| 211.0.0.0/8 | WHOIS (APNIC) | Asia Pacific Network Information Center, Pty. Ltd. | AU |
| 211.250.0.0/15 | BGP route | AS4766 Korea Telecom | — |
| 211.250.0.0/15 | APNIC assigned | — | KR |
| 211.251.0.0/20 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.251.136.0/21 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.251.216.0/21 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.0.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.4.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.8.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.12.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.16.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.20.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.24.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.28.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.32.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.36.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.40.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.44.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.48.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.52.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.56.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.60.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.64.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.68.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.72.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.76.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.80.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.84.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.88.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.92.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.96.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.100.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.104.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.108.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.112.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.116.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.120.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.124.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.128.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.132.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.136.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.140.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.144.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.148.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.152.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.156.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.160.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.164.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.168.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.172.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.176.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.250.180.0/22 | WHOIS (APNIC) | Korea Telecom | KR |
| 211.251.40.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.44.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.48.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.52.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.56.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.60.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.64.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.68.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.72.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.76.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.80.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.84.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.88.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.92.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.96.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.100.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.104.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.108.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.112.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.116.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.120.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.124.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.128.0/22 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.36.0/23 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.38.0/23 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.250.131.0/24 | BGP route | AS17841 NATIONAL INFORMATION RESOURCES SERVICE | — |
| 211.250.145.0/24 | BGP route | AS4766 Korea Telecom | — |
| 211.251.132.0/24 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.133.0/24 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.134.0/24 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.135.0/24 | BGP route | AS38692 Jeonbuk State office of Education Future Education Research Institute | — |
| 211.251.216.0/24 | BGP route | AS17584 Inchon Metropolitan Office Of Education | — |
| 211.251.217.0/24 | BGP route | AS17584 Inchon Metropolitan Office Of Education | — |
| 211.251.218.0/24 | BGP route | AS17584 Inchon Metropolitan Office Of Education | — |
| 211.251.219.0/24 | BGP route | AS17584 Inchon Metropolitan Office Of Education | — |
| 211.251.220.0/24 | BGP route | AS17584 Inchon Metropolitan Office Of Education | — |
| 211.251.221.0/24 | BGP route | AS17584 Inchon Metropolitan Office Of Education | — |
| 211.251.222.0/24 | BGP route | AS17584 Inchon Metropolitan Office Of Education | — |
| 211.251.223.0/24 | BGP route | AS17584 Inchon Metropolitan Office Of Education | — |