38.51.238.0/24 Cogent Communications, LLC
Announced by AS174 Cogent Communications, LLC. RPKI invalid Seen by 4 of our 5 looking glass sessions.
Summary
What the table says about 38.51.238.0/24
Prefix
Origin
AS174 COGENT-174
RPKI
RPKI invalid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
0 exact, 2 covering
In RouteViews
2026-10-16 08:02 UTC
Paths
How 38.51.238.0/24 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
| Origin | AS174 Cogent Communications, LLC |
| Origin code | IGP |
| Communities | 174:21001 174:22013 |
| Updated | 6d 18h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 36295 174
| Origin | AS174 Cogent Communications, LLC |
| Origin code | IGP |
| Communities | 174:21001 174:22013 903:100 903:900 |
| Updated | 6d 18h ago |
RPKI
Route origin authorizations
The covering ROA authorizes a different AS to originate this prefix. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 38.51.236.0/22 | /24 | AS271907 AS271907 | 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 |
|---|---|---|---|---|
| 38.51.236.0/22 covering | AS271907 AS271907 | ARIN | Route Registered for Cogent Communications Customer - COLNETWORK C.A. | MNT-COGC |
| 38.0.0.0/8 covering | AS174 COGENT-174 | RADB | Cogent | MAINT-AS174 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.