ResearchRouting table, looking glass, RPKI & IRR

165.112.140.0/24 National Library of Medicine

Announced by AS393689 National Library of Medicine. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 165.112.140.0/24

Origin
AS393689 NLM-NCCS
RPKI
RPKI valid
Size
256 addresses
More specifics
0
IRR route objects
1 exact, 8 covering
In RouteViews
2026-10-15 16:02 UTC

How 165.112.140.0/24 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 10886 393689
OriginAS393689 National Library of Medicine
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated2d 8h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 10886 393689
OriginAS393689 National Library of Medicine
Origin codeIGP
Communities903:900 903:13760
Updated2d 8h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 10886 393689
OriginAS393689 National Library of Medicine
Origin codeIGP
Communities6461:5998 36295:100 36295:6461
Updated4h 35m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 11164 393689
OriginAS393689 National Library of Medicine
Origin codeIGP
Communitiesnone
Updated2d 8h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 10886 393689
OriginAS393689 National Library of Medicine
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated2d 8h ago

Route origin authorizations

Covered by a ROA authorizing AS393689 to originate 165.112.140.0/24 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
165.112.140.0/24/24AS393689 NLM-NCCSARIN
165.112.136.0/21/27AS30387 NIH-NET-NCCSARIN
165.112.0.0/16/25AS3527 NIH-NETARIN

Route objects

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

RouteOriginSourceDescriptionMaintained by
165.112.140.0/24AS393689 NLM-NCCSARINNational Institutes of HealthMNT-NIH-Z
165.112.136.0/21 coveringAS30387 NIH-NET-NCCSARINNational Institutes of HealthMNT-NIH-Z
165.112.136.0/21 coveringAS3527 NIH-NETRADBProxy-registered route object for NIHMAINT-AS10886
165.112.128.0/17 coveringAS70 NLM-GWLEVEL3NLM.NIH.GOV maintainerNLM-MNT
165.112.128.0/17 coveringAS3527 NIH-NETLEVEL3Proxy-registered route objectLEVEL3-MNT
165.112.0.0/16 coveringAS3527 NIH-NETARIN9000 Rockville Pike MSC 4805 Bethesda MD 20892-4805 United StatesMNT-NIH-Z
165.112.0.0/16 coveringAS70 NLM-GWLEVEL3NLM.NIH.GOV maintainerNLM-MNT
165.112.0.0/16 coveringAS3527 NIH-NETLEVEL3Proxy-registered route objectLEVEL3-MNT
165.112.0.0/16 coveringAS3527 NIH-NETRADBProxy-registered route object for NIHMAINT-AS10886

Covering prefixes

Announced prefixes that contain this one, most specific first.

Check 165.112.140.0/24 live