74.117.136.0/23 Hospital for Special Surgery
Announced by AS3688 Hospital for Special Surgery. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 74.117.136.0/23
Prefix
Origin
AS3688 HSS-1
RPKI
RPKI valid
Size
512 addresses
Less specific
none
More specifics
2
IRR route objects
2 exact, 1 covering
In RouteViews
2026-10-13 08:02 UTC
Paths
How 74.117.136.0/23 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 3688
| Origin | AS3688 Hospital for Special Surgery |
| Origin code | incomplete |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 5d 8h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 6461 46887 3688
| Origin | AS3688 Hospital for Special Surgery |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 16h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 6461 46887 3688
| Origin | AS3688 Hospital for Special Surgery |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 16h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS3688 to originate 74.117.136.0/23 up to /23. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 74.117.136.0/23 | /23 | AS3688 HSS-1 | 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 |
|---|---|---|---|---|
| 74.117.136.0/23 | AS3688 HSS-1 | ARIN | Hospital for Special Surgery | MNT-NEWYO-28 |
| 74.117.136.0/23 | AS3688 HSS-1 | RADB | Hospital for Special Surgery | MAINT-AS27506 |
| 74.117.136.0/22 covering | AS3688 HSS-1 | RADB | PNAP-NYM | MAINT-AS1828 |
More specific
Prefixes inside 74.117.136.0/23
2 announced prefixes fall inside this one.