42.247.0.0/19
🇨🇳IPv4APNICannouncedMOASNo ROA
CIDR
42.247.0.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇨🇳 China
City
Wuhan (Hongshan 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 |
|---|---|---|---|---|
| 42.247.0.0/19 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 6/1/2026 |
| 42.247.0.0/19 | AS24361CNGI-NJ-IX-AS-AP - CERNET2 IX at Southeast University | No ROA | — | 6/1/2026 |
Covering Prefix
16 less-specific announcementsMore Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 42.247.0.0/24 | 🇨🇳CN | assigned | |
| 42.247.1.0/24 | AS4538 | 🇨🇳CN | assigned |
| 42.247.18.0/24 | AS4538 | 🇨🇳CN | assigned |
| 42.247.30.0/24 | AS4538 | 🇨🇳CN | assigned |
| 42.247.11.0/24 | 🇨🇳CN | assigned |
Origin ASNs (2)
AS4538MOAS
ERX-CERNET-BKB - China Education and Research Network Center
AS24361MOAS
CNGI-NJ-IX-AS-AP - CERNET2 IX at Southeast University
Geolocation
API
Open https://api.ipctl.io/v1/prefix/42.247.0.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/42.247.0.0/19" | jq
External Links