ResearchRouting table, looking glass, RPKI & IRR

140.208.0.0/18 Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory

Announced by AS40623 Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 140.208.0.0/18

Prefix
140.208.0.0/18
Origin
AS40623 GFDL
RPKI
RPKI valid
Size
16,384 addresses
Less specific
none
More specifics
0
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-14 20:02 UTC
Paths

How 140.208.0.0/18 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 11956 3477 40623
OriginAS40623 Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory
Origin codeIGP
Communities174:21001 174:22013 36601:150 36601:174 36601:2001
Updated6d 18h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 10886 11956 3477 40623
OriginAS40623 Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory
Origin codeIGP
Communities903:900 903:13760
Updated7d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 10886 11956 3477 40623
OriginAS40623 Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory
Origin codeIGP
Communities6461:5998 36295:100 36295:6461
Updated4h 35m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 10886 11956 3477 40623
OriginAS40623 Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory
Origin codeIGP
Communities174:21001 174:22013
Updated7d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 10886 11956 3477 40623
OriginAS40623 Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory
Origin codeIGP
Communities174:21001 174:22013 36295:100 36295:174
Updated10d 20h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS40623 to originate 140.208.0.0/18 up to /18. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
140.208.0.0/18/18AS40623 GFDLARIN
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
140.208.0.0/18AS40623 GFDLARINGFDLNETMNT-GFDL-Z
Tools

Check 140.208.0.0/18 live

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