148.252.0.0/21
🇬🇧IPv4RIPENCCassignedNo ROA
CIDR
148.252.0.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPENCC
Status
assigned
Allocated
9/1/1993
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
6 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 148.252.1.0/24 | AS1273CW - IDDQD-AS | No ROA | — | 6/13/2026 |
| 148.252.2.0/24 | AS1273CW - IDDQD-AS | No ROA | — | 6/13/2026 |
| 148.252.5.0/24 | AS1273CW - IDDQD-AS | Valid | — | 6/13/2026 |
| 148.252.6.0/24 | AS1273CW - IDDQD-AS | Valid | — | 6/13/2026 |
| 148.252.3.0/24 | AS2856BT-UK-AS British Telecommunications PLC | No ROA | — | 6/13/2026 |
| 148.252.7.0/24 | AS2856BT-UK-AS British Telecommunications PLC | No ROA | — | 6/13/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 148.252.2.0/24 | AS1273 | 🇬🇧GB | assigned |
| 148.252.4.0/24 | 🇬🇧GB | assigned | |
| 148.252.1.0/24 | AS1273 | 🇬🇧GB | assigned |
| 148.252.6.0/24 | AS1273 | 🇬🇧GB | assigned |
| 148.252.5.0/24 | AS1273 | 🇬🇧GB | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/148.252.0.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/148.252.0.0/21" | jq
External Links