217.15.64.0/20 - BT UK British Telecommunications Limited (AS2856)
CIDR
217.15.64.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇬🇧 United Kingdom
City
Newcastle upon Tyne
RIR
RIPE NCC
Status
allocated
Allocated
2000-09-06
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 217.15.64.0/20 | AS2856 BT-UK-AS British Telecommunications Limited | Valid | RIPE | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 217.15.64.0/20 | AS2856 | /20 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS2856 | RIPE | BTENT-MNT | 2024-02-16 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 217.15.64.0/23 | 🇬🇧GB | assigned | |
| 217.15.66.0/24 | 🇬🇧GB | assigned | |
| 217.15.67.0/24 | 🇬🇧GB | 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/217.15.64.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/217.15.64.0/20" | jq
External Links