210.72.48.0/20 - Computer Network Information Center Of Chinese Academy Of Sciences (CNIC CAS) (AS7497)
IPv4APNICannouncedAS7497CSTNET-AS-AP - Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) RPKI Valid
CIDR
210.72.48.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇨🇳 China
City
Haidian (Haidian Qu)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 210.72.48.0/20 | AS7497 CSTNET-AS-AP - Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | Valid | - | 2026-10-13 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 210.72.0.0/17 | AS7497 CSTNET-AS-AP - Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) | Valid | - | 2026-10-13 |
| 210.72.32.0/19 | AS9807 GOVSTATS - Data Management Centre National Bureau of Statistics of China | Invalid | - | 2026-10-13 |
Origin ASN
AS7497
CSTNET-AS-AP - Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
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/210.72.48.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/210.72.48.0/20" | jq
External Links