ResearchRouting table, looking glass, RPKI & IRR

140.226.0.0/16 University of Colorado Denver

Announced by AS16519 University of Colorado Denver. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 140.226.0.0/16

Origin
AS16519 CUDENVER
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-15 08:02 UTC

How 140.226.0.0/16 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 3356 16519
OriginAS16519 University of Colorado Denver
Origin codeIGP
Communities3356:3 3356:22 3356:100 3356:123 3356:575 3356:901 3356:2008 36601:150 36601:2001 36601:13760 65002:7922 65003:0
Updated23h 27m ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 16519
OriginAS16519 University of Colorado Denver
Origin codeIGP
Communities903:900 903:13760
Updated23h 28m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 14041 16519
OriginAS16519 University of Colorado Denver
Origin codeIGP
Communities36295:100
Updated7d 15h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 14041 16519
OriginAS16519 University of Colorado Denver
Origin codeIGP
Communitiesnone
Updated7d 15h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 1299 14041×2 16519
OriginAS16519 University of Colorado Denver
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated3d 6h ago

Route origin authorizations

Covered by a ROA authorizing AS16519 to originate 140.226.0.0/16 up to /16. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
140.226.0.0/16/16AS16519 CUDENVERARIN

Route objects

Registered in the IRR for this prefix and the ones covering it. Look it up live.

RouteOriginSourceDescriptionMaintained by
140.226.0.0/16AS16519 CUDENVERRADBUniversity of Colorado Anschutz Medical Campus Denver, CO, USA http://www.uchsc.edu/MAINT-AS14041

Check 140.226.0.0/16 live