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IPレンジ

Korea Telecom (KT) のIPレンジ一覧

Korea Telecom (KT)（AS4766）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。

Korea Telecom (KT)はAS4766から、2,155件のIPv4プレフィックス（合計47,219,200アドレス）と53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。

ASNAS4766
IPv4プレフィックス数2,155
IPv4アドレス総数47,219,200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53
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2,208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。

TXTをダウンロードCSVをダウンロードIPv4のみ（TXT）IPv6のみ（TXT）

Korea Telecom (KT) のIPv4レンジ

Korea Telecom (KT)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
1.96.0.0/141.96.0.0–1.99.255.255262,144
1.100.0.0/141.100.0.0–1.103.255.255262,144
1.104.0.0/141.104.0.0–1.107.255.255262,144
1.108.0.0/141.108.0.0–1.111.255.255262,144
1.231.13.0/241.231.13.0–1.231.13.255256
1.231.122.0/241.231.122.0–1.231.122.255256
1.231.136.0/241.231.136.0–1.231.136.255256
1.231.182.0/241.231.182.0–1.231.182.255256
1.231.183.0/241.231.183.0–1.231.183.255256
1.231.184.0/241.231.184.0–1.231.184.255256
1.231.185.0/241.231.185.0–1.231.185.255256
1.231.194.0/241.231.194.0–1.231.194.255256
1.231.195.0/241.231.195.0–1.231.195.255256
1.231.196.0/241.231.196.0–1.231.196.255256
1.231.197.0/241.231.197.0–1.231.197.255256
1.231.198.0/241.231.198.0–1.231.198.255256
9.233.32.0/209.233.32.0–9.233.47.2554,096
13.143.88.0/2213.143.88.0–13.143.91.2551,024
13.143.92.0/2213.143.92.0–13.143.95.2551,024
13.143.96.0/2213.143.96.0–13.143.99.2551,024
14.32.0.0/1314.32.0.0–14.39.255.255524,288
14.40.0.0/1314.40.0.0–14.47.255.255524,288
14.42.223.0/2414.42.223.0–14.42.223.255256
14.46.54.0/2414.46.54.0–14.46.54.255256
14.46.246.0/2314.46.246.0–14.46.247.255512
14.46.248.0/2114.46.248.0–14.46.255.2552,048
14.48.0.0/1314.48.0.0–14.55.255.255524,288
14.49.8.0/2114.49.8.0–14.49.15.2552,048
14.49.15.0/2414.49.15.0–14.49.15.255256
14.49.16.0/2114.49.16.0–14.49.23.2552,048
14.49.16.0/2414.49.16.0–14.49.16.255256
14.49.48.0/2114.49.48.0–14.49.55.2552,048
14.55.178.0/2414.55.178.0–14.55.178.255256
14.56.0.0/1314.56.0.0–14.63.255.255524,288
14.63.128.0/2414.63.128.0–14.63.128.255256
14.63.132.0/2214.63.132.0–14.63.135.2551,024
14.63.136.0/2214.63.136.0–14.63.139.2551,024
14.63.143.0/2414.63.143.0–14.63.143.255256
14.63.144.0/2014.63.144.0–14.63.159.2554,096
14.63.235.0/2414.63.235.0–14.63.235.255256
14.63.236.0/2214.63.236.0–14.63.239.2551,024
14.63.248.0/2314.63.248.0–14.63.249.255512
14.64.0.0/1214.64.0.0–14.79.255.2551,048,576
14.80.0.0/1214.80.0.0–14.95.255.2551,048,576
14.128.128.0/2314.128.128.0–14.128.129.255512
14.128.130.0/2314.128.130.0–14.128.131.255512
14.128.132.0/2314.128.132.0–14.128.133.255512
14.128.134.0/2314.128.134.0–14.128.135.255512
14.128.136.0/2214.128.136.0–14.128.139.2551,024
14.128.140.0/2214.128.140.0–14.128.143.2551,024
14.128.144.0/2214.128.144.0–14.128.147.2551,024
14.128.148.0/2214.128.148.0–14.128.151.2551,024
14.128.152.0/2214.128.152.0–14.128.155.2551,024
14.128.156.0/2214.128.156.0–14.128.159.2551,024
14.128.160.0/2214.128.160.0–14.128.163.2551,024
14.128.160.0/2414.128.160.0–14.128.160.255256
14.128.161.0/2414.128.161.0–14.128.161.255256
14.128.162.0/2414.128.162.0–14.128.162.255256
14.128.163.0/2414.128.163.0–14.128.163.255256
14.128.164.0/2214.128.164.0–14.128.167.2551,024
