174.37.0.0/18 IBM Cloud
Announced by AS36351 IBM Cloud. RPKI not found Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 174.37.0.0/18
Prefix
Origin
AS36351 SOFTLAYER
RPKI
RPKI not found
Size
16,384 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 2 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 174.37.0.0/18 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 36351
| Origin | AS36351 IBM Cloud |
| Origin code | IGP |
| Communities | 13760:3002 36601:150 36601:2001 36601:13760 |
| Updated | 4d 20h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 36351
| Origin | AS36351 IBM Cloud |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 4h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 36351
| Origin | AS36351 IBM Cloud |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 4h ago |
RPKI
Route origin authorizations
No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.
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 |
|---|---|---|---|---|
| 174.37.0.0/18 | AS11172 AS11172 | RADB | auto-generated route object for 174.37.0.0/18 | MAINT-AS11172 |
| 174.37.0.0/18 | AS36351 SOFTLAYER | RADB | SOFTLAYER-dal01 | MAINT-AS36351 |
| 174.37.0.0/18 | AS36351 SOFTLAYER | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
| 174.36.0.0/15 covering | AS36351 SOFTLAYER | RADB | SOFTLAYER-4-7 | MAINT-AS36351 |
| 174.36.0.0/15 covering | AS36351 SOFTLAYER | REACH | REACH (Customer Route) | MAINT-REACH-NOC |