183.172.0.0/15
🇨🇳IPv4APNICannouncedMOASNo ROA
CIDR
183.172.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇨🇳 China
City
Haidian (Haidian Qu)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
2 of 2 routesMOAS - 2 origin ASNs
RPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 183.172.0.0/15 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
| 183.172.0.0/15 | AS24348CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University | No ROA | — | 5/31/2026 |
Covering Prefix
25 less-specific announcementsOrigin ASNs (2)
AS4538MOAS
ERX-CERNET-BKB - China Education and Research Network Center
AS24348MOAS
CNGI-BJ-IX2-AS-AP - CERNET2 IX at Tsinghua University
Geolocation
API
Open https://api.ipctl.io/v1/prefix/183.172.0.0/15Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/183.172.0.0/15" | jq
External Links