14.128.168.0/2214.128.168.0–14.128.171.2551,024
14.128.172.0/2214.128.172.0–14.128.175.2551,024
16.216.128.0/2316.216.128.0–16.216.129.255512
23.26.110.0/2423.26.110.0–23.26.110.255256
23.26.120.0/2423.26.120.0–23.26.120.255256
23.26.138.0/2423.26.138.0–23.26.138.255256
23.26.147.0/2423.26.147.0–23.26.147.255256
23.26.158.0/2323.26.158.0–23.26.159.255512
23.90.6.0/2323.90.6.0–23.90.7.255512
23.133.132.0/2423.133.132.0–23.133.132.255256
23.133.148.0/2423.133.148.0–23.133.148.255256
23.133.244.0/2423.133.244.0–23.133.244.255256
23.134.4.0/2423.134.4.0–23.134.4.255256
23.134.220.0/2423.134.220.0–23.134.220.255256
27.96.136.0/2127.96.136.0–27.96.143.2552,048
27.232.0.0/1427.232.0.0–27.235.255.255262,144
27.236.0.0/1427.236.0.0–27.239.255.255262,144
27.255.64.0/2427.255.64.0–27.255.64.255256
31.56.172.0/2431.56.172.0–31.56.172.255256
31.56.173.0/2431.56.173.0–31.56.173.255256
31.56.242.0/2431.56.242.0–31.56.242.255256
31.56.243.0/2431.56.243.0–31.56.243.255256
31.56.244.0/2431.56.244.0–31.56.244.255256
31.56.245.0/2431.56.245.0–31.56.245.255256
31.77.176.0/2331.77.176.0–31.77.177.255512
39.4.0.0/1439.4.0.0–39.7.255.255262,144
39.16.0.0/1339.16.0.0–39.23.255.255524,288
39.24.0.0/1339.24.0.0–39.31.255.255524,288
43.228.160.0/2343.228.160.0–43.228.161.255512
43.228.162.0/2343.228.162.0–43.228.163.255512
43.228.162.0/2443.228.162.0–43.228.162.255256
43.230.76.0/2343.230.76.0–43.230.77.255512
43.230.78.0/2443.230.78.0–43.230.78.255256
43.230.79.0/2443.230.79.0–43.230.79.255256
43.246.152.0/2443.246.152.0–43.246.152.255256
43.246.153.0/2443.246.153.0–43.246.153.255256
43.246.154.0/2443.246.154.0–43.246.154.255256
43.246.155.0/2443.246.155.0–43.246.155.255256
45.64.172.0/2245.64.172.0–45.64.175.2551,024
45.92.104.0/2245.92.104.0–45.92.107.2551,024
45.117.14.0/2445.117.14.0–45.117.14.255256
45.249.64.0/2245.249.64.0–45.249.67.2551,024
49.16.0.0/1449.16.0.0–49.19.255.255262,144
49.20.0.0/1549.20.0.0–49.21.255.255131,072
49.22.0.0/1549.22.0.0–49.23.255.255131,072
49.24.0.0/1349.24.0.0–49.31.255.255524,288
49.50.156.0/2249.50.156.0–49.50.159.2551,024
49.56.0.0/1349.56.0.0–49.63.255.255524,288
49.143.192.0/2049.143.192.0–49.143.207.2554,096
49.254.0.0/1749.254.0.0–49.254.127.25532,768
49.254.128.0/1749.254.128.0–49.254.255.25532,768
49.254.166.0/2449.254.166.0–49.254.166.255256
50.2.96.0/2350.2.96.0–50.2.97.255512
51.194.152.0/2451.194.152.0–51.194.152.255256
51.241.138.0/2351.241.138.0–51.241.139.255512
51.241.199.0/2451.241.199.0–51.241.199.255256
58.29.196.0/2458.29.196.0–58.29.196.255256
59.0.0.0/1159.0.0.0–59.31.255.2552,097,152
59.0.0.0/1259.0.0.0–59.15.255.2551,048,576
59.0.0.0/1359.0.0.0–59.7.255.255524,288
59.0.113.0/2459.0.113.0–59.0.113.255256
59.0.144.0/2459.0.144.0–59.0.144.255256
59.0.170.0/2459.0.170.0–59.0.170.255256
59.0.171.0/2459.0.171.0–59.0.171.255256
59.0.172.0/2459.0.172.0–59.0.172.255256
59.0.173.0/2459.0.173.0–59.0.173.255256
59.0.174.0/2459.0.174.0–59.0.174.255256
59.0.175.0/2459.0.175.0–59.0.175.255256
59.0.176.0/2459.0.176.0–59.0.176.255256
59.0.177.0/2459.0.177.0–59.0.177.255256
59.2.109.0/2459.2.109.0–59.2.109.255256
59.4.89.0/2459.4.89.0–59.4.89.255256
59.4.90.0/2459.4.90.0–59.4.90.255256
59.4.91.0/2459.4.91.0–59.4.91.255256
59.4.92.0/2459.4.92.0–59.4.92.255256
59.4.93.0/2459.4.93.0–59.4.93.255256
