223.156.255256
83.223.158.0/2483.223.158.0–83.223.158.255256
83.231.128.0/1783.231.128.0–83.231.255.25532,768
84.75.128.0/2484.75.128.0–84.75.128.255256
84.75.136.0/2484.75.136.0–84.75.136.255256
84.75.137.0/2484.75.137.0–84.75.137.255256
84.75.146.0/2384.75.146.0–84.75.147.255512
84.75.163.0/2484.75.163.0–84.75.163.255256
84.75.167.0/2484.75.167.0–84.75.167.255256
84.75.173.0/2484.75.173.0–84.75.173.255256
84.75.184.0/2384.75.184.0–84.75.185.255512
84.75.186.0/2384.75.186.0–84.75.187.255512
84.75.208.0/2484.75.208.0–84.75.208.255256
84.75.244.0/2484.75.244.0–84.75.244.255256
84.75.245.0/2484.75.245.0–84.75.245.255256
84.232.28.0/2484.232.28.0–84.232.28.255256
84.236.196.0/2484.236.196.0–84.236.196.255256
85.11.163.0/2485.11.163.0–85.11.163.255256
85.11.180.0/2485.11.180.0–85.11.180.255256
85.120.128.0/2285.120.128.0–85.120.131.2551,024
85.120.132.0/2285.120.132.0–85.120.135.2551,024
85.122.176.0/2285.122.176.0–85.122.179.2551,024
85.234.170.0/2485.234.170.0–85.234.170.255256
85.234.171.0/2485.234.171.0–85.234.171.255256
85.234.172.0/2285.234.172.0–85.234.175.2551,024
85.234.176.0/2285.234.176.0–85.234.179.2551,024
85.239.145.0/2485.239.145.0–85.239.145.255256
85.254.14.0/2485.254.14.0–85.254.14.255256
85.254.41.0/2485.254.41.0–85.254.41.255256
85.254.46.0/2485.254.46.0–85.254.46.255256
86.104.25.0/2486.104.25.0–86.104.25.255256
86.105.159.0/2486.105.159.0–86.105.159.255256
86.107.63.0/2486.107.63.0–86.107.63.255256
87.76.170.0/2487.76.170.0–87.76.170.255256
87.76.208.0/2487.76.208.0–87.76.208.255256
87.76.210.0/2487.76.210.0–87.76.210.255256
87.84.77.0/2487.84.77.0–87.84.77.255256
87.84.216.0/2487.84.216.0–87.84.216.255256
87.84.217.0/2487.84.217.0–87.84.217.255256
87.84.238.0/2487.84.238.0–87.84.238.255256
87.246.8.0/2487.246.8.0–87.246.8.255256
87.246.9.0/2487.246.9.0–87.246.9.255256
87.246.10.0/2487.246.10.0–87.246.10.255256
87.246.11.0/2487.246.11.0–87.246.11.255256
88.148.24.0/2388.148.24.0–88.148.25.255512
88.148.29.0/2488.148.29.0–88.148.29.255256
88.148.54.0/2488.148.54.0–88.148.54.255256
88.148.56.0/2488.148.56.0–88.148.56.255256
88.148.60.0/2488.148.60.0–88.148.60.255256
88.148.61.0/2488.148.61.0–88.148.61.255256
88.148.84.0/2488.148.84.0–88.148.84.255256
88.223.176.0/2088.223.176.0–88.223.191.2554,096
88.223.180.0/2488.223.180.0–88.223.180.255256
88.223.183.0/2488.223.183.0–88.223.183.255256
88.223.189.0/2488.223.189.0–88.223.189.255256
88.223.190.0/2488.223.190.0–88.223.190.255256
88.223.191.0/2488.223.191.0–88.223.191.255256
88.223.208.0/2488.223.208.0–88.223.208.255256
88.223.211.0/2488.223.211.0–88.223.211.255256
88.223.216.0/2488.223.216.0–88.223.216.255256
88.223.217.0/2488.223.217.0–88.223.217.255256
88.223.218.0/2488.223.218.0–88.223.218.255256
88.223.219.0/2488.223.219.0–88.223.219.255256
88.223.244.0/2288.223.244.0–88.223.247.2551,024
89.35.149.0/2489.35.149.0–89.35.149.255256
89.40.161.0/2489.40.161.0–89.40.161.255256
89.44.64.0/2489.44.64.0–89.44.64.255256
89.187.5.0/2489.187.5.0–89.187.5.255256
89.187.11.0/2489.187.11.0–89.187.11.255256
91.186.160.0/1991.186.160.0–91.186.191.2558,192
91.190.37.0/2491.190.37.0–91.190.37.255256
91.190.186.0/2491.190.186.0–91.190.186.255256
91.190.191.0/2491.190.191.0–91.190.191.255256
91.202.56.0/2291.202.56.0–91.202.59.2551,024
91.242.70.0/2491.242.70.0–91.242.70.255256
91.242.74.0/2491.242.74.0–91.242.74.255256
91.242.105.0/2491.242.105.0–91.242.105.255256
92.61.107.0/2492.61.107.0–92.61.107.255256
92.61.110.0/2492.61.110.0–92.61.110.255256
92.112.240.0/2492.112.240.0–92.112.240.255256

全1,690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。

NTT のIPv6レンジ

NTT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
2001:218::/322001:218::–2001:218:ffff:ffff:ffff:ffff:ffff:ffff296
2001:218:8000::/382001:218:8000::–2001:218:83ff:ffff:ffff:ffff:ffff:ffff290
2001:218:e000::/382001:218:e000::–2001:218:e3ff:ffff:ffff:ffff:ffff:ffff290
2001:418::/322001:418::–2001:418:ffff:ffff:ffff:ffff:ffff:ffff296
2001:728::/322001:728::–2001:728:ffff:ffff:ffff:ffff:ffff:ffff296
2001:d38::/322001:d38::–2001:d38:ffff:ffff:ffff:ffff:ffff:ffff296
2001:d40::/322001:d40::–2001:d40:ffff:ffff:ffff:ffff:ffff:ffff296
2404:3600::/322404:3600::–2404:3600:ffff:ffff:ffff:ffff:ffff:ffff296
2602:ffb7:580::/462602:ffb7:580::–2602:ffb7:583:ffff:ffff:ffff:ffff:ffff282
2804:8f8::/322804:8f8::–2804:8f8:ffff:ffff:ffff:ffff:ffff:ffff296

全10件をすべて掲載しています。

NTT のIPレンジデータについて

  • ASNと保有組織

    NTTはAS2914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:AS2914 (NTT-DATA-2914 - NTT America, Inc.)。

  • 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NTT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NTT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。

NTT 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1,700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。

NTT のIPレンジに関するよくある質問

NTTのIPレンジはいくつありますか?

2026-11-02時点で、NTTはAS2914から、公開BGPルーティングテーブルに1,690件のIPv4プレフィックス(合計6,694,656アドレス)と10件のIPv6プレフィックスを広報しています。

NTTのASNは何ですか?

NTTはAS2914を使っています。レジストリ上の保有組織:AS2914 (NTT-DATA-2914 - NTT America, Inc.)。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。

NTT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。1,700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。NTT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。

NTT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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