121.1.0.0/16
4 assigned ranges in this /16.
/24 breakdown
| Block | Top country | Countries | ASNs | Ranges |
|---|---|---|---|---|
| 121.1.0.0/24 | Philippines (100%) | 1 | 1 | 1 |
| 121.1.56.0/24 | Philippines (100%) | 1 | 1 | 1 |
| 121.1.64.0/24 | South Korea (100%) | 1 | 1 | 1 |
| 121.1.128.0/24 | Japan (100%) | 1 | 1 | 1 |
Assigned ranges
| Range | ASN | Org | Country |
|---|---|---|---|
121.1.0.0 – 121.1.55.255 | AS10139 | Smart Broadband Inc. | PH |
121.1.56.0 – 121.1.63.255 | AS10139 | Smart Broadband Inc. | PH |
121.1.64.0 – 121.1.127.255 | AS9694 | Seokyung Cable Television Co.. Ltd. | KR |
121.1.128.0 – 121.1.255.255 | AS4685 | Asahi Net | JP |