59.4.94.0/2459.4.94.0–59.4.94.255256
59.4.95.0/2459.4.95.0–59.4.95.255256
59.4.96.0/2459.4.96.0–59.4.96.255256
59.4.97.0/2459.4.97.0–59.4.97.255256
59.4.98.0/2459.4.98.0–59.4.98.255256
59.8.0.0/1359.8.0.0–59.15.255.255524,288
59.8.186.0/2459.8.186.0–59.8.186.255256
59.8.187.0/2459.8.187.0–59.8.187.255256
59.8.188.0/2459.8.188.0–59.8.188.255256
59.8.189.0/2459.8.189.0–59.8.189.255256
59.8.190.0/2459.8.190.0–59.8.190.255256
59.11.56.0/2359.11.56.0–59.11.57.255512
59.11.69.0/2459.11.69.0–59.11.69.255256
59.11.228.0/2459.11.228.0–59.11.228.255256
59.11.229.0/2459.11.229.0–59.11.229.255256
59.12.136.0/2459.12.136.0–59.12.136.255256
59.12.137.0/2459.12.137.0–59.12.137.255256
59.12.138.0/2459.12.138.0–59.12.138.255256
59.12.139.0/2459.12.139.0–59.12.139.255256
59.12.182.0/2459.12.182.0–59.12.182.255256
59.12.188.0/2459.12.188.0–59.12.188.255256
59.13.50.0/2359.13.50.0–59.13.51.255512
59.13.159.0/2459.13.159.0–59.13.159.255256
59.13.162.0/2459.13.162.0–59.13.162.255256
59.16.0.0/1259.16.0.0–59.31.255.2551,048,576
59.16.0.0/1359.16.0.0–59.23.255.255524,288
59.16.50.0/2459.16.50.0–59.16.50.255256
59.18.64.0/1959.18.64.0–59.18.95.2558,192
59.18.87.0/2459.18.87.0–59.18.87.255256
59.18.96.0/1959.18.96.0–59.18.127.2558,192
59.24.0.0/1359.24.0.0–59.31.255.255524,288
61.36.233.0/2461.36.233.0–61.36.233.255256
61.36.234.0/2461.36.234.0–61.36.234.255256
61.36.235.0/2461.36.235.0–61.36.235.255256
61.36.236.0/2461.36.236.0–61.36.236.255256
61.72.0.0/1361.72.0.0–61.79.255.255524,288
61.72.179.0/2461.72.179.0–61.72.179.255256
61.72.180.0/2261.72.180.0–61.72.183.2551,024
61.77.180.0/2361.77.180.0–61.77.181.255512
61.78.113.0/2461.78.113.0–61.78.113.255256
61.78.114.0/2461.78.114.0–61.78.114.255256
61.78.115.0/2461.78.115.0–61.78.115.255256
61.80.0.0/1461.80.0.0–61.83.255.255262,144
61.80.34.0/2461.80.34.0–61.80.34.255256
61.80.45.0/2461.80.45.0–61.80.45.255256
61.80.49.0/2461.80.49.0–61.80.49.255256
61.80.132.0/2461.80.132.0–61.80.132.255256
61.80.133.0/2461.80.133.0–61.80.133.255256
61.81.224.0/1961.81.224.0–61.81.255.2558,192
61.82.91.0/2461.82.91.0–61.82.91.255256
61.83.128.0/2461.83.128.0–61.83.128.255256
61.83.129.0/2461.83.129.0–61.83.129.255256
61.83.130.0/2461.83.130.0–61.83.130.255256
61.83.131.0/2461.83.131.0–61.83.131.255256
61.83.223.0/2461.83.223.0–61.83.223.255256
61.83.233.0/2461.83.233.0–61.83.233.255256
61.84.0.0/1561.84.0.0–61.85.255.255131,072
61.84.121.0/2461.84.121.0–61.84.121.255256
61.85.24.0/2361.85.24.0–61.85.25.255512
61.85.26.0/2461.85.26.0–61.85.26.255256
61.96.50.0/2461.96.50.0–61.96.50.255256
61.96.51.0/2461.96.51.0–61.96.51.255256
61.97.160.0/2161.97.160.0–61.97.167.2552,048
61.97.170.0/2361.97.170.0–61.97.171.255512
61.97.174.0/2361.97.174.0–61.97.175.255512
61.106.128.0/1861.106.128.0–61.106.191.25516,384
61.106.128.0/2461.106.128.0–61.106.128.255256
61.106.140.0/2461.106.140.0–61.106.140.255256
61.106.146.0/2461.106.146.0–61.106.146.255256
61.106.162.0/2461.106.162.0–61.106.162.255256
61.106.174.0/2461.106.174.0–61.106.174.255256
61.106.176.0/2461.106.176.0–61.106.176.255256
61.106.177.0/2461.106.177.0–61.106.177.255256
61.106.178.0/2461.106.178.0–61.106.178.255256
61.106.179.0/2461.106.179.0–61.106.179.255256
61.106.180.0/2461.106.180.0–61.106.180.255256
61.106.181.0/2461.106.181.0–61.106.181.255256
61.106.182.0/2461.106.182.0–61.106.182.255256
61.106.183.0/2461.106.183.0–61.106.183.255256
61.106.184.0/2461.106.184.0–61.106.184.255256
61.106.185.0/2461.106.185.0–61.106.185.255256
61.106.186.0/2461.106.186.0–61.106.186.255256
61.106.187.0/2461.106.187.0–61.106.187.255256
61.106.188.0/2461.106.188.0–61.106.188.255256
61.106.191.0/2461.106.191.0–61.106.191.255256
61.108.37.0/2461.108.37.0–61.108.37.255256
61.251.64.0/2061.251.64.0–61.251.79.2554,096
61.251.65.0/2461.251.65.0–61.251.65.255256
61.251.66.0/2461.251.66.0–61.251.66.255256
61.251.67.0/2461.251.67.0–61.251.67.255256
61.251.68.0/2461.251.68.0–61.251.68.255256
61.251.69.0/2461.251.69.0–61.251.69.255256
61.251.70.0/2461.251.70.0–61.251.70.255256
61.251.71.0/2461.251.71.0–61.251.71.255256
61.251.72.0/2461.251.72.0–61.251.72.255256
61.251.73.0/2461.251.73.0–61.251.73.255256
61.251.74.0/2461.251.74.0–61.251.74.255256
61.251.75.0/2461.251.75.0–61.251.75.255256
61.251.76.0/2461.251.76.0–61.251.76.255256
61.251.77.0/2461.251.77.0–61.251.77.255256
61.251.78.0/2461.251.78.0–61.251.78.255256
61.251.188.0/2461.251.188.0–61.251.188.255256
61.252.32.0/2061.252.32.0–61.252.47.2554,096
64.81.172.0/2364.81.172.0–64.81.173.255512
67.220.69.0/2467.220.69.0–67.220.69.255256
68.167.128.0/2368.167.128.0–68.167.129.255512
71.19.135.0/2471.19.135.0–71.19.135.255256
74.124.196.0/2474.124.196.0–74.124.196.255256
79.176.184.0/2179.176.184.0–79.176.191.2552,048
79.180.2.0/2379.180.2.0–79.180.3.255512
79.180.34.0/2379.180.34.0–79.180.35.255512
79.180.64.0/2379.180.64.0–79.180.65.255512
79.180.254.0/2379.180.254.0–79.180.255.255512
82.22.240.0/2482.22.240.0–82.22.240.255256
82.23.198.0/2482.23.198.0–82.23.198.255256
82.23.240.0/2482.23.240.0–82.23.240.255256
82.24.209.0/2482.24.209.0–82.24.209.255256
82.24.219.0/2482.24.219.0–82.24.219.255256
82.24.233.0/2482.24.233.0–82.24.233.255256
82.24.240.0/2482.24.240.0–82.24.240.255256
82.24.250.0/2482.24.250.0–82.24.250.255256
82.25.208.0/2482.25.208.0–82.25.208.255256
82.25.211.0/2482.25.211.0–82.25.211.255256
84.37.2.0/2484.37.2.0–84.37.2.255256
84.37.17.0/2484.37.17.0–84.37.17.255256
84.37.23.0/2484.37.23.0–84.37.23.255256
85.155.90.0/2385.155.90.0–85.155.91.255512
89.30.184.0/2389.30.184.0–89.30.185.255512
93.152.68.0/2493.152.68.0–93.152.68.255256
93.152.74.0/2493.152.74.0–93.152.74.255256
93.152.78.0/2493.152.78.0–93.152.78.255256
93.152.82.0/2493.152.82.0–93.152.82.255256
93.152.88.0/2493.152.88.0–93.152.88.255256
93.152.105.0/2493.152.105.0–93.152.105.255256
93.152.108.0/2493.152.108.0–93.152.108.255256
93.152.111.0/2493.152.111.0–93.152.111.255256
93.152.123.0/2493.152.123.0–93.152.123.255256
93.152.126.0/2493.152.126.0–93.152.126.255256
94.194.52.0/2294.194.52.0–94.194.55.2551,024
94.194.140.0/2294.194.140.0–94.194.143.2551,024
94.194.160.0/2294.194.160.0–94.194.163.2551,024
94.194.180.0/2294.194.180.0–94.194.183.2551,024
94.194.248.0/2294.194.248.0–94.194.251.2551,024
95.155.180.0/2395.155.180.0–95.155.181.255512
101.53.81.0/24101.53.81.0–101.53.81.255256
101.53.88.0/24101.53.88.0–101.53.88.255256
101.101.136.0/21101.101.136.0–101.101.143.2552,048
101.101.224.0/22101.101.224.0–101.101.227.2551,024
101.101.240.0/23101.101.240.0–101.101.241.255512
101.101.246.0/23101.101.246.0–101.101.247.255512
101.101.248.0/22101.101.248.0–101.101.251.2551,024
