81.91.240.0/21
🇬🇧CIDR
81.91.240.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPENCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.91.240.0/21 | AS29668QUBE vXtream Ltd | No ROA | RIPE | 5/31/2026 |
Covering Prefix
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.91.240.0/24 | AS29668QUBE vXtream Ltd | No ROA | — | 5/31/2026 |
| 81.91.241.0/24 | AS29668QUBE vXtream Ltd | No ROA | — | 5/31/2026 |
| 81.91.242.0/24 | AS29668QUBE vXtream Ltd | No ROA | — | 5/31/2026 |
| 81.91.243.0/24 | AS29668QUBE vXtream Ltd | No ROA | — | 5/31/2026 |
| 81.91.244.0/24 | AS29668QUBE vXtream Ltd | No ROA | — | 5/31/2026 |
| 81.91.245.0/24 | AS29668QUBE vXtream Ltd | No ROA | — | 5/31/2026 |
| 81.91.246.0/24 | AS29668QUBE vXtream Ltd | No ROA | — | 5/31/2026 |
| 81.91.247.0/24 | AS29668QUBE vXtream Ltd | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS29668 | RIPE | uk-vxtream-1-mnt | 3/26/2018 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.91.244.0/24 | AS29668 | 🇬🇧GB | assigned |
| 81.91.242.0/24 | AS29668 | 🇬🇧GB | assigned |
| 81.91.246.0/25 | 🇬🇧GB | assigned | |
| 81.91.247.0/25 | 🇬🇧GB | assigned | |
| 81.91.243.0/26 | 🇬🇧GB | assigned | |
| 81.91.241.0/26 | 🇬🇧GB | assigned | |
| 81.91.243.128/26 | 🇬🇧GB | assigned | |
| 81.91.241.96/27 | 🇬🇧GB | assigned | |
| 81.91.245.160/27 | 🇬🇧GB | assigned | |
| 81.91.243.64/27 | 🇬🇧GB | assigned | |
| 81.91.243.192/27 | 🇬🇧GB | assigned | |
| 81.91.241.64/27 | 🇬🇧GB | assigned | |
| 81.91.240.64/27 | 🇬🇧GB | assigned | |
| 81.91.243.224/27 | 🇬🇧GB | assigned | |
| 81.91.240.240/28 | 🇬🇧GB | assigned | |
| 81.91.240.112/28 | 🇬🇧GB | assigned | |
| 81.91.240.96/28 | 🇬🇧GB | assigned | |
| 81.91.240.192/28 | 🇬🇧GB | assigned | |
| 81.91.240.176/28 | 🇬🇧GB | assigned | |
| 81.91.243.96/28 | 🇬🇧GB | assigned | |
| 81.91.243.112/28 | 🇬🇧GB | assigned | |
| 81.91.245.128/29 | 🇬🇧GB | assigned | |
| 81.91.245.136/29 | 🇬🇧GB | assigned | |
| 81.91.245.80/29 | 🇬🇧GB | assigned | |
| 81.91.245.64/29 | 🇬🇧GB | assigned | |
| 81.91.241.192/29 | 🇬🇧GB | assigned | |
| 81.91.245.144/29 | 🇬🇧GB | assigned | |
| 81.91.245.104/29 | 🇬🇧GB | assigned | |
| 81.91.240.160/29 | 🇬🇧GB | assigned | |
| 81.91.245.72/29 | 🇬🇧GB | assigned | |
| 81.91.245.112/29 | 🇬🇧GB | assigned | |
| 81.91.245.120/29 | 🇬🇧GB | assigned | |
| 81.91.245.88/29 | 🇬🇧GB | assigned | |
| 81.91.241.152/30 | 🇬🇧GB | assigned | |
| 81.91.241.160/30 | 🇬🇧GB | assigned |
Origin ASN
AS29668
QUBE vXtream Ltd
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.91.240.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.91.240.0/21" | jq
External Links