158.255.40.0/21
🇬🇧IPv4RIPENCCallocatedNo ROA
CIDR
158.255.40.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
London
RIR
RIPENCC
Status
allocated
Allocated
11/14/2011
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
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 158.255.40.0/24 | AS31727NODE4-AS Node4 Limited | No ROA | — | 6/15/2026 |
| 158.255.44.0/24 | AS31727NODE4-AS Node4 Limited | No ROA | — | 6/15/2026 |
| 158.255.45.0/24 | AS31727NODE4-AS Node4 Limited | No ROA | — | 6/15/2026 |
| 158.255.46.0/24 | AS31727NODE4-AS Node4 Limited | No ROA | — | 6/15/2026 |
| 158.255.47.0/24 | AS31727NODE4-AS Node4 Limited | No ROA | — | 6/15/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 158.255.46.0/24 | AS31727 | 🇬🇧GB | assigned |
| 158.255.40.0/24 | AS31727 | 🇬🇧GB | assigned |
| 158.255.45.0/24 | AS31727 | 🇬🇧GB | assigned |
| 158.255.47.0/24 | AS31727 | 🇬🇧GB | assigned |
| 158.255.44.0/24 | AS31727 | 🇬🇧GB | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/158.255.40.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/158.255.40.0/21" | jq
External Links