121.77.224.0/19
🇨🇳CIDR
121.77.224.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇨🇳 China
City
Huamu (Pudong Xinqu)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.77.224.0/19 | AS9812CNNIC-CN-COLNET - Oriental Cable Network Co., Ltd. | Valid | — | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.76.0.0/15 | AS9812CNNIC-CN-COLNET - Oriental Cable Network Co., Ltd. | No ROA | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 121.77.224.0/19 | AS9812 | /19 | apnic |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.77.224.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.77.224.0/19" | jq
External Links