| CIDR | Netz-Provider | | Country | geblockte IPs |
| 1.0.0.0/11 | SKB-AS SK Broadband Co Ltd, KR |   | AU | 1 |
| 1.224.0.0/11 | AS 9318 |   | KR | 6 |
| 1.232.0.0/13 | auto-generated route object for 1.232.0.0/13 |   | KR | 4 |
| 1.240.0.0/13 | auto-generated route object for 1.240.0.0/13 |   | KR | 1 |
| 1.248.0.0/13 | auto-generated route object for 1.248.0.0/13 |   | KR | 1 |
| 112.160.0.0/12 | KT |   | KR | 4 |
| 112.160.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 3 |
| 112.168.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 1 |
| 112.176.0.0/12 | KT |   | KR | 3 |
| 114.200.0.0/13 | auto-generated route object for 114.200.0.0/13 |   | KR | 1 |
| 118.216.0.0/13 | SK Broadband |   | KR | 1 |
| 118.220.0.0/16 | Proxy-registered route object |   | KR | 1 |
| 118.32.0.0/12 | KORnet operation Center(Korea Telecom) |   | KR | 7 |
| 118.32.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 1 |
| 118.40.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 6 |
| 119.192.0.0/12 | KORnet Powered BY Korea Telecom |   | KR | 3 |
| 119.192.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 1 |
| 119.193.0.0/16 | Korea Telecom, Seoul, Korea |   | KR | 1 |
| 119.200.0.0/13 | Korea Telecom, Seoul, Korea |   | KR | 2 |
| 121.128.0.0/11 | KORNET |   | KR | 1 |
| 121.128.0.0/12 | Korea Telecom |   | KR | 1 |
| 121.144.0.0/12 | Korea Telecom |   | KR | 1 |
| 121.152.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 1 |
| 121.160.0.0/11 | KORnet Powered BY Korea Telecom |   | KR | 2 |
| 121.176.0.0/12 | Korea Telecom |   | KR | 2 |
| 121.176.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 1 |
| 121.184.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 1 |
| 124.198.0.0/17 | KIXS-AS-KR Korea Telecom, KR |   | KR | 1 |
| 125.128.0.0/11 | KORnet Powered BY Korea Telecom |   | KR | 4 |
| 125.128.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 2 |
| 125.136.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 2 |
| 14.32.0.0/13 | Korea Telecom |   | KR | 1 |
| 14.48.0.0/13 | Korea Telecom |   | KR | 2 |
| 14.56.0.0/13 | Korea Telecom |   | KR | 4 |
| 175.112.0.0/12 | auto-generated route object for 175.112.0.0/12 |   | KR | 2 |
| 175.112.0.0/13 | SKB summary |   | KR | 1 |
| 175.120.0.0/13 | SKB-AS SK Broadband Co Ltd, KR |   | KR | 1 |
| 175.192.0.0/13 | KORNET |   | KR | 3 |
| 175.200.0.0/13 | KORNET |   | KR | 3 |
| 183.104.0.0/13 | KORNET KOREA TELECOM |   | KR | 3 |
| 183.96.0.0/11 | KORnet Powered BY Korea Telecom |   | KR | 4 |
| 183.96.0.0/12 | KORNET KOREA TELECOM |   | KR | 4 |
| 183.96.0.0/13 | KORNET KOREA TELECOM |   | KR | 1 |
| 203.228.0.0/17 | KORnet Powered BY Korea Telecom |   | KR | 1 |
| 210.101.64.0/18 | KORnet operation Center(Korea Telecom) |   | KR | 3 |
| 210.114.0.0/18 | KIXS-AS-KR Korea Telecom, KR |   | KR | 1 |
| 210.183.0.0/16 | KORnet Powered BY Korea Telecom |   | KR | 1 |
| 210.91.0.0/16 | KORnet Powered BY Korea Telecom |   | KR | 2 |
| 211.186.0.0/15 | SK Broadband |   | KR | 1 |
| 211.186.112.0/20 | proxy for HANARO TELECOM route |   | KR | 1 |
| 211.192.0.0/13 | KORnet Powered BY Korea Telecom |   | KR | 1 |
| 211.208.0.0/13 | SK Broadband |   | KR | 1 |
| 211.208.0.0/14 | REACH (Customer Route) |   | KR | 1 |
| 211.216.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 1 |
| 211.250.0.0/15 | REACH (Customer Route) |   | | 1 |
| 211.250.0.0/15 | KT |   | KR | 1 |
| 211.251.0.0/16 | REACH (Customer Route) |   | KR | 1 |
| 211.252.0.0/15 | REACH (Customer Route) |   | | 5 |
| 211.252.0.0/15 | KT |   | KR | 5 |
| 211.252.0.0/16 | REACH (Customer Route) |   | KR | 1 |
| 211.253.0.0/16 | REACH (Customer Route) |   | KR | 4 |
| 211.37.128.0/18 | KIXS-AS-KR Korea Telecom, KR |   | KR | 1 |
| 211.43.0.0/17 | KT |   | KR | 1 |
| 211.43.0.0/17 | REACH (Customer Route) |   | | 1 |
| 211.54.0.0/15 | KORnet operation Center |   | KR | 1 |
| 218.144.0.0/12 | KORnet Powered BY Korea Telecom |   | KR | 2 |
| 218.144.0.0/13 | KORnet Powered BY Korea Telecom |   | KR | 1 |
| 218.152.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 1 |
| 218.48.0.0/13 | SK Broadband |   | KR | 2 |
| 218.52.0.0/14 | proxy for HANARO TELECOM route |   | KR | 2 |
| 219.248.0.0/14 | proxy for HANARO TELECOM route |   | KR | 1 |
| 220.116.0.0/14 | KORnet operation Center(Korea Telecom) |   | KR | 1 |
| 220.80.0.0/13 | KORnet operation Center(Korea Telecom) |   | AU | 2 |
| 220.88.0.0/14 | KORnet operation Center(Korea Telecom) |   | KR | 2 |
| 220.92.0.0/14 | KORnet operation Center(Korea Telecom) |   | KR | 2 |
| 221.144.0.0/12 | KORnet operation Center(Korea Telecom) |   | KR | 3 |
| 221.152.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 3 |
| 221.160.0.0/13 | KORnet Powered BY Korea Telecom |   | KR | 4 |
| 222.104.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 5 |
| 222.112.0.0/13 | Korea Telecom, Seoul, Korea |   | KR | 1 |
| 222.120.0.0/15 | Korea Telecom, Seoul, Korea |   | KR | 1 |
| 222.232.0.0/13 | REACH (Customer Route) |   | KR | 1 |
| 222.96.0.0/12 | KORnet Powered BY Korea Telecom |   | KR | 9 |
| 222.96.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 4 |
| 59.0.0.0/11 | KORNET |   | KR | 4 |
| 59.0.0.0/12 | Korea Telecom |   | KR | 3 |
| 59.0.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 1 |
| 59.16.0.0/12 | Korea Telecom |   | KR | 1 |
| 59.24.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 1 |
| 59.8.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 2 |
| 61.72.0.0/13 | KIXS-AS-KR Korea Telecom, KR |   | KR | 1 |
| 61.80.0.0/14 | KORnet operation Center(Korea Telecom) |   | KR | 2 |
| 61.98.0.0/15 | SK Broadband |   | KR | 1 |
| 61.99.0.0/16 | SKB-AS SK Broadband Co Ltd, KR |   | KR | 1 |
| 61.99.128.0/17 | REACH (Customer Route) |   | KR | 1 |