102.215.229.0/24102.215.229.0–102.215.229.255256
103.4.176.0/22103.4.176.0–103.4.179.2551,024
103.4.180.0/22103.4.180.0–103.4.183.2551,024
103.11.58.0/23103.11.58.0–103.11.59.255512
103.43.69.0/24103.43.69.0–103.43.69.255256
103.57.60.0/24103.57.60.0–103.57.60.255256
103.57.61.0/24103.57.61.0–103.57.61.255256
103.127.213.0/24103.127.213.0–103.127.213.255256
103.141.191.0/24103.141.191.0–103.141.191.255256
103.212.124.0/24103.212.124.0–103.212.124.255256
103.212.126.0/24103.212.126.0–103.212.126.255256
103.212.127.0/24103.212.127.0–103.212.127.255256
103.212.244.0/24103.212.244.0–103.212.244.255256
103.212.245.0/24103.212.245.0–103.212.245.255256
103.228.96.0/24103.228.96.0–103.228.96.255256
103.228.99.0/24103.228.99.0–103.228.99.255256
103.247.232.0/23103.247.232.0–103.247.233.255512
103.251.104.0/22103.251.104.0–103.251.107.2551,024
104.140.8.0/23104.140.8.0–104.140.9.255512
104.253.103.0/24104.253.103.0–104.253.103.255256
104.253.127.0/24104.253.127.0–104.253.127.255256
109.66.90.0/23109.66.90.0–109.66.91.255512
109.66.168.0/21109.66.168.0–109.66.175.2552,048
109.66.234.0/23109.66.234.0–109.66.235.255512
109.66.246.0/23109.66.246.0–109.66.247.255512
109.174.236.0/22109.174.236.0–109.174.239.2551,024
110.68.0.0/16110.68.0.0–110.68.255.25565,536
110.69.0.0/16110.69.0.0–110.69.255.25565,536
110.70.0.0/15110.70.0.0–110.71.255.255131,072
110.92.20.0/24110.92.20.0–110.92.20.255256
110.92.21.0/24110.92.21.0–110.92.21.255256
110.92.22.0/24110.92.22.0–110.92.22.255256
110.93.120.0/22110.93.120.0–110.93.123.2551,024
110.93.124.0/22110.93.124.0–110.93.127.2551,024
111.92.188.0/24111.92.188.0–111.92.188.255256
111.92.189.0/24111.92.189.0–111.92.189.255256
111.92.191.0/24111.92.191.0–111.92.191.255256
112.160.0.0/12112.160.0.0–112.175.255.2551,048,576
112.160.0.0/13112.160.0.0–112.167.255.255524,288
112.161.25.0/24112.161.25.0–112.161.25.255256
112.168.0.0/13112.168.0.0–112.175.255.255524,288
112.173.240.0/21112.173.240.0–112.173.247.2552,048
112.176.0.0/12112.176.0.0–112.191.255.2551,048,576
112.187.203.0/24112.187.203.0–112.187.203.255256
113.198.0.0/20113.198.0.0–113.198.15.2554,096
113.198.16.0/21113.198.16.0–113.198.23.2552,048
113.198.24.0/22113.198.24.0–113.198.27.2551,024
113.198.28.0/23113.198.28.0–113.198.29.255512
113.198.92.0/24113.198.92.0–113.198.92.255256
113.198.93.0/24113.198.93.0–113.198.93.255256
113.198.181.0/24113.198.181.0–113.198.181.255256
113.198.182.0/24113.198.182.0–113.198.182.255256
113.198.183.0/24113.198.183.0–113.198.183.255256
113.198.195.0/24113.198.195.0–113.198.195.255256
114.70.27.0/24114.70.27.0–114.70.27.255256
114.70.28.0/24114.70.28.0–114.70.28.255256
114.70.29.0/24114.70.29.0–114.70.29.255256
114.70.30.0/24114.70.30.0–114.70.30.255256
114.70.31.0/24114.70.31.0–114.70.31.255256
114.70.32.0/24114.70.32.0–114.70.32.255256
114.70.33.0/24114.70.33.0–114.70.33.255256
114.70.41.0/24114.70.41.0–114.70.41.255256
114.70.60.0/24114.70.60.0–114.70.60.255256
114.70.80.0/24114.70.80.0–114.70.80.255256
114.70.81.0/24114.70.81.0–114.70.81.255256
114.70.129.0/24114.70.129.0–114.70.129.255256
114.70.130.0/24114.70.130.0–114.70.130.255256
114.70.131.0/24114.70.131.0–114.70.131.255256
114.70.137.0/24114.70.137.0–114.70.137.255256
114.70.139.0/24114.70.139.0–114.70.139.255256
114.70.144.0/22114.70.144.0–114.70.147.2551,024
