37.235.40.0/21
🇬🇧CIDR
37.235.40.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
Lerwick
RIR
RIPENCC
Status
allocated
Allocated
4/16/2012
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
10 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 37.235.40.0/24 | AS41896SHETTEL-AS Shetland Islands Council | No ROA | — | 5/31/2026 |
| 37.235.41.0/24 | AS41896SHETTEL-AS Shetland Islands Council | No ROA | — | 5/31/2026 |
| 37.235.42.0/24 | AS41896SHETTEL-AS Shetland Islands Council | No ROA | — | 5/31/2026 |
| 37.235.45.0/24 | AS41896SHETTEL-AS Shetland Islands Council | No ROA | — | 5/31/2026 |
| 37.235.46.0/24 | AS41896SHETTEL-AS Shetland Islands Council | No ROA | — | 5/31/2026 |
| 37.235.47.0/24 | AS41896SHETTEL-AS Shetland Islands Council | No ROA | — | 5/31/2026 |
| 37.235.44.0/24 | AS41896SHETTEL-AS Shetland Islands Council | No ROA | — | 5/31/2026 |
| 37.235.43.0/24 | AS51561AS-ICUK ICUK Computing Services Limited | No ROA | — | 5/31/2026 |
| 37.235.47.0/24 | AS199886SB-AS Shetland Broadband LLP | No ROA | — | 5/31/2026 |
| 37.235.46.0/24 | AS199886SB-AS Shetland Broadband LLP | No ROA | — | 5/31/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 37.235.45.0/24 | AS41896 | 🇬🇧GB | assigned |
| 37.235.43.0/24 | AS51561 | 🇬🇧GB | assigned |
| 37.235.44.0/24 | AS41896 | 🇬🇧GB | assigned |
| 37.235.41.0/25 | 🇬🇧GB | assigned | |
| 37.235.40.64/26 | 🇬🇧GB | assigned | |
| 37.235.41.128/26 | 🇬🇧GB | assigned | |
| 37.235.41.192/26 | 🇬🇧GB | assigned | |
| 37.235.42.0/26 | 🇬🇧GB | assigned | |
| 37.235.40.0/26 | 🇬🇧GB | assigned |
Origin ASN
AS199886
SB-AS Shetland Broadband LLP
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/37.235.40.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/37.235.40.0/21" | jq
External Links