211.137.104.0/21
🇨🇳CIDR
211.137.104.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Guangzhou
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 211.137.104.0/21 | AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. | Valid | APNIC | 6/1/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 211.136.0.0/13 | AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. | No ROA | — | 6/1/2026 |
| 211.137.96.0/20 | AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. | Valid | — | 6/1/2026 |
| 211.137.109.0/24 | AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. | Valid | — | 6/1/2026 |
RPKI ROAs
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS9808 | APNIC | MAINT-CN-CMCC | 12/10/2021 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 211.137.104.40/30 | 🇨🇳CN | assigned | |
| 211.137.106.12/30 | 🇨🇳CN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/211.137.104.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/211.137.104.0/21" | jq
External Links