152.51.0.0/16
🇺🇸IPv4ARINallocatedNo ROA
CIDR
152.51.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Philadelphia (South Philadelphia East)
RIR
ARIN
Status
allocated
Allocated
6/7/1991
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
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 152.51.56.0/24 | AS2539GLAXOSMITHKLINE - GlaxoSmithKline | No ROA | — | 6/13/2026 |
| 152.51.24.0/24 | AS14306GLAXOSMITHKLINE - GlaxoSmithKline | No ROA | — | 6/13/2026 |
| 152.51.27.0/24 | AS14306GLAXOSMITHKLINE - GlaxoSmithKline | No ROA | — | 6/13/2026 |
| 152.51.48.0/24 | AS14306GLAXOSMITHKLINE - GlaxoSmithKline | No ROA | — | 6/13/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionPennsylvania
CityPhiladelphia (South Philadelphia East)
Coordinates39.8966, -75.1733 ↗
API
Open https://api.ipctl.io/v1/prefix/152.51.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/152.51.0.0/16" | jq
External Links