2a00:2200::/25 - BT British Telecommunications Limited (AS5400)
CIDR
2a00:2200::/25
IP Version
IPv6
Addresses
10141204.8Y
Mask
/25
Country
🇬🇧 United Kingdom
City
London
RIR
RIPE NCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2a00:2200::/25 | AS5400 BT British Telecommunications Limited | Valid | RIPE | 2026-10-11 |
More-Specific Announcements
7 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2a00:2200:200::/40 | AS5400 BT British Telecommunications Limited | Valid | - | 2026-10-11 |
| 2a00:2200:300::/40 | AS5400 BT British Telecommunications Limited | Valid | - | 2026-10-11 |
| 2a00:2200:900::/40 | AS5400 BT British Telecommunications Limited | Valid | - | 2026-10-11 |
| 2a00:2200:b00::/40 | AS5400 BT British Telecommunications Limited | Valid | - | 2026-10-11 |
| 2a00:2200:d00::/40 | AS5400 BT British Telecommunications Limited | Valid | - | 2026-10-11 |
| 2a00:2200:2000::/40 | AS5400 BT British Telecommunications Limited | Valid | - | 2026-10-11 |
| 2a00:2200:5300::/40 | AS5400 BT British Telecommunications Limited | Valid | - | 2026-10-11 |
Related Prefixes
Geolocation
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/2a00:2200::/25Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2a00:2200::/25" | jq
External Links