121.11.16.0/20
🇨🇳CIDR
121.11.16.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇨🇳 China
City
Beijing
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.11.16.0/20 | AS140308CHINATELECOM-GUANGDONG-ZHUHAI-5G-NETWORK - CHINATELECOM Guangdong province Zhuhai 5G network | No ROA | RADB | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.8.0.0/13 | AS4134CHINANET-BACKBONE - No.31,Jin-rong Street | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS140308 | RADB | MAINT-AS4813 | 3/16/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 121.11.19.192/26 | 🇨🇳CN | assigned | |
| 121.11.19.160/27 | 🇨🇳CN | assigned | |
| 121.11.18.192/27 | 🇨🇳CN | assigned | |
| 121.11.21.144/28 | 🇨🇳CN | assigned | |
| 121.11.18.16/29 | 🇨🇳CN | assigned | |
| 121.11.18.128/29 | 🇨🇳CN | assigned | |
| 121.11.20.88/29 | 🇨🇳CN | assigned | |
| 121.11.20.120/29 | 🇨🇳CN | assigned | |
| 121.11.16.0/29 | 🇨🇳CN | assigned | |
| 121.11.17.32/29 | 🇨🇳CN | assigned | |
| 121.11.17.80/29 | 🇨🇳CN | assigned | |
| 121.11.17.88/29 | 🇨🇳CN | assigned | |
| 121.11.18.160/29 | 🇨🇳CN | assigned | |
| 121.11.18.168/29 | 🇨🇳CN | assigned | |
| 121.11.18.224/29 | 🇨🇳CN | assigned | |
| 121.11.19.32/29 | 🇨🇳CN | assigned | |
| 121.11.20.72/29 | 🇨🇳CN | assigned | |
| 121.11.20.80/29 | 🇨🇳CN | assigned | |
| 121.11.20.176/29 | 🇨🇳CN | assigned | |
| 121.11.20.216/29 | 🇨🇳CN | assigned | |
| 121.11.20.224/29 | 🇨🇳CN | assigned | |
| 121.11.20.232/29 | 🇨🇳CN | assigned | |
| 121.11.20.240/29 | 🇨🇳CN | assigned | |
| 121.11.21.64/29 | 🇨🇳CN | assigned | |
| 121.11.21.200/29 | 🇨🇳CN | assigned | |
| 121.11.18.176/29 | 🇨🇳CN | assigned | |
| 121.11.19.0/29 | 🇨🇳CN | assigned | |
| 121.11.20.160/29 | 🇨🇳CN | assigned | |
| 121.11.20.200/29 | 🇨🇳CN | assigned | |
| 121.11.20.208/29 | 🇨🇳CN | assigned | |
| 121.11.20.184/29 | 🇨🇳CN | assigned | |
| 121.11.20.248/29 | 🇨🇳CN | assigned | |
| 121.11.20.96/29 | 🇨🇳CN | assigned | |
| 121.11.17.104/29 | 🇨🇳CN | assigned | |
| 121.11.20.104/29 | 🇨🇳CN | assigned | |
| 121.11.17.16/29 | 🇨🇳CN | assigned | |
| 121.11.17.8/29 | 🇨🇳CN | assigned | |
| 121.11.21.232/29 | 🇨🇳CN | assigned | |
| 121.11.18.184/29 | 🇨🇳CN | assigned | |
| 121.11.19.24/29 | 🇨🇳CN | assigned | |
| 121.11.16.16/29 | 🇨🇳CN | assigned | |
| 121.11.16.32/29 | 🇨🇳CN | assigned | |
| 121.11.16.40/29 | 🇨🇳CN | assigned | |
| 121.11.16.56/29 | 🇨🇳CN | assigned | |
| 121.11.17.0/29 | 🇨🇳CN | assigned | |
| 121.11.17.40/29 | 🇨🇳CN | assigned | |
| 121.11.17.48/29 | 🇨🇳CN | assigned | |
| 121.11.17.64/29 | 🇨🇳CN | assigned | |
| 121.11.17.72/29 | 🇨🇳CN | assigned | |
| 121.11.17.96/29 | 🇨🇳CN | assigned | |
| 121.11.17.120/29 | 🇨🇳CN | assigned | |
| 121.11.18.32/29 | 🇨🇳CN | assigned | |
| 121.11.18.96/29 | 🇨🇳CN | assigned | |
| 121.11.18.112/29 | 🇨🇳CN | assigned | |
| 121.11.18.120/29 | 🇨🇳CN | assigned | |
| 121.11.18.136/29 | 🇨🇳CN | assigned | |
| 121.11.18.152/29 | 🇨🇳CN | assigned | |
| 121.11.21.192/30 | 🇨🇳CN | assigned | |
| 121.11.20.136/30 | 🇨🇳CN | assigned | |
| 121.11.20.128/30 | 🇨🇳CN | assigned | |
| 121.11.18.248/30 | 🇨🇳CN | assigned | |
| 121.11.18.72/30 | 🇨🇳CN | assigned | |
| 121.11.20.168/30 | 🇨🇳CN | assigned | |
| 121.11.18.76/30 | 🇨🇳CN | assigned | |
| 121.11.18.24/30 | 🇨🇳CN | assigned | |
| 121.11.18.144/30 | 🇨🇳CN | assigned | |
| 121.11.18.28/30 | 🇨🇳CN | assigned | |
| 121.11.16.24/30 | 🇨🇳CN | assigned | |
| 121.11.16.8/30 | 🇨🇳CN | assigned | |
| 121.11.19.20/30 | 🇨🇳CN | assigned | |
| 121.11.20.140/31 | 🇨🇳CN | assigned | |
| 121.11.20.172/31 | 🇨🇳CN | assigned | |
| 121.11.20.174/32 | 🇨🇳CN | assigned | |
| 121.11.20.142/32 | 🇨🇳CN | assigned | |
| 121.11.20.132/32 | 🇨🇳CN | assigned |
Origin ASN
AS140308
CHINATELECOM-GUANGDONG-ZHUHAI-5G-NETWORK - CHINATELECOM Guangdong province Zhuhai 5G network
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.11.16.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.11.16.0/20" | jq
External Links