37.1.152.0/21
🇬🇧CIDR
37.1.152.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
Bracknell
RIR
RIPENCC
Status
allocated
Allocated
12/13/2011
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 37.1.152.0/21 | AS3257GTT-BACKBONE GTT Communications Inc. | No ROA | RIPE | 5/30/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 37.1.156.0/22 | 🇬🇧GB | assigned | |
| 37.1.154.0/23 | 🇬🇧GB | assigned | |
| 37.1.152.0/24 | 🇬🇧GB | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/37.1.152.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/37.1.152.0/21" | jq
External Links