147.140.255.0/24 Thomas Jefferson University Hospitals, Inc.
Announced by AS22644 Thomas Jefferson University Hospitals, Inc. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 147.140.255.0/24
Prefix
Origin
AS22644 TJUH
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 3 covering
In RouteViews
2026-10-14 12:02 UTC
Paths
How 147.140.255.0/24 is reached
Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.
AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 174 6461 46887 22644
| Origin | AS22644 Thomas Jefferson University Hospitals, Inc. |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 6d 9h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 46887 22644
| Origin | AS22644 Thomas Jefferson University Hospitals, Inc. |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 18h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 46887 22644
| Origin | AS22644 Thomas Jefferson University Hospitals, Inc. |
| Origin code | IGP |
| Communities | 6461:5998 36295:100 36295:6461 |
| Updated | 1d 0h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS22644 to originate 147.140.0.0/16 up to /32. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 147.140.0.0/16 | /32 | AS22644 TJUH | ARIN |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 147.140.255.0/24 | AS22644 TJUH | RADB | Thomas Jefferson University | MAINT-AS27506 |
| 147.140.128.0/17 covering | AS22644 TJUH | RADB | N | MAINT-AS27506 |
| 147.140.0.0/16 covering | AS22644 TJUH | ARIN | 833 Chestnut Street, Suite 600 Information Systems Philadelphia PA 19107 United States | MNT-TJU-2-Z |
| 147.140.0.0/16 covering | AS22644 TJUH | RADB | Thomas Jefferson University | MAINT-AS27506 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.