ResearchRouting table, looking glass, RPKI & IRR

45.91.121.0/24 Cogent Communications, LLC

Announced by AS174 Cogent Communications, LLC. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 45.91.121.0/24

Origin
AS174 COGENT-174
RPKI
RPKI valid
Size
256 addresses
Less specific
none
More specifics
0
IRR route objects
0 exact, 0 covering
In RouteViews
2026-10-12 16:02 UTC

How 45.91.121.0/24 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
OriginAS174 Cogent Communications, LLC
Origin codeIGP
Communities174:21101 174:22010 36601:150 36601:174 36601:2001
Updated4d 15h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 174
OriginAS174 Cogent Communications, LLC
Origin codeIGP
Communities903:900 903:13760
Updated4d 23h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 1299 174
OriginAS174 Cogent Communications, LLC
Origin codeIGP
Communities36295:100
Updated4d 23h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174
OriginAS174 Cogent Communications, LLC
Origin codeIGP
Communities174:21101 174:22010
Updated4d 23h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174
OriginAS174 Cogent Communications, LLC
Origin codeIGP
Communities174:21101 174:22010 36295:100 36295:174
Updated8d 17h ago

Route origin authorizations

Covered by a ROA authorizing AS174 to originate 45.91.121.0/24 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
45.91.121.0/24/24AS174 COGENT-174RIPE
45.91.121.0/24/24AS16633 I-3RIPE

Check 45.91.121.0/24 live