61.51.0.0/20 - China Unicom Beijing Province Network (AS4808)
CIDR
61.51.0.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇨🇳 China
City
Jingshan (Dongcheng District)
RIR
APNIC
Status
assigned
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 61.51.0.0/20 | AS4808 CHINA169-BJ - China Unicom Beijing Province Network | Valid | - | 2026-10-12 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 61.51.0.0/16 | AS4808 CHINA169-BJ - China Unicom Beijing Province Network | Valid | - | 2026-10-12 |
| 61.51.0.0/18 | AS4808 CHINA169-BJ - China Unicom Beijing Province Network | Valid | - | 2026-10-12 |
Related Prefixes
More prefixes of AS4808
All prefixes of AS4808 →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/61.51.0.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/61.51.0.0/20" | jq
External Links