219.158.16.0/20 - CHINA UNICOM China169 Backbone (AS4837)
CIDR
219.158.16.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇨🇳 China
City
Jinrongjie (Xicheng 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 |
|---|---|---|---|---|
| 219.158.16.0/20 | AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone | No ROA | APNICOther IRR | 2026-10-13 |
More-Specific Announcements
1 more-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 219.158.26.0/24 | AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone | Valid | - | 2026-10-13 |
Related Prefixes
More prefixes of AS4837
All prefixes of AS4837 →Geolocation
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/219.158.16.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/219.158.16.0/20" | jq
External Links