37.9.56.0/21 - UKSERVERS UK Dedicated Servers Limited (AS42831)
CIDR
37.9.56.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPE NCC
Status
allocated
Allocated
2011-12-14
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 37.9.56.0/21 | AS42831 UKSERVERS-AS UK Dedicated Servers Limited | Valid | RIPE | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 37.9.56.0/21 | AS42831 | /21 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS42831 | RIPE | UKSERVERS-MNT | 2014-12-01 |
More Specific Prefixes
Transfer History
Registry transfers of 37.9.56.0/21, blocks inside it, or blocks containing it.
- 37.9.56.0/21Transfer ·
Related Prefixes
More prefixes of AS42831
All prefixes of AS42831 →Geolocation
Abuse Contact
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/37.9.56.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/37.9.56.0/21" | jq
External Links