218.104.192.0/21 - CHINA169 GZ China Unicom IP Network China169 Guangdong Province (AS17816)
CIDR
218.104.192.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Guangzhou
RIR
APNIC
Status
allocated
Allocated
2001-09-19
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 218.104.192.0/21 | AS17816 CHINA169-GZ China Unicom IP network China169 Guangdong province | Valid | APNICOther IRR | 2026-10-11 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 218.104.128.0/17 | AS9929 CUII CHINA UNICOM Industrial Internet Backbone | No ROA | - | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 218.104.192.0/21 | AS17816 | /21 | apnic |
More Specific Prefixes
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/218.104.192.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/218.104.192.0/21" | jq
External Links