163.53.52.0/22 - BGP Prefix
IPv4APNICallocated
CIDR
163.53.52.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇨🇳 China
City
Beijing
RIR
APNIC
Status
allocated
Allocated
2014-07-09
RPKI ROAs
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS51847 | Other IRR | MAINT-NEAROUTE | 2026-03-23 |
Transfer History
Registry transfers of 163.53.52.0/22, blocks inside it, or blocks containing it.
- 163.53.52.0/22Transfer ·
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/163.53.52.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/163.53.52.0/22" | jq
External Links