175.185.0.0/16
🇨🇳CIDR
175.185.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇨🇳 China
City
Shanghai
RIR
APNIC
Status
allocated
Allocated
1/28/2010
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 175.185.0.0/16 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | APNICRADB | 5/30/2026 |
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 175.185.64.0/18 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/30/2026 |
| 175.185.64.0/18 | AS24365CNGI-SH-IX2-AS-AP - CERNET2 IX at Fudan University | No ROA | — | 5/30/2026 |
| 175.185.0.0/20 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/30/2026 |
| 175.185.16.0/20 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/30/2026 |
| 175.185.16.0/20 | AS24364CNGI-SH-IX-AS-AP - CERNET2 IX at Shanghai Jiaotong University | No ROA | — | 5/30/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/175.185.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/175.185.0.0/16" | jq
External Links