114.70.150.0/24114.70.150.0–114.70.150.255256
114.70.160.0/24114.70.160.0–114.70.160.255256
114.70.161.0/24114.70.161.0–114.70.161.255256
114.70.162.0/24114.70.162.0–114.70.162.255256
114.70.174.0/23114.70.174.0–114.70.175.255512
114.70.176.0/23114.70.176.0–114.70.177.255512
114.70.178.0/24114.70.178.0–114.70.178.255256
114.70.207.0/24114.70.207.0–114.70.207.255256
114.70.211.0/24114.70.211.0–114.70.211.255256
114.70.212.0/24114.70.212.0–114.70.212.255256
114.70.214.0/24114.70.214.0–114.70.214.255256
114.70.220.0/24114.70.220.0–114.70.220.255256
114.70.221.0/24114.70.221.0–114.70.221.255256
114.70.222.0/24114.70.222.0–114.70.222.255256
114.70.223.0/24114.70.223.0–114.70.223.255256
114.70.244.0/22114.70.244.0–114.70.247.2551,024
114.70.248.0/21114.70.248.0–114.70.255.2552,048
114.71.13.0/24114.71.13.0–114.71.13.255256
114.71.14.0/23114.71.14.0–114.71.15.255512
114.71.16.0/23114.71.16.0–114.71.17.255512
114.71.18.0/24114.71.18.0–114.71.18.255256
114.71.52.0/22114.71.52.0–114.71.55.2551,024
114.71.56.0/23114.71.56.0–114.71.57.255512
114.71.83.0/24114.71.83.0–114.71.83.255256
114.71.84.0/22114.71.84.0–114.71.87.2551,024
114.71.128.0/24114.71.128.0–114.71.128.255256
114.71.129.0/24114.71.129.0–114.71.129.255256
114.71.130.0/24114.71.130.0–114.71.130.255256
114.71.131.0/24114.71.131.0–114.71.131.255256
114.71.132.0/24114.71.132.0–114.71.132.255256
114.71.133.0/24114.71.133.0–114.71.133.255256
114.71.134.0/24114.71.134.0–114.71.134.255256
114.71.135.0/24114.71.135.0–114.71.135.255256
114.71.136.0/24114.71.136.0–114.71.136.255256
114.71.137.0/24114.71.137.0–114.71.137.255256
114.71.138.0/24114.71.138.0–114.71.138.255256
114.71.139.0/24114.71.139.0–114.71.139.255256
114.71.140.0/24114.71.140.0–114.71.140.255256
114.71.141.0/24114.71.141.0–114.71.141.255256
114.71.142.0/24114.71.142.0–114.71.142.255256
114.71.143.0/24114.71.143.0–114.71.143.255256
114.71.144.0/24114.71.144.0–114.71.144.255256
114.71.145.0/24114.71.145.0–114.71.145.255256
114.71.146.0/24114.71.146.0–114.71.146.255256
114.71.147.0/24114.71.147.0–114.71.147.255256
114.71.148.0/24114.71.148.0–114.71.148.255256
114.71.150.0/24114.71.150.0–114.71.150.255256
114.71.152.0/24114.71.152.0–114.71.152.255256
114.71.154.0/24114.71.154.0–114.71.154.255256
114.71.236.0/24114.71.236.0–114.71.236.255256
114.71.237.0/24114.71.237.0–114.71.237.255256
114.71.238.0/24114.71.238.0–114.71.238.255256
114.71.246.0/23114.71.246.0–114.71.247.255512
114.71.248.0/24114.71.248.0–114.71.248.255256
114.71.249.0/24114.71.249.0–114.71.249.255256
115.0.0.0/12115.0.0.0–115.15.255.2551,048,576
115.16.0.0/13115.16.0.0–115.23.255.255524,288
115.20.0.0/17115.20.0.0–115.20.127.25532,768
115.22.65.0/24115.22.65.0–115.22.65.255256
115.85.160.0/21115.85.160.0–115.85.167.2552,048
115.85.168.0/21115.85.168.0–115.85.175.2552,048
115.144.0.0/18115.144.0.0–115.144.63.25516,384
115.144.28.0/24115.144.28.0–115.144.28.255256
115.144.64.0/22115.144.64.0–115.144.67.2551,024
115.144.68.0/24115.144.68.0–115.144.68.255256
115.144.69.0/24115.144.69.0–115.144.69.255256
115.144.70.0/23115.144.70.0–115.144.71.255512
115.144.72.0/21115.144.72.0–115.144.79.2552,048
115.144.80.0/20115.144.80.0–115.144.95.2554,096
115.144.96.0/21115.144.96.0–115.144.103.2552,048
115.144.104.0/23115.144.104.0–115.144.105.255512
