37.1.100.0/22
🇬🇧CIDR
37.1.100.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇬🇧 United Kingdom
City
Cambridge
RIR
RIPENCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 37.1.100.0/22 | AS35826NETSERVERS-AS Netservers Limited | Valid | RIPE | 5/30/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 37.1.96.0/21 | AS35826NETSERVERS-AS Netservers Limited | Valid | — | 5/30/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 37.1.96.0/21 | AS35826 | /22 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS35826 | RIPE | NETSERVERS-MNT | 9/29/2016 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 37.1.102.0/24 | 🇬🇧GB | assigned | |
| 37.1.100.0/24 | 🇬🇧GB | assigned | |
| 37.1.103.0/25 | 🇬🇧GB | assigned | |
| 37.1.103.128/25 | 🇬🇧GB | assigned | |
| 37.1.101.128/26 | 🇬🇧GB | assigned | |
| 37.1.101.0/26 | 🇬🇧GB | assigned | |
| 37.1.101.96/29 | 🇬🇧GB | assigned | |
| 37.1.101.104/29 | 🇬🇧GB | assigned |
Origin ASN
AS35826
NETSERVERS-AS Netservers Limited
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/37.1.100.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/37.1.100.0/22" | jq
External Links