203.80.144.0/20 - CHINA UNICOM China169 Backbone (AS4837)
CIDR
203.80.144.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇨🇳 China
City
Shanghai
RIR
APNIC
Status
allocated
Allocated
2006-01-03
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.80.144.0/20 | AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone | No ROA | Other IRR | 2026-10-12 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS4837 | Other IRR | MAINT-AS58453 | 2023-11-13 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 203.80.144.0/21 | 🇨🇳CN | assigned | |
| 203.80.144.0/24 | 🇨🇳CN | assigned | |
| 203.80.145.0/24 | 🇨🇳CN | assigned | |
| 203.80.152.0/21 | 🇨🇳CN | assigned | |
| 203.80.152.0/22 | 🇨🇳CN | assigned | |
| 203.80.156.0/22 | 🇨🇳CN | assigned |
Related Prefixes
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/203.80.144.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.80.144.0/20" | jq
External Links