42.244.0.0/16
🇨🇳CIDR
42.244.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇨🇳 China
City
Nanjing
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 42.244.0.0/16 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | APNIC | 5/31/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 42.244.0.0/18 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
| 42.244.64.0/20 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
| 42.244.64.0/20 | AS24361CNGI-NJ-IX-AS-AP - CERNET2 IX at Southeast University | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS4538 | APNIC | MAINT-CERNET-AP | 3/14/2017 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/42.244.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/42.244.0.0/16" | jq
External Links