ResearchRouting table, looking glass, RPKI & IRR

77.47.136.0/22 User Association of Ukrainian Research and Academic Network URAN

Announced by AS25500 User Association of Ukrainian Research and Academic Network URAN. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 77.47.136.0/22

Origin
AS25500 NTUU-KPI-AS
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-12 20:02 UTC

How 77.47.136.0/22 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 3356 9002 12687 25500
OriginAS25500 User Association of Ukrainian Research and Academic Network URAN
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated2d 21h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 9002 12687 25500
OriginAS25500 User Association of Ukrainian Research and Academic Network URAN
Origin codeIGP
Communities903:900 903:13760
Updated2d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 25500
OriginAS25500 User Association of Ukrainian Research and Academic Network URAN
Origin codeIGP
Communities36295:100
Updated2d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 25500
OriginAS25500 User Association of Ukrainian Research and Academic Network URAN
Origin codeIGP
Communitiesnone
Updated2d 21h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3356 9002 12687 25500
OriginAS25500 User Association of Ukrainian Research and Academic Network URAN
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated2d 21h ago

Route origin authorizations

Covered by a ROA authorizing AS25500 to originate 77.47.136.0/22 up to /22. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
77.47.136.0/22/22AS25500 NTUU-KPI-ASRIPE
77.47.128.0/17/17AS25500 NTUU-KPI-ASRIPE

Route objects

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

RouteOriginSourceDescriptionMaintained by
77.47.136.0/22AS25500 NTUU-KPI-ASRIPENTUU-KPI NET-136-0-L22KPI-MNT
77.47.128.0/17 coveringAS25500 NTUU-KPI-ASRIPENTUU-KPI ALLOCATIONKPI-MNT, URAN-MNT

Check 77.47.136.0/22 live