42.245.205.0/24
🇨🇳IPv4APNICannouncedMOASNo ROA
CIDR
42.245.205.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
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 |
|---|---|---|---|---|
| 42.245.205.0/24 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
| 42.245.205.0/24 | AS133111CNT-northChina - CERNET New Technology Co., Ltd | No ROA | — | 5/31/2026 |
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 42.245.0.0/16 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
| 42.245.192.0/18 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
| 42.245.192.0/18 | AS133111CNT-northChina - CERNET New Technology Co., Ltd | No ROA | — | 5/31/2026 |
| 42.245.204.0/22 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
| 42.245.204.0/22 | AS133111CNT-northChina - CERNET New Technology Co., Ltd | No ROA | — | 5/31/2026 |
Origin ASNs (2)
AS4538MOAS
ERX-CERNET-BKB - China Education and Research Network Center
AS133111MOAS
CNT-northChina - CERNET New Technology Co., Ltd
Geolocation
API
Open https://api.ipctl.io/v1/prefix/42.245.205.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/42.245.205.0/24" | jq
External Links