AS45400 Korea Telecom
IP Address Ranges
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 61.83.247.0/25 | 61.83.247.0 | 61.83.247.127 | 128 | |
| 61.83.247.128/25 | 61.83.247.128 | 61.83.247.255 | 128 | |
| 180.92.241.0/24 | 180.92.241.0 | 180.92.241.255 | 256 | |
| 180.92.248.0/24 | 180.92.248.0 | 180.92.248.255 | 256 | |
| 180.92.249.0/25 | 180.92.249.0 | 180.92.249.127 | 128 | |
| 180.92.250.0/24 | 180.92.250.0 | 180.92.250.255 | 256 | |
| 180.92.251.0/24 | 180.92.251.0 | 180.92.251.255 | 256 | |
| 180.92.253.128/25 | 180.92.253.128 | 180.92.253.255 | 128 | |
| 180.92.254.0/24 | 180.92.254.0 | 180.92.254.255 | 256 | |
| 180.92.255.128/25 | 180.92.255.128 | 180.92.255.255 | 128 | |
| 203.242.5.0/24 | 203.242.5.0 | 203.242.5.255 | 256 | |
| 203.254.123.0/24 | 203.254.123.0 | 203.254.123.255 | 256 | |
| 210.90.6.0/24 | 210.90.6.0 | 210.90.6.255 | 256 | |
| 210.90.17.0/25 | 210.90.17.0 | 210.90.17.127 | 128 | |
| 210.90.25.128/25 | 210.90.25.128 | 210.90.25.255 | 128 | |
| 210.90.75.128/25 | 210.90.75.128 | 210.90.75.255 | 128 | |
| 210.90.80.0/24 | 210.90.80.0 | 210.90.80.255 | 256 | |
| 210.90.82.0/24 | 210.90.82.0 | 210.90.82.255 | 256 | |
| 210.90.107.0/25 | 210.90.107.0 | 210.90.107.127 | 128 | |
| 210.90.115.128/25 | 210.90.115.128 | 210.90.115.255 | 128 | |
| 210.90.170.0/25 | 210.90.170.0 | 210.90.170.127 | 128 | |
| 210.90.191.0/24 | 210.90.191.0 | 210.90.191.255 | 256 | |
| 210.90.194.0/25 | 210.90.194.0 | 210.90.194.127 | 128 | |
| 210.90.199.0/24 | 210.90.199.0 | 210.90.199.255 | 256 | |
| 210.90.214.0/24 | 210.90.214.0 | 210.90.214.255 | 256 | |
| 210.90.216.128/25 | 210.90.216.128 | 210.90.216.255 | 128 | |
| 210.90.224.0/25 | 210.90.224.0 | 210.90.224.127 | 128 | |
| 210.95.12.0/24 | 210.95.12.0 | 210.95.12.255 | 256 | |
| 210.95.19.0/24 | 210.95.19.0 | 210.95.19.255 | 256 | |
| 210.95.35.128/25 | 210.95.35.128 | 210.95.35.255 | 128 | |
| 210.95.89.0/25 | 210.95.89.0 | 210.95.89.127 | 128 | |
| 210.95.115.128/25 | 210.95.115.128 | 210.95.115.255 | 128 | |
| 210.95.200.0/25 | 210.95.200.0 | 210.95.200.127 | 128 | |
| 210.96.11.0/25 | 210.96.11.0 | 210.96.11.127 | 128 | |
| 210.96.31.0/25 | 210.96.31.0 | 210.96.31.127 | 128 | |
| 210.96.31.128/25 | 210.96.31.128 | 210.96.31.255 | 128 | |
| 210.96.61.128/25 | 210.96.61.128 | 210.96.61.255 | 128 | |
| 210.96.84.0/24 | 210.96.84.0 | 210.96.84.255 | 256 | |
| 210.96.115.0/24 | 210.96.115.0 | 210.96.115.255 | 256 | |
| 210.96.121.0/25 | 210.96.121.0 | 210.96.121.127 | 128 | |
| 210.96.121.128/25 | 210.96.121.128 | 210.96.121.255 | 128 | |
| 210.97.6.0/24 | 210.97.6.0 | 210.97.6.255 | 256 | |
| 210.97.119.0/24 | 210.97.119.0 | 210.97.119.255 | 256 | |
| 210.99.10.0/24 | 210.99.10.0 | 210.99.10.255 | 256 | |
| 210.99.84.0/25 | 210.99.84.0 | 210.99.84.127 | 128 | |
| 210.99.154.0/25 | 210.99.154.0 | 210.99.154.127 | 128 | |
| 210.99.158.0/24 | 210.99.158.0 | 210.99.158.255 | 256 | |
| 210.99.159.0/24 | 210.99.159.0 | 210.99.159.255 | 256 | |
| 210.99.168.0/24 | 210.99.168.0 | 210.99.168.255 | 256 | |
| 210.100.136.0/24 | 210.100.136.0 | 210.100.136.255 | 256 | |
| 210.100.168.0/24 | 210.100.168.0 | 210.100.168.255 | 256 | |
| 210.100.214.0/24 | 210.100.214.0 | 210.100.214.255 | 256 | |
| 210.100.230.128/25 | 210.100.230.128 | 210.100.230.255 | 128 | |
| 210.103.52.128/25 | 210.103.52.128 | 210.103.52.255 | 128 | |
