121.76.0.0/15
🇨🇳CIDR
121.76.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇨🇳 China
City
Huamu (Pudong Xinqu)
RIR
APNIC
Status
allocated
Allocated
6/16/2006
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.76.0.0/15 | AS9812CNNIC-CN-COLNET - Oriental Cable Network Co., Ltd. | No ROA | APNICRADB | 5/30/2026 |
Covering Prefix
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.76.0.0/18 | AS9812CNNIC-CN-COLNET - Oriental Cable Network Co., Ltd. | Valid | — | 5/30/2026 |
| 121.76.64.0/18 | AS9812CNNIC-CN-COLNET - Oriental Cable Network Co., Ltd. | Valid | — | 5/30/2026 |
| 121.76.128.0/18 | AS9812CNNIC-CN-COLNET - Oriental Cable Network Co., Ltd. | Valid | — | 5/30/2026 |
| 121.76.192.0/18 | AS9812CNNIC-CN-COLNET - Oriental Cable Network Co., Ltd. | Valid | — | 5/30/2026 |
| 121.77.0.0/18 | AS9812CNNIC-CN-COLNET - Oriental Cable Network Co., Ltd. | Valid | — | 5/30/2026 |
| 121.77.64.0/18 | AS9812CNNIC-CN-COLNET - Oriental Cable Network Co., Ltd. | Valid | — | 5/30/2026 |
| 121.77.128.0/18 | AS9812CNNIC-CN-COLNET - Oriental Cable Network Co., Ltd. | Valid | — | 5/30/2026 |
| 121.77.192.0/19 | AS9812CNNIC-CN-COLNET - Oriental Cable Network Co., Ltd. | Valid | — | 5/30/2026 |
| 121.77.224.0/19 | AS9812CNNIC-CN-COLNET - Oriental Cable Network Co., Ltd. | Valid | — | 5/30/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.76.0.0/15Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.76.0.0/15" | jq
External Links