185.249.4.0/24 - BT British Telecommunications Limited (AS5400)
CIDR
185.249.4.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇳🇱 The Netherlands
City
Amsterdam
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 |
|---|---|---|---|---|
| 185.249.4.0/24 | AS5400 BT British Telecommunications Limited | No ROA | RIPE | 2026-10-11 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS5400 | RIPE | CIP-MNT | 2018-05-16 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 185.249.4.0/25 | 🇳🇱NL | assigned |
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/185.249.4.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/185.249.4.0/24" | jq
External Links