147.140.0.0/16
🇺🇸IPv4ARINallocated RPKI Valid
CIDR
147.140.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Philadelphia (Center City East)
RIR
ARIN
Status
allocated
Allocated
4/10/1991
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
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 147.140.128.0/17 | AS22644TJUH - Thomas Jefferson University Hospitals, Inc. | Valid | — | 6/13/2026 |
| 147.140.0.0/18 | AS22644TJUH - Thomas Jefferson University Hospitals, Inc. | Valid | — | 6/13/2026 |
| 147.140.96.0/19 | AS22644TJUH - Thomas Jefferson University Hospitals, Inc. | Valid | — | 6/13/2026 |
| 147.140.80.0/20 | AS22644TJUH - Thomas Jefferson University Hospitals, Inc. | Valid | — | 6/13/2026 |
| 147.140.74.0/24 | AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | — | 6/13/2026 |
| 147.140.73.0/24 | AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | — | 6/13/2026 |
| 147.140.72.0/24 | AS8075MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation | Valid | — | 6/13/2026 |
| 147.140.255.0/24 | AS22644TJUH - Thomas Jefferson University Hospitals, Inc. | Valid | — | 6/13/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionPennsylvania
CityPhiladelphia (Center City East)
Coordinates39.9499, -75.1551 ↗
API
Open https://api.ipctl.io/v1/prefix/147.140.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/147.140.0.0/16" | jq
External Links