| 210.103.55.0/24 | 210.103.55.0 | 210.103.55.255 | 256 | |
| 210.103.111.0/24 | 210.103.111.0 | 210.103.111.255 | 256 | |
| 210.103.115.0/25 | 210.103.115.0 | 210.103.115.127 | 128 | |
| 210.103.115.128/25 | 210.103.115.128 | 210.103.115.255 | 128 | |
| 210.104.8.0/24 | 210.104.8.0 | 210.104.8.255 | 256 | |
| 210.104.9.0/24 | 210.104.9.0 | 210.104.9.255 | 256 | |
| 210.104.10.0/24 | 210.104.10.0 | 210.104.10.255 | 256 | |
| 210.104.11.0/24 | 210.104.11.0 | 210.104.11.255 | 256 | |
| 210.104.12.0/24 | 210.104.12.0 | 210.104.12.255 | 256 | |
| 210.104.13.0/24 | 210.104.13.0 | 210.104.13.255 | 256 | |
| 210.104.14.0/24 | 210.104.14.0 | 210.104.14.255 | 256 | |
| 210.104.15.0/24 | 210.104.15.0 | 210.104.15.255 | 256 | |
| 210.104.20.0/24 | 210.104.20.0 | 210.104.20.255 | 256 | |
| 210.104.22.0/24 | 210.104.22.0 | 210.104.22.255 | 256 | |
| 210.104.26.0/24 | 210.104.26.0 | 210.104.26.255 | 256 | |
| 210.104.27.0/24 | 210.104.27.0 | 210.104.27.255 | 256 | |
| 210.104.28.0/24 | 210.104.28.0 | 210.104.28.255 | 256 | |
| 210.104.44.0/24 | 210.104.44.0 | 210.104.44.255 | 256 | |
| 210.104.102.0/24 | 210.104.102.0 | 210.104.102.255 | 256 | |
| 210.104.123.0/24 | 210.104.123.0 | 210.104.123.255 | 256 | |
| 210.104.138.0/24 | 210.104.138.0 | 210.104.138.255 | 256 | |
| 210.104.218.0/24 | 210.104.218.0 | 210.104.218.255 | 256 | |
| 210.104.237.0/24 | 210.104.237.0 | 210.104.237.255 | 256 | |
| 210.104.243.0/25 | 210.104.243.0 | 210.104.243.127 | 128 | |
| 210.117.195.0/25 | 210.117.195.0 | 210.117.195.127 | 128 | |
| 210.117.195.128/25 | 210.117.195.128 | 210.117.195.255 | 128 | |
| 210.117.199.0/25 | 210.117.199.0 | 210.117.199.127 | 128 | |
| 210.117.199.128/25 | 210.117.199.128 | 210.117.199.255 | 128 | |
| 210.119.249.0/24 | 210.119.249.0 | 210.119.249.255 | 256 | |
| 210.119.250.0/24 | 210.119.250.0 | 210.119.250.255 | 256 | |
| 210.178.35.0/25 | 210.178.35.0 | 210.178.35.127 | 128 | |
| 210.178.187.0/24 | 210.178.187.0 | 210.178.187.255 | 256 | |
| 210.179.87.0/24 | 210.179.87.0 | 210.179.87.255 | 256 | |
| 210.179.88.0/24 | 210.179.88.0 | 210.179.88.255 | 256 | |
| 210.179.139.128/25 | 210.179.139.128 | 210.179.139.255 | 128 | |
| 210.179.140.0/24 | 210.179.140.0 | 210.179.140.255 | 256 | |
| 210.179.141.0/24 | 210.179.141.0 | 210.179.141.255 | 256 | |
| 210.179.159.0/24 | 210.179.159.0 | 210.179.159.255 | 256 | |
| 210.179.177.0/25 | 210.179.177.0 | 210.179.177.127 | 128 | |
| 210.179.218.0/24 | 210.179.218.0 | 210.179.218.255 | 256 | |
| 210.179.219.0/24 | 210.179.219.0 | 210.179.219.255 | 256 | |
| 210.204.52.128/25 | 210.204.52.128 | 210.204.52.255 | 128 | |
| 210.204.213.0/24 | 210.204.213.0 | 210.204.213.255 | 256 | |
| 210.204.226.0/24 | 210.204.226.0 | 210.204.226.255 | 256 | |
| 210.204.227.0/24 | 210.204.227.0 | 210.204.227.255 | 256 | |
| 210.211.1.0/25 | 210.211.1.0 | 210.211.1.127 | 128 | |
| 210.211.1.128/25 | 210.211.1.128 | 210.211.1.255 | 128 | |
| 210.211.15.0/24 | 210.211.15.0 | 210.211.15.255 | 256 | |
| 211.34.114.0/24 | 211.34.114.0 | 211.34.114.255 | 256 | |
| 211.34.115.0/24 | 211.34.115.0 | 211.34.115.255 | 256 | |
| 211.34.145.0/25 | 211.34.145.0 | 211.34.145.127 | 128 | |
| 211.34.145.128/25 | 211.34.145.128 | 211.34.145.255 | 128 | |
| 211.34.147.0/24 | 211.34.147.0 | 211.34.147.255 | 256 | |
