148.177.128.0/21
🇬🇧CIDR
148.177.128.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇬🇧 United Kingdom
City
Slough
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 148.177.128.0/21 | AS13778JOHNSON-AND-JOHNSON - Johnson & Johnson | No ROA | RADB | 6/1/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 148.177.128.0/22 | AS198949Radware Radware Ltd | No ROA | — | 6/1/2026 |
| 148.177.132.0/22 | AS198949Radware Radware Ltd | No ROA | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/148.177.128.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/148.177.128.0/21" | jq
External Links