37.35.88.0/21
🇬🇧CIDR
37.35.88.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
Coventry
RIR
RIPENCC
Status
allocated
Allocated
1/6/2012
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 37.35.88.0/21 | AS39537HNS SysGroup plc | Valid | — | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 37.35.88.0/22 | AS16376SYSGROUP-PLC SysGroup plc | Valid | — | 5/31/2026 |
| 37.35.92.0/22 | AS16376SYSGROUP-PLC SysGroup plc | Valid | — | 5/31/2026 |
RPKI ROAs
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS16376 | RIPE | SYSGROUP-MNT | 2/21/2025 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 37.35.94.0/24 | 🇬🇧GB | assigned | |
| 37.35.90.0/25 | 🇬🇧GB | assigned | |
| 37.35.95.0/25 | 🇬🇧GB | assigned | |
| 37.35.88.128/26 | 🇬🇧GB | assigned | |
| 37.35.89.0/26 | 🇬🇧GB | assigned | |
| 37.35.88.64/26 | 🇬🇧GB | assigned | |
| 37.35.95.128/26 | 🇬🇧GB | assigned | |
| 37.35.89.128/26 | 🇬🇧GB | assigned | |
| 37.35.90.128/26 | 🇬🇧GB | assigned | |
| 37.35.89.64/26 | 🇬🇧GB | assigned | |
| 37.35.90.192/27 | 🇬🇧GB | assigned | |
| 37.35.89.192/27 | 🇬🇧GB | assigned | |
| 37.35.88.32/27 | 🇬🇧GB | assigned | |
| 37.35.88.192/27 | 🇬🇧GB | assigned | |
| 37.35.88.0/27 | 🇬🇧GB | assigned | |
| 37.35.95.192/27 | 🇬🇧GB | assigned | |
| 37.35.95.224/28 | 🇬🇧GB | assigned | |
| 37.35.88.224/28 | 🇬🇧GB | assigned | |
| 37.35.90.224/28 | 🇬🇧GB | assigned | |
| 37.35.89.224/28 | 🇬🇧GB | assigned | |
| 37.35.90.240/29 | 🇬🇧GB | assigned | |
| 37.35.88.240/29 | 🇬🇧GB | assigned | |
| 37.35.95.240/29 | 🇬🇧GB | assigned | |
| 37.35.89.240/29 | 🇬🇧GB | assigned | |
| 37.35.89.248/30 | 🇬🇧GB | assigned | |
| 37.35.90.248/30 | 🇬🇧GB | assigned | |
| 37.35.95.248/30 | 🇬🇧GB | assigned | |
| 37.35.88.248/30 | 🇬🇧GB | assigned | |
| 37.35.88.252/31 | 🇬🇧GB | assigned | |
| 37.35.90.252/31 | 🇬🇧GB | assigned | |
| 37.35.95.252/31 | 🇬🇧GB | assigned | |
| 37.35.89.252/31 | 🇬🇧GB | assigned | |
| 37.35.88.254/32 | 🇬🇧GB | assigned | |
| 37.35.90.254/32 | 🇬🇧GB | assigned | |
| 37.35.89.254/32 | 🇬🇧GB | assigned | |
| 37.35.95.254/32 | 🇬🇧GB | assigned |
Origin ASN
AS39537
HNS SysGroup plc
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/37.35.88.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/37.35.88.0/21" | jq
External Links