109.104.121.0/24
🇬🇧CIDR
109.104.121.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
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 |
|---|---|---|---|---|
| 109.104.121.0/24 | AS1299TWELVE99 Arelion Sweden AB | Valid | RIPE | 6/1/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 109.104.120.0/21 | AS25577C4L-AS MAINFRAME & CYBERNETIC SYSTEMS LIMITED | No ROA | — | 6/1/2026 |
Origin ASN
AS1299
TWELVE99 Arelion Sweden AB
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/109.104.121.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/109.104.121.0/24" | jq
External Links