212.31.192.0/19 - BT British Telecommunications Limited (AS5400)
CIDR
212.31.192.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇪🇸 Spain
City
Las Rozas de Madrid
RIR
RIPE NCC
Status
allocated
Allocated
1998-09-03
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 212.31.192.0/19 | AS5400 BT British Telecommunications Limited | Valid | RIPE | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 212.31.192.0/19 | AS5400 | /19 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS5400 | RIPE | CIP-MNT | 2005-08-18 |
More Specific Prefixes
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/212.31.192.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/212.31.192.0/19" | jq
External Links