211.157.16.0/22 - China Telecom (Group) (AS4812)
CIDR
211.157.16.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇨🇳 China
City
Chaowai (Jianguomen Residential District)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 211.157.16.0/22 | AS4812 CHINANET-SH-AP - China Telecom (Group) | No ROA | Other IRR | 2026-10-12 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 211.157.0.0/19 | AS4808 CHINA169-BJ - China Unicom Beijing Province Network | No ROA | - | 2026-10-12 |
Related Prefixes
Geolocation
Country🇨🇳ChinaCN
RegionBeijing
CityChaowai (Jianguomen Residential District)
Coordinates39.9141, 116.4280 ↗
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/211.157.16.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/211.157.16.0/22" | jq
External Links