143.223.132.0/23
🇬🇧CIDR
143.223.132.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇬🇧 United Kingdom
City
London
RIR
ARIN
Status
allocated
Allocated
3/26/2025
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
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 143.223.132.0/24 | AS2856BT-UK-AS British Telecommunications PLC | No ROA | — | 6/1/2026 |
| 143.223.133.0/24 | AS20001TWC-20001-PACWEST - Charter Communications Inc | No ROA | — | 6/1/2026 |
Origin ASN
AS398735
Geolocation
API
Open https://api.ipctl.io/v1/prefix/143.223.132.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/143.223.132.0/23" | jq
External Links