All IP Ranges › 121.0.0.0/8
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|
| 121.128.0.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 121.128.28.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 121.128.30.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 121.128.55.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 121.128.56.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 121.128.97.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 121.128.98.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 121.128.166.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 121.128.167.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 121.128.219.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 121.128.220.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 121.128.224.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 121.128.226.0/24 | South Korea (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|
121.128.0.0 – 121.128.27.255 | AS4766 | Korea Telecom | KR |
121.128.28.0 – 121.128.29.255 | AS4790 | Chosun ilbo Inc. | KR |
121.128.30.0 – 121.128.54.255 | AS4766 | Korea Telecom | KR |
121.128.55.0 – 121.128.55.255 | AS9647 | Seoul Metropolitan Government | KR |
121.128.56.0 – 121.128.96.255 | AS4766 | Korea Telecom | KR |
121.128.97.0 – 121.128.97.255 | AS152214 | Korean Air Lines | KR |
121.128.98.0 – 121.128.165.255 | AS4766 | Korea Telecom | KR |
121.128.166.0 – 121.128.166.255 | AS4790 | Chosun ilbo Inc. | KR |
121.128.167.0 – 121.128.218.255 | AS4766 | Korea Telecom | KR |
121.128.219.0 – 121.128.219.255 | AS9647 | Seoul Metropolitan Government | KR |
121.128.220.0 – 121.128.223.255 | AS4766 | Korea Telecom | KR |
121.128.224.0 – 121.128.225.255 | AS38122 | Seoul Guarantee Insurance Company | KR |
121.128.226.0 – 121.129.48.255 | AS4766 | Korea Telecom | KR |