2001:4500:1000::/40
🇹🇼CIDR
2001:4500:1000::/40
IP Version
IPv6
Addresses
309.4Y
Mask
/40
Country
🇹🇼 Taiwan
City
Taipei
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2001:4500:1000::/40 | AS7539TWAREN-TW - National Center for High-performance Computing | Valid | APNIC | 5/30/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2001:4500::/32 | AS18183NCREE - National Center for Research on Earthquake Engineering | Valid | — | 5/30/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/2001:4500:1000::/40Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2001:4500:1000::/40" | jq
External Links