211.144.120.0/21 - Shanghai Science And Technology Network Communication Limited Company (AS17775)
IPv4APNICannouncedAS17775STN-CN - shanghai science and technology network communication limited company RPKI Valid
CIDR
211.144.120.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Hangzhou (Shangcheng 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 |
|---|---|---|---|---|
| 211.144.120.0/21 | AS17775 STN-CN - shanghai science and technology network communication limited company | Valid | Other IRR | 2026-10-12 |
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 211.144.120.0/22 | AS17775 STN-CN - shanghai science and technology network communication limited company | Valid | - | 2026-10-12 |
| 211.144.124.0/22 | AS17775 STN-CN - shanghai science and technology network communication limited company | Valid | - | 2026-10-12 |
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/211.144.120.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/211.144.120.0/21" | jq
External Links