220.249.72.0/21 - CHINA UNICOM Industrial Internet Backbone (AS9929)
CIDR
220.249.72.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Huangshi (Daye Shi)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 220.249.72.0/21 | AS9929 CUII - CHINA UNICOM Industrial Internet Backbone | Valid | - | 2026-10-12 |
Related Announcements
2 less-specific, 4 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 220.249.64.0/18 | AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone | Valid | - | 2026-10-12 |
| 220.249.64.0/20 | AS9929 CUII - CHINA UNICOM Industrial Internet Backbone | Valid | - | 2026-10-12 |
| 220.249.72.0/24 | AS9929 CUII - CHINA UNICOM Industrial Internet Backbone | Valid | - | 2026-10-12 |
| 220.249.74.0/24 | AS9929 CUII - CHINA UNICOM Industrial Internet Backbone | Valid | - | 2026-10-12 |
| 220.249.75.0/24 | AS9929 CUII - CHINA UNICOM Industrial Internet Backbone | Valid | - | 2026-10-12 |
| 220.249.78.0/23 | AS9929 CUII - CHINA UNICOM Industrial Internet Backbone | Valid | - | 2026-10-12 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 220.249.72.0/23 | 🇨🇳CN | assigned | |
| 220.249.74.0/23 | 🇨🇳CN | assigned | |
| 220.249.76.0/23 | 🇨🇳CN | assigned | |
| 220.249.78.0/23 | AS9929 | 🇨🇳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/220.249.72.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/220.249.72.0/21" | jq
External Links