5.133.188.0/23
🇬🇧CIDR
5.133.188.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇬🇧 United Kingdom
City
Daresbury
RIR
RIPENCC
Status
allocated
Allocated
7/5/2012
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 5.133.188.0/23 | AS25577C4L-AS MAINFRAME & CYBERNETIC SYSTEMS LIMITED | No ROA | RIPE | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS25577 | RIPE | C4L-MNT | 3/8/2025 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 5.133.188.0/24 | 🇬🇧GB | assigned | |
| 5.133.189.96/27 | 🇬🇧GB | assigned | |
| 5.133.189.224/27 | 🇬🇧GB | assigned | |
| 5.133.189.176/28 | 🇬🇧GB | assigned | |
| 5.133.189.192/28 | 🇬🇧GB | assigned | |
| 5.133.189.208/29 | 🇬🇧GB | assigned | |
| 5.133.189.80/29 | 🇬🇧GB | assigned | |
| 5.133.189.216/30 | 🇬🇧GB | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/5.133.188.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/5.133.188.0/23" | jq
External Links