115.144.106.0/24115.144.106.0–115.144.106.255256
115.144.107.0/24115.144.107.0–115.144.107.255256
115.144.108.0/22115.144.108.0–115.144.111.2551,024
115.144.112.0/21115.144.112.0–115.144.119.2552,048
115.144.120.0/23115.144.120.0–115.144.121.255512
115.144.122.0/24115.144.122.0–115.144.122.255256
115.144.123.0/24115.144.123.0–115.144.123.255256
115.144.124.0/22115.144.124.0–115.144.127.2551,024
115.144.128.0/19115.144.128.0–115.144.159.2558,192
115.144.160.0/22115.144.160.0–115.144.163.2551,024
115.144.164.0/23115.144.164.0–115.144.165.255512
115.144.166.0/24115.144.166.0–115.144.166.255256
115.144.167.0/24115.144.167.0–115.144.167.255256
115.144.168.0/21115.144.168.0–115.144.175.2552,048
115.144.176.0/23115.144.176.0–115.144.177.255512
115.144.178.0/24115.144.178.0–115.144.178.255256
115.144.179.0/24115.144.179.0–115.144.179.255256
115.144.181.0/24115.144.181.0–115.144.181.255256
115.144.182.0/23115.144.182.0–115.144.183.255512
115.144.184.0/21115.144.184.0–115.144.191.2552,048
115.144.192.0/19115.144.192.0–115.144.223.2558,192
115.144.224.0/21115.144.224.0–115.144.231.2552,048
115.144.232.0/22115.144.232.0–115.144.235.2551,024
115.144.236.0/23115.144.236.0–115.144.237.255512
115.144.238.0/24115.144.238.0–115.144.238.255256
115.144.239.0/24115.144.239.0–115.144.239.255256
115.144.240.0/20115.144.240.0–115.144.255.2554,096
116.200.0.0/15116.200.0.0–116.201.255.255131,072
117.16.32.0/24117.16.32.0–117.16.32.255256
117.16.33.0/24117.16.33.0–117.16.33.255256
117.16.34.0/24117.16.34.0–117.16.34.255256
117.16.35.0/24117.16.35.0–117.16.35.255256
117.16.38.0/24117.16.38.0–117.16.38.255256
117.16.39.0/24117.16.39.0–117.16.39.255256
117.16.52.0/23117.16.52.0–117.16.53.255512
117.16.60.0/24117.16.60.0–117.16.60.255256
117.16.61.0/24117.16.61.0–117.16.61.255256
117.16.62.0/24117.16.62.0–117.16.62.255256
117.16.63.0/24117.16.63.0–117.16.63.255256
117.16.64.0/24117.16.64.0–117.16.64.255256
117.16.65.0/24117.16.65.0–117.16.65.255256
117.16.66.0/24117.16.66.0–117.16.66.255256
117.16.67.0/24117.16.67.0–117.16.67.255256
117.16.68.0/24117.16.68.0–117.16.68.255256
117.16.69.0/24117.16.69.0–117.16.69.255256
117.16.75.0/24117.16.75.0–117.16.75.255256
117.16.76.0/24117.16.76.0–117.16.76.255256
117.16.80.0/24117.16.80.0–117.16.80.255256
117.16.81.0/24117.16.81.0–117.16.81.255256
117.16.82.0/24117.16.82.0–117.16.82.255256
117.16.83.0/24117.16.83.0–117.16.83.255256
117.16.84.0/24117.16.84.0–117.16.84.255256
117.16.85.0/24117.16.85.0–117.16.85.255256
117.16.90.0/24117.16.90.0–117.16.90.255256
117.16.129.0/24117.16.129.0–117.16.129.255256
117.16.130.0/23117.16.130.0–117.16.131.255512
117.16.132.0/24117.16.132.0–117.16.132.255256
117.16.133.0/24117.16.133.0–117.16.133.255256
117.16.176.0/24117.16.176.0–117.16.176.255256
117.16.177.0/24117.16.177.0–117.16.177.255256
117.16.178.0/24117.16.178.0–117.16.178.255256
117.16.179.0/24117.16.179.0–117.16.179.255256
117.16.180.0/24117.16.180.0–117.16.180.255256
117.16.181.0/24117.16.181.0–117.16.181.255256
117.16.182.0/24117.16.182.0–117.16.182.255256
117.16.183.0/24117.16.183.0–117.16.183.255256
117.16.184.0/24117.16.184.0–117.16.184.255256
117.16.185.0/24117.16.185.0–117.16.185.255256
117.16.235.0/24117.16.235.0–117.16.235.255256
117.16.236.0/24117.16.236.0–117.16.236.255256
117.16.237.0/24117.16.237.0–117.16.237.255256

