| 211.223.208.0/20 | KORNET-KR | Korea Telecom, KR211.220.0.0/14 |
| 220.66.171.0/24 | KREN-KR | Korean Education Network, KR220.66.0.0/15 |
| 220.66.172.0/22 | KREN-KR | Korean Education Network, KR220.66.0.0/15 |
| 220.66.176.0/22 | KREN-KR | Korean Education Network, KR220.66.0.0/15 |
| 220.66.180.0/24 | KREN-KR | Korean Education Network, KR220.66.0.0/15 |
| 220.149.68.0/24 | KREN-KR | Korean Education Network, KR220.149.0.0/16 |
| 220.149.69.0/24 | KREN-KR | Korean Education Network, KR220.149.0.0/16 |
| 220.149.70.0/24 | KREN-KR | Korean Education Network, KR220.149.0.0/16 |
| 220.149.71.0/24 | KREN-KR | Korean Education Network, KR220.149.0.0/16 |
uu: 3786, 4766 u4: 3786, 4766 u6: dd: d4: d6: