37.128.128.0/21
🇬🇧CIDR
37.128.128.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
Cranleigh
RIR
RIPENCC
Status
allocated
Allocated
2/16/2012
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 37.128.128.0/21 | AS50957MEMSET MEMSET Ltd | Valid | RIPE | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 37.128.128.0/21 | AS50957 | /21 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS50957 | RIPE | MEMSET | 6/19/2013 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 37.128.128.0/24 | 🇬🇧GB | assigned | |
| 37.128.133.0/24 | 🇬🇧GB | assigned | |
| 37.128.135.0/24 | 🇬🇧GB | assigned | |
| 37.128.130.0/24 | 🇬🇧GB | assigned | |
| 37.128.131.0/24 | 🇬🇧GB | assigned | |
| 37.128.132.0/24 | 🇬🇧GB | assigned | |
| 37.128.134.0/24 | 🇬🇧GB | assigned | |
| 37.128.129.0/24 | 🇬🇧GB | assigned |
Origin ASN
AS50957
MEMSET MEMSET Ltd
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/37.128.128.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/37.128.128.0/21" | jq
External Links