全2,155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。

Korea Telecom (KT) のIPv6レンジ

Korea Telecom (KT)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
2400:0:611::/482400:0:611::–2400:0:611:ffff:ffff:ffff:ffff:ffff280
2400:0:810::/442400:0:810::–2400:0:81f:ffff:ffff:ffff:ffff:ffff284
2400:0:820::/442400:0:820::–2400:0:82f:ffff:ffff:ffff:ffff:ffff284
2400:0:830::/442400:0:830::–2400:0:83f:ffff:ffff:ffff:ffff:ffff284
2400:0:840::/442400:0:840::–2400:0:84f:ffff:ffff:ffff:ffff:ffff284
2400:0:850::/442400:0:850::–2400:0:85f:ffff:ffff:ffff:ffff:ffff284
2400:0:860::/442400:0:860::–2400:0:86f:ffff:ffff:ffff:ffff:ffff284
2400:0:870::/442400:0:870::–2400:0:87f:ffff:ffff:ffff:ffff:ffff284
2400:12::/482400:12::–2400:12:0:ffff:ffff:ffff:ffff:ffff280
2400:32::/482400:32::–2400:32:0:ffff:ffff:ffff:ffff:ffff280
2400:e1::/322400:e1::–2400:e1:ffff:ffff:ffff:ffff:ffff:ffff296
2400:e2::/322400:e2::–2400:e2:ffff:ffff:ffff:ffff:ffff:ffff296
2400:f1::/322400:f1::–2400:f1:ffff:ffff:ffff:ffff:ffff:ffff296
2400:f2::/322400:f2::–2400:f2:ffff:ffff:ffff:ffff:ffff:ffff296
2400:f3::/322400:f3::–2400:f3:ffff:ffff:ffff:ffff:ffff:ffff296
2400:f4::/322400:f4::–2400:f4:ffff:ffff:ffff:ffff:ffff:ffff296
2400:f5::/322400:f5::–2400:f5:ffff:ffff:ffff:ffff:ffff:ffff296
2400:f6::/322400:f6::–2400:f6:ffff:ffff:ffff:ffff:ffff:ffff296
2400:f7::/322400:f7::–2400:f7:ffff:ffff:ffff:ffff:ffff:ffff296
2400:100::/322400:100::–2400:100:ffff:ffff:ffff:ffff:ffff:ffff296
2400:101::/322400:101::–2400:101:ffff:ffff:ffff:ffff:ffff:ffff296
2400:102::/322400:102::–2400:102:ffff:ffff:ffff:ffff:ffff:ffff296
2400:103::/322400:103::–2400:103:ffff:ffff:ffff:ffff:ffff:ffff296
2400:103:c009::/482400:103:c009::–2400:103:c009:ffff:ffff:ffff:ffff:ffff280
2400:104::/302400:104::–2400:107:ffff:ffff:ffff:ffff:ffff:ffff298
2400:108::/322400:108::–2400:108:ffff:ffff:ffff:ffff:ffff:ffff296
2400:109::/322400:109::–2400:109:ffff:ffff:ffff:ffff:ffff:ffff296
2400:10a::/322400:10a::–2400:10a:ffff:ffff:ffff:ffff:ffff:ffff296
2400:10b::/322400:10b::–2400:10b:ffff:ffff:ffff:ffff:ffff:ffff296
2400:110::/322400:110::–2400:110:ffff:ffff:ffff:ffff:ffff:ffff296
2400:111::/322400:111::–2400:111:ffff:ffff:ffff:ffff:ffff:ffff296
2400:112::/322400:112::–2400:112:ffff:ffff:ffff:ffff:ffff:ffff296
2400:120::/312400:120::–2400:121:ffff:ffff:ffff:ffff:ffff:ffff297
2400:122::/312400:122::–2400:123:ffff:ffff:ffff:ffff:ffff:ffff297
2400:124::/312400:124::–2400:125:ffff:ffff:ffff:ffff:ffff:ffff297
2400:126::/322400:126::–2400:126:ffff:ffff:ffff:ffff:ffff:ffff296
2400:130::/302400:130::–2400:133:ffff:ffff:ffff:ffff:ffff:ffff298
2400:130:c009::/482400:130:c009::–2400:130:c009:ffff:ffff:ffff:ffff:ffff280
2400:134::/322400:134::–2400:134:ffff:ffff:ffff:ffff:ffff:ffff296
2400:140::/302400:140::–2400:143:ffff:ffff:ffff:ffff:ffff:ffff298
2400:140:c009::/482400:140:c009::–2400:140:c009:ffff:ffff:ffff:ffff:ffff280
2400:144::/302400:144::–2400:147:ffff:ffff:ffff:ffff:ffff:ffff298
2400:144:c009::/482400:144:c009::–2400:144:c009:ffff:ffff:ffff:ffff:ffff280
2400:148::/322400:148::–2400:148:ffff:ffff:ffff:ffff:ffff:ffff296
2400:150::/302400:150::–2400:153:ffff:ffff:ffff:ffff:ffff:ffff298
2400:150:c009::/482400:150:c009::–2400:150:c009:ffff:ffff:ffff:ffff:ffff280
2400:154::/312400:154::–2400:155:ffff:ffff:ffff:ffff:ffff:ffff297
2400:156::/322400:156::–2400:156:ffff:ffff:ffff:ffff:ffff:ffff296
2400:156:c009::/482400:156:c009::–2400:156:c009:ffff:ffff:ffff:ffff:ffff280
2400:160::/302400:160::–2400:163:ffff:ffff:ffff:ffff:ffff:ffff298
2400:160:c009::/482400:160:c009::–2400:160:c009:ffff:ffff:ffff:ffff:ffff280
2400:164::/312400:164::–2400:165:ffff:ffff:ffff:ffff:ffff:ffff297
2400:221:3002::/482400:221:3002::–2400:221:3002:ffff:ffff:ffff:ffff:ffff280

全53件をすべて掲載しています。

Korea Telecom (KT) のIPレンジデータについて

  • ASNと保有組織

    Korea Telecom (KT)はAS4766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：AS4766 (KIXS-AS-KR-KR - Korea Telecom)。

  • 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Korea Telecom (KT)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Korea Telecom (KT)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。

Korea Telecom (KT) 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2,208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。

Korea Telecom (KT) のIPレンジに関するよくある質問

Korea Telecom (KT)のIPレンジはいくつありますか？

2026-11-02時点で、Korea Telecom (KT)はAS4766から、公開BGPルーティングテーブルに2,155件のIPv4プレフィックス（合計47,219,200アドレス）と53件のIPv6プレフィックスを広報しています。

Korea Telecom (KT)のASNは何ですか？

Korea Telecom (KT)はAS4766を使っています。レジストリ上の保有組織：AS4766 (KIXS-AS-KR-KR - Korea Telecom)。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。

Korea Telecom (KT)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。2,208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。Korea Telecom (KT)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。

Korea Telecom (KT)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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