137.44.0.0/16
🇬🇧IPv4RIPENCCassignedNo ROA
CIDR
137.44.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇬🇧 United Kingdom
City
Bradford
RIR
RIPENCC
Status
assigned
Allocated
10/25/1989
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
7 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 137.44.0.0/18 | AS786JANET - Jisc Services Limited | No ROA | — | 6/13/2026 |
| 137.44.128.0/19 | AS786JANET - Jisc Services Limited | No ROA | — | 6/13/2026 |
| 137.44.192.0/19 | AS786JANET - Jisc Services Limited | No ROA | — | 6/13/2026 |
| 137.44.224.0/19 | AS786JANET - Jisc Services Limited | No ROA | — | 6/13/2026 |
| 137.44.160.0/19 | AS786JANET - Jisc Services Limited | No ROA | — | 6/13/2026 |
| 137.44.112.0/21 | AS43915TRUESPEED TrueSpeed Communications Limited | Valid | — | 6/13/2026 |
| 137.44.124.0/23 | AS3257GTT-BACKBONE GTT Communications Inc. | Valid | — | 6/13/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 137.44.128.0/17 | 🇬🇧GB | assigned | |
| 137.44.0.0/18 | AS786 | 🇬🇧GB | assigned |
| 137.44.32.0/19 | 🇬🇧GB | assigned | |
| 137.44.64.0/19 | 🇬🇧GB | assigned | |
| 137.44.96.0/19 | 🇬🇧GB | assigned | |
| 137.44.224.0/19 | AS786 | 🇬🇧GB | assigned |
| 137.44.0.0/19 | 🇬🇧GB | assigned | |
| 137.44.128.0/19 | AS786 | 🇬🇧GB | assigned |
| 137.44.160.0/19 | AS786 | 🇬🇧GB | assigned |
| 137.44.192.0/19 | AS786 | 🇬🇧GB | assigned |
| 137.44.96.0/20 | 🇬🇧GB | assigned | |
| 137.44.120.0/21 | AS200032 | 🇩🇪DE | assigned |
| 137.44.112.0/21 | AS43915 | 🇬🇧GB | assigned |
| 137.44.124.0/27 | 🇩🇪DE | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/137.44.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/137.44.0.0/16" | jq
External Links