| 211.34.174.0/24 | 211.34.174.0 | 211.34.174.255 | 256 | |
| 211.34.226.128/25 | 211.34.226.128 | 211.34.226.255 | 128 | |
| 211.43.142.0/24 | 211.43.142.0 | 211.43.142.255 | 256 | |
| 211.46.37.128/25 | 211.46.37.128 | 211.46.37.255 | 128 | |
| 211.46.92.0/23 | 211.46.92.0 | 211.46.93.255 | 512 | |
| 211.46.94.0/24 | 211.46.94.0 | 211.46.94.255 | 256 | |
| 211.46.95.0/24 | 211.46.95.0 | 211.46.95.255 | 256 | |
| 211.46.125.0/25 | 211.46.125.0 | 211.46.125.127 | 128 | |
| 211.46.125.128/25 | 211.46.125.128 | 211.46.125.255 | 128 | |
| 211.46.253.128/25 | 211.46.253.128 | 211.46.253.255 | 128 | |
| 211.57.43.0/24 | 211.57.43.0 | 211.57.43.255 | 256 | |
| 211.57.54.0/25 | 211.57.54.0 | 211.57.54.127 | 128 | |
| 211.57.60.0/25 | 211.57.60.0 | 211.57.60.127 | 128 | |
| 211.114.15.0/24 | 211.114.15.0 | 211.114.15.255 | 256 | |
| 211.114.27.0/24 | 211.114.27.0 | 211.114.27.255 | 256 | |
| 211.114.36.0/24 | 211.114.36.0 | 211.114.36.255 | 256 | |
| 211.114.101.0/24 | 211.114.101.0 | 211.114.101.255 | 256 | |
| 211.114.171.0/24 | 211.114.171.0 | 211.114.171.255 | 256 | |
| 211.184.16.0/24 | 211.184.16.0 | 211.184.16.255 | 256 | |
| 211.184.69.0/25 | 211.184.69.0 | 211.184.69.127 | 128 | |
| 211.185.244.0/24 | 211.185.244.0 | 211.185.244.255 | 256 | |
| 211.185.245.0/24 | 211.185.245.0 | 211.185.245.255 | 256 | |
| 211.236.67.0/24 | 211.236.67.0 | 211.236.67.255 | 256 | |
| 211.236.102.0/25 | 211.236.102.0 | 211.236.102.127 | 128 | |
| 211.236.105.0/25 | 211.236.105.0 | 211.236.105.127 | 128 | |
| 211.236.106.0/24 | 211.236.106.0 | 211.236.106.255 | 256 | |
| 211.236.118.0/24 | 211.236.118.0 | 211.236.118.255 | 256 | |
| 211.236.120.0/24 | 211.236.120.0 | 211.236.120.255 | 256 | |
| 211.236.123.0/24 | 211.236.123.0 | 211.236.123.255 | 256 | |
| 211.236.124.0/24 | 211.236.124.0 | 211.236.124.255 | 256 | |
| 211.248.61.0/25 | 211.248.61.0 | 211.248.61.127 | 128 | |
| 211.251.248.128/25 | 211.251.248.128 | 211.251.248.255 | 128 | |
| 211.252.159.0/25 | 211.252.159.0 | 211.252.159.127 | 128 | |
| 211.252.223.0/24 | 211.252.223.0 | 211.252.223.255 | 256 | |
| 211.252.239.0/24 | 211.252.239.0 | 211.252.239.255 | 256 | |
| 211.253.65.0/24 | 211.253.65.0 | 211.253.65.255 | 256 | |
| 211.253.67.0/24 | 211.253.67.0 | 211.253.67.255 | 256 | |
| 211.253.88.0/25 | 211.253.88.0 | 211.253.88.127 | 128 | |
| 211.253.111.0/25 | 211.253.111.0 | 211.253.111.127 | 128 | |
| 211.253.146.128/25 | 211.253.146.128 | 211.253.146.255 | 128 | |
| 211.253.149.0/24 | 211.253.149.0 | 211.253.149.255 | 256 | |
| 211.253.150.0/24 | 211.253.150.0 | 211.253.150.255 | 256 | |
| 211.253.250.0/24 | 211.253.250.0 | 211.253.250.255 | 256 | |
| 211.255.123.0/25 | 211.255.123.0 | 211.255.123.127 | 128 | |
| 211.255.123.128/25 | 211.255.123.128 | 211.255.123.255 | 128 | |
| 221.145.178.0/24 | 221.145.178.0 | 221.145.178.255 | 256 |
| Netblock | From IP | To IP | Number of IPs |
|---|
What is an Autonomous System (AS)?
An Autonomous System (AS) is a collection of connected networks that operate under a common administrative domain and share routing policies. Each AS is identified by a unique Autonomous System Number (ASN), which is used to exchange routing information with other ASs. AS can control how traffic flows through networks and then filter out unwanted traffic.
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