91.123.0.0/20 - BGP Prefix
IPv4RIPE NCCallocated RPKI Valid
CIDR
91.123.0.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPE NCC
Status
allocated
Allocated
2006-11-28
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
16 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 91.123.0.0/24 | AS9009 M247 M247 Europe SRL | Valid | - | 2026-10-11 |
| 91.123.1.0/24 | AS9009 M247 M247 Europe SRL | Valid | - | 2026-10-11 |
| 91.123.2.0/24 | AS9009 M247 M247 Europe SRL | Valid | - | 2026-10-11 |
| 91.123.3.0/24 | AS9009 M247 M247 Europe SRL | Valid | - | 2026-10-11 |
| 91.123.4.0/24 | AS9009 M247 M247 Europe SRL | Valid | - | 2026-10-11 |
| 91.123.5.0/24 | AS9009 M247 M247 Europe SRL | Valid | - | 2026-10-11 |
| 91.123.6.0/24 | AS9009 M247 M247 Europe SRL | Valid | - | 2026-10-11 |
| 91.123.7.0/24 | AS9009 M247 M247 Europe SRL | Valid | - | 2026-10-11 |
| 91.123.8.0/24 | AS262287 Latitude.sh LTDA | Valid | - | 2026-10-11 |
| 91.123.9.0/24 | AS396356 LATITUDE-SH - Latitude.sh | Valid | - | 2026-10-11 |
| 91.123.10.0/24 | AS262287 Latitude.sh LTDA | Valid | - | 2026-10-11 |
| 91.123.11.0/24 | AS262287 Latitude.sh LTDA | Valid | - | 2026-10-11 |
| 91.123.12.0/24 | AS212238 CDNEXT Datacamp Limited | Valid | - | 2026-10-11 |
| 91.123.13.0/24 | AS212238 CDNEXT Datacamp Limited | Valid | - | 2026-10-11 |
| 91.123.14.0/24 | AS212238 CDNEXT Datacamp Limited | Valid | - | 2026-10-11 |
| 91.123.15.0/24 | AS212238 CDNEXT Datacamp Limited | Valid | - | 2026-10-11 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 91.123.0.0/21 | 🇳🇱NL | assigned | |
| 91.123.0.0/22 | 🇬🇧GB | assigned | |
| 91.123.4.0/22 | 🇬🇧GB | assigned | |
| 91.123.8.0/21 | 🇳🇱NL | assigned | |
| 91.123.8.0/22 | 🇦🇺AU | assigned | |
| 91.123.12.0/22 | 🇦🇺AU | assigned |
Transfer History
Registry transfers of 91.123.0.0/20, blocks inside it, or blocks containing it.
- 91.123.0.0/20Transfer ·
- 91.123.0.0/20Transfer ·
Geolocation
Country🇬🇧United KingdomGB
CityLondon
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/91.123.0.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/91.123.0.0/20" | jq
External Links