210.121.0.0/16
23 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 210.121.0.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.24.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.48.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.64.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.72.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.107.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.128.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.131.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.141.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.152.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.160.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.164.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.165.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.190.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.191.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.201.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.202.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.209.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.210.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.213.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.214.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.221.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 210.121.222.0/24 | South Korea (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
210.121.0.0 – 210.121.23.255 | AS45374 | CCS | KR |
210.121.24.0 – 210.121.47.255 | AS9848 | SEJONG NETWORKS | KR |
210.121.48.0 – 210.121.63.255 | AS9848 | SEJONG NETWORKS | KR |
210.121.64.0 – 210.121.71.255 | AS9848 | SEJONG NETWORKS | KR |
210.121.72.0 – 210.121.106.255 | AS45374 | CCS | KR |
210.121.107.0 – 210.121.127.255 | AS45374 | CCS | KR |
210.121.128.0 – 210.121.130.255 | AS4766 | Korea Telecom | KR |
210.121.131.0 – 210.121.140.255 | AS55627 | Dongduk Womens University | KR |
210.121.141.0 – 210.121.151.255 | AS4766 | Korea Telecom | KR |
210.121.152.0 – 210.121.159.255 | AS18176 | KOOKMIN UNIVERSITY | KR |
210.121.160.0 – 210.121.163.255 | AS4766 | Korea Telecom | KR |
210.121.164.0 – 210.121.164.255 | AS45382 | Hostcenter | KR |
210.121.165.0 – 210.121.189.255 | AS4766 | Korea Telecom | KR |
210.121.190.0 – 210.121.190.255 | AS55592 | Korea Data Telecommunication Co. Ltd. | KR |
210.121.191.0 – 210.121.200.255 | AS4766 | Korea Telecom | KR |
8 more ranges in this block.