218.21.252.0/23 - UNICOM InnerMongolia Province Network (AS139007)
IPv4APNICannouncedAS139007UNICOM-NM-WuLanChaBu-IDC - UNICOM InnerMongolia province network RPKI Valid
CIDR
218.21.252.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇨🇳 China
City
Hohhot
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 218.21.252.0/23 | AS139007 UNICOM-NM-WuLanChaBu-IDC - UNICOM InnerMongolia province network | Valid | APNIC | 2026-10-12 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 218.21.128.0/17 | AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone | Valid | - | 2026-10-12 |
| 218.21.240.0/20 | AS4837 CHINA169-Backbone - CHINA UNICOM China169 Backbone | Valid | - | 2026-10-12 |
RPKI ROAs
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 218.21.252.0/26 | 🇨🇳CN | assigned | |
| 218.21.252.65/32 | 🇨🇳CN | assigned | |
| 218.21.252.66/32 | 🇨🇳CN | assigned | |
| 218.21.252.67/32 | 🇨🇳CN | assigned | |
| 218.21.252.68/32 | 🇨🇳CN | assigned | |
| 218.21.252.69/32 | 🇨🇳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/218.21.252.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/218.21.252.0/23" | jq
External Links