ResearchRouting table, looking glass, RPKI & IRR

165.112.0.0/16 National Institutes of Health

Announced by AS3527 National Institutes of Health. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 165.112.0.0/16

Prefix
165.112.0.0/16
Origin
AS3527 NIH-NET
RPKI
RPKI valid
Size
65,536 addresses
Less specific
none
More specifics
14
IRR route objects
4 exact, 0 covering
In RouteViews
2026-10-14 08:02 UTC
Paths

How 165.112.0.0/16 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 174 3356 15029×3 19050 3527×7
OriginAS3527 National Institutes of Health
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated4h 58m ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 15029×3 19050 3527×7
OriginAS3527 National Institutes of Health
Origin codeIGP
Communities903:900 903:13760
Updated6d 15h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 11164 10886 3527
OriginAS3527 National Institutes of Health
Origin codeIGP
Communities36295:100
Updated6d 15h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 11164 10886 3527
OriginAS3527 National Institutes of Health
Origin codeIGP
Communitiesnone
Updated6d 15h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3356 15029×3 19050 3527×7
OriginAS3527 National Institutes of Health
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated10d 8h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS3527 to originate 165.112.0.0/16 up to /25. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
165.112.0.0/16/25AS3527 NIH-NETARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
165.112.0.0/16AS3527 NIH-NETARIN9000 Rockville Pike MSC 4805 Bethesda MD 20892-4805 United StatesMNT-NIH-Z
165.112.0.0/16AS70 NLM-GWLEVEL3NLM.NIH.GOV maintainerNLM-MNT
165.112.0.0/16AS3527 NIH-NETLEVEL3Proxy-registered route objectLEVEL3-MNT
165.112.0.0/16AS3527 NIH-NETRADBProxy-registered route object for NIHMAINT-AS10886
More specific

Prefixes inside 165.112.0.0/16

14 announced prefixes fall inside this one.

Show the 14 prefixes
165.112.0.0/20 AS30387 NIH-NET-NCCS165.112.0.0/21 AS30387 NIH-NET-NCCS165.112.6.0/23 AS393689 NLM-NCCS165.112.8.0/22 AS393689 NLM-NCCS165.112.32.0/22 AS30387 NIH-NET-NCCS165.112.34.0/23 AS393689 NLM-NCCS165.112.124.0/23 AS30387 NIH-NET-NCCS165.112.127.0/24 AS30387 NIH-NET-NCCS165.112.136.0/21 AS30387 NIH-NET-NCCS165.112.140.0/24 AS393689 NLM-NCCS165.112.194.0/23 AS30387 NIH-NET-NCCS165.112.200.0/22 AS30387 NIH-NET-NCCS165.112.200.0/23 AS30387 NIH-NET-NCCS165.112.252.0/23 AS30387 NIH-NET-NCCS
Tools

Check 165.112.0.0/16 live

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