109.104.100.0/23
🇬🇧CIDR
109.104.100.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPENCC
Status
allocated
Allocated
9/4/2009
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 109.104.100.0/23 | AS25577C4L-AS MAINFRAME & CYBERNETIC SYSTEMS LIMITED | Valid | RIPE | 6/1/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 109.104.100.0/23 | AS25577 | /23 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS25577 | RIPE | C4L-MNT | 3/12/2025 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 109.104.100.0/24 | 🇬🇧GB | assigned | |
| 109.104.101.64/27 | 🇬🇧GB | assigned | |
| 109.104.101.144/28 | 🇬🇧GB | assigned | |
| 109.104.101.176/28 | 🇬🇧GB | assigned | |
| 109.104.101.40/29 | 🇬🇧GB | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/109.104.100.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/109.104.100.0/23" | jq
External Links