173.255.144.0/21 - BGP Prefix
IPv4RIPE NCCallocated RPKI Valid
CIDR
173.255.144.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇯🇪 JE
RIR
RIPE NCC
Status
allocated
Allocated
2010-02-01
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
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 173.255.144.0/24 | AS204648 CALLIGO Calligo Limited | Valid | - | 2026-10-16 |
| 173.255.146.0/24 | AS204648 CALLIGO Calligo Limited | Valid | - | 2026-10-16 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 173.255.144.0/22 | AS204648 | 🇯🇪JE | allocated |
| 173.255.144.0/24 | AS204648 | 🇯🇪JE | assigned |
| 173.255.145.0/24 | 🇯🇪JE | assigned | |
| 173.255.146.0/24 | AS204648 | 🇬🇬GG | assigned |
| 173.255.147.0/24 | 🇬🇬GG | assigned | |
| 173.255.148.0/24 | AS206504 | 🇱🇺LU | allocated |
| 173.255.149.0/24 | AS204648 | 🇯🇪JE | allocated |
| 173.255.150.0/24 | AS206504 | 🇱🇺LU | allocated |
| 173.255.151.0/24 | AS204648 | 🇯🇪JE | allocated |
Transfer History
Registry transfers of 173.255.144.0/21, blocks inside it, or blocks containing it.
- 173.255.150.0/24Transfer ·
- 173.255.148.0/24Transfer ·
- 173.255.144.0/21inter-RIRTransfer ·
- 173.255.144.0/20M&A ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 173.255.150.0/24 | Transfer | |||
| 173.255.148.0/24 | Transfer | |||
| 173.255.144.0/21inter-RIR | Calligo Limited | Transfer | ||
| 173.255.144.0/20 | M&A |
Geolocation
Country🇯🇪JEJE
Coordinates49.2144, -2.1313 ↗
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/173.255.144.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/173.255.144.0/21" | jq
External Links