209.240.0.0/21
🇬🇧CIDR
209.240.0.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
High Wycombe
RIR
ARIN
Status
allocated
Allocated
6/8/1998
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 |
|---|---|---|---|---|
| 209.240.0.0/22 | AS207645FWNETWORKS-AS F & W Networks Ltd | Valid | — | 5/31/2026 |
| 209.240.4.0/22 | AS207645FWNETWORKS-AS F & W Networks Ltd | Valid | — | 5/31/2026 |
Origin ASN
AS10469
Geolocation
API
Open https://api.ipctl.io/v1/prefix/209.240.0.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.240.0.0/21" | jq
External Links