2a00:2000::/23 - BT British Telecommunications Limited (AS5400)
CIDR
2a00:2000::/23
IP Version
IPv6
Addresses
40564819.2Y
Mask
/23
Country
🇳🇱 The Netherlands
City
Amsterdam (Amsterdam-Zuidoost)
RIR
RIPE NCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2a00:2000::/23 | AS5400 BT British Telecommunications Limited | Valid | RIPE | 2026-10-11 |
More-Specific Announcements
16 more-specific announcementsRPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 2a00:2000::/23 | AS5400 | /23 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS5400 | RIPE | CIP-MNT | 2024-04-05 |
More Specific Prefixes
Related Prefixes
Geolocation
Country🇳🇱The NetherlandsNL
RegionNorth Holland
CityAmsterdam (Amsterdam-Zuidoost)
Coordinates52.3079, 4.9433 ↗
Abuse Contact
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/2a00:2000::/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2a00:2000::/23" | jq
External Links