2001:da8:fd00::/40
🇨🇳CIDR
2001:da8:fd00::/40
IP Version
IPv6
Addresses
309.4Y
Mask
/40
Country
🇨🇳 China
City
Haidian (Haidian Qu)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2001:da8:fd00::/40 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/30/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2001:da8::/32 | AS23910CNGI-CERNET2-AS-AP - China Next Generation Internet CERNET2 | No ROA | — | 5/30/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/2001:da8:fd00::/40Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2001:da8:fd00::/40" | jq
External Links