137.53.0.0/16 Oregon Health & Science University
Announced by AS11995 Oregon Health & Science University. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 137.53.0.0/16
Prefix
Origin
AS11995 OHSU
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-12 16:02 UTC
Paths
How 137.53.0.0/16 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 13760 7029 7922 33490 11995
| Origin | AS11995 Oregon Health & Science University |
| Origin code | IGP |
| Communities | 7029:2089 36601:150 36601:2001 36601:13760 |
| Updated | 4d 15h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 7029 7922 33490 11995
| Origin | AS11995 Oregon Health & Science University |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 4d 15h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 11995
| Origin | AS11995 Oregon Health & Science University |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 1h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS11995 to originate 137.53.0.0/16 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 137.53.0.0/16 | /24 | AS11995 OHSU | ARIN |
| 137.53.0.0/16 | /24 | AS198949 Radware | 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 |
|---|---|---|---|---|
| 137.53.0.0/16 | AS11995 OHSU | ARIN | OHSU 3181 SW Sam Jackson Park Road ITG05 Portland OR 97239 | MNT-OHSU |
| 137.53.0.0/16 | AS11995 OHSU | RADB | Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | MAINT-AS7922 |
| 137.53.0.0/16 | AS198949 Radware | RADB | OHSU | MAINT-AS198949 |