217.12.0.0/20 - BGP Prefix
IPv4RIPE NCCallocatedNo ROA
CIDR
217.12.0.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPE NCC
Status
allocated
Allocated
2000-08-07
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
5 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 217.12.2.0/23 | AS34010 YAHOO-IRD Yahoo-UK Limited | No ROA | - | 2026-10-12 |
| 217.12.4.0/22 | AS34010 YAHOO-IRD Yahoo-UK Limited | No ROA | - | 2026-10-12 |
| 217.12.8.0/22 | AS34010 YAHOO-IRD Yahoo-UK Limited | No ROA | - | 2026-10-12 |
| 217.12.12.0/22 | AS34010 YAHOO-IRD Yahoo-UK Limited | No ROA | - | 2026-10-12 |
| 217.12.15.0/24 | AS34010 YAHOO-IRD Yahoo-UK Limited | No ROA | - | 2026-10-12 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS15635 | RIPE | YAHOO-MNT | 2001-09-22 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 217.12.0.0/23 | 🇬🇧GB | assigned | |
| 217.12.2.0/24 | 🇬🇧GB | assigned | |
| 217.12.3.0/24 | 🇬🇧GB | assigned | |
| 217.12.4.0/24 | 🇬🇧GB | assigned | |
| 217.12.5.0/24 | 🇬🇧GB | assigned | |
| 217.12.6.0/24 | 🇬🇧GB | assigned | |
| 217.12.7.0/24 | 🇬🇧GB | assigned | |
| 217.12.8.0/21 | 🇬🇧GB | assigned |
Geolocation
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/217.12.0.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/217.12.0.0/20" | jq
External Links