209.137.176.0/24 Cogent Communications, LLC
Announced by AS174 Cogent Communications, LLC. RPKI valid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 209.137.176.0/24
Prefix
Origin
AS174 COGENT-174
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 1 covering
In RouteViews
2026-10-16 12:01 UTC
RPKI
Route origin authorizations
Covered by a ROA authorizing AS174 to originate 209.137.176.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 209.137.176.0/24 | /24 | AS174 COGENT-174 | 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 |
|---|---|---|---|---|
| 209.137.176.0/24 | AS174 COGENT-174 | ARIN | Used by EndUser | MNT-DCL-577 |
| 209.137.176.0/24 | AS174 COGENT-174 | RADB | autogen | MAINT-AS834 |
| 209.137.160.0/19 covering | AS21769 AS-COLOAM | RADB | N | MAINT-AS21769 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.