163.204.0.0/16 - CHINA169 GZ China Unicom IP Network China169 Guangdong Province (AS17816)
CIDR
163.204.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇨🇳 China
City
Guangzhou
RIR
APNIC
Status
allocated
Allocated
2011-03-30
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 163.204.0.0/16 | AS17816 CHINA169-GZ China Unicom IP network China169 Guangdong province | Valid | APNICOther IRR | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 163.204.0.0/16 | AS17816 | /16 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 163.204.221.0/24 | 🇨🇳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/163.204.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/163.204.0.0/16" | jq
External Links