| 61.0.0.0/8 | WHOIS (APNIC) | Asia Pacific Network Information Center, Pty. Ltd. | AU |
| 61.72.0.0/13 | BGP route | AS4766 Korea Telecom | — |
| 61.72.0.0/14 | WHOIS (APNIC) | Korea Telecom | KR |
| 61.72.0.0/14 | APNIC assigned | — | KR |
| 61.76.0.0/15 | WHOIS (APNIC) | Korea Telecom | KR |
| 61.76.0.0/15 | APNIC assigned | — | KR |
| 61.78.0.0/15 | WHOIS (APNIC) | Korea Telecom | KR |
| 61.78.0.0/15 | APNIC assigned | — | KR |
| 61.72.180.0/22 | BGP route | AS4766 Korea Telecom | — |
| 61.72.126.0/23 | BGP route | AS18031 Sangmyung University | — |
| 61.72.128.0/23 | BGP route | AS18031 Sangmyung University | — |
| 61.77.180.0/23 | BGP route | AS4766 Korea Telecom | — |
| 61.72.46.0/24 | BGP route | AS152221 YonhapnewsTV | — |
| 61.72.179.0/24 | BGP route | AS4766 Korea Telecom | — |
| 61.72.224.0/24 | BGP route | AS17841 NATIONAL INFORMATION RESOURCES SERVICE | — |
| 61.72.225.0/24 | BGP route | AS17841 NATIONAL INFORMATION RESOURCES SERVICE | — |
| 61.72.226.0/24 | BGP route | AS17841 NATIONAL INFORMATION RESOURCES SERVICE | — |
| 61.72.230.0/24 | BGP route | AS17841 NATIONAL INFORMATION RESOURCES SERVICE | — |
| 61.72.238.0/24 | BGP route | AS17841 NATIONAL INFORMATION RESOURCES SERVICE | — |
| 61.72.239.0/24 | BGP route | AS17841 NATIONAL INFORMATION RESOURCES SERVICE | — |
| 61.73.57.0/24 | BGP route | AS18031 Sangmyung University | — |
| 61.73.184.0/24 | BGP route | AS55615 DOUZONEBIZON | — |
| 61.73.185.0/24 | BGP route | AS55615 DOUZONEBIZON | — |
| 61.73.212.0/24 | BGP route | AS55615 DOUZONEBIZON | — |
| 61.74.92.0/24 | BGP route | AS9318 SK Broadband Co Ltd | — |
| 61.74.93.0/24 | BGP route | AS9318 SK Broadband Co Ltd | — |
| 61.74.94.0/24 | BGP route | AS9318 SK Broadband Co Ltd | — |
| 61.74.191.0/24 | BGP route | AS38427 FORCETEC Co., LTD. | — |
| 61.75.198.0/24 | BGP route | AS9631 youngsan university | — |
| 61.75.199.0/24 | BGP route | AS9631 youngsan university | — |
| 61.75.200.0/24 | BGP route | AS9631 youngsan university | — |
| 61.75.201.0/24 | BGP route | AS9631 youngsan university | — |
| 61.75.253.0/24 | BGP route | AS38427 FORCETEC Co., LTD. | — |
| 61.75.254.0/24 | BGP route | AS38427 FORCETEC Co., LTD. | — |
| 61.76.89.0/24 | BGP route | AS152283 Korea Elevator Safety Agency | — |
| 61.76.236.0/24 | BGP route | AS9631 youngsan university | — |
| 61.76.237.0/24 | BGP route | AS9631 youngsan university | — |
| 61.76.238.0/24 | BGP route | AS9631 youngsan university | — |
| 61.76.239.0/24 | BGP route | AS9631 youngsan university | — |
| 61.77.19.0/24 | BGP route | AS38408 GYEONGGI PROVINCIAL ANYANG OFFICE OF EDUCATION | — |
| 61.77.29.0/24 | BGP route | AS38403 GunpoUiwang Office of Education | — |
| 61.77.45.0/24 | BGP route | AS38406 Kyeonggi-Do Hwaseong Office of Education | — |
| 61.77.120.0/24 | BGP route | AS38411 Yongin office of education | — |
| 61.78.0.0/24 | BGP route | AS55615 DOUZONEBIZON | — |
| 61.78.12.0/24 | BGP route | AS55615 DOUZONEBIZON | — |
| 61.78.51.0/24 | BGP route | AS55593 netmarble | — |
| 61.78.74.0/24 | BGP route | AS10185 Hana Bank Co. | — |
| 61.78.113.0/24 | BGP route | AS4766 Korea Telecom | — |
| 61.78.114.0/24 | BGP route | AS4766 Korea Telecom | — |
| 61.78.115.0/24 | BGP route | AS4766 Korea Telecom | — |
| 61.78.157.0/24 | BGP route | AS9784 kbcard | — |
| 61.79.37.0/24 | BGP route | AS152283 Korea Elevator Safety Agency | — |
| 61.79.88.0/24 | BGP route | AS38403 GunpoUiwang Office of Education | — |
| 61.79.244.0/24 | BGP route | AS38110 Chungwoon University | — |
| 61.79.245.0/24 | BGP route | AS38110 Chungwoon University | — |
| 61.79.246.0/24 | BGP route | AS38391 Gyeonggi provincial gimpo office of education | — |
| 61.79.247.0/24 | BGP route | AS38404 Gyeonggi Provincial Bucheon Office of Education | — |