ResearchRouting table, looking glass, RPKI & IRR

108.145.40.0/23 AT&T Enterprises, LLC

Announced by AS7287 AT&T Enterprises, LLC. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 108.145.40.0/23

Origin
AS7287 PBI-NET-BLK2
RPKI
RPKI valid
Size
512 addresses
More specifics
0
IRR route objects
1 exact, 3 covering
In RouteViews
2026-10-13 20:02 UTC

How 108.145.40.0/23 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 7018 7287
OriginAS7287 AT&T Enterprises, LLC
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated5d 17h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 7018 7287
OriginAS7287 AT&T Enterprises, LLC
Origin codeIGP
Communities903:900 903:13760
Updated6d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7018 7287
OriginAS7287 AT&T Enterprises, LLC
Origin codeIGP
Communities36295:100
Updated6d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 7018 7287
OriginAS7287 AT&T Enterprises, LLC
Origin codeIGP
Communities174:21000 174:22013
Updated6d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 7018 7287
OriginAS7287 AT&T Enterprises, LLC
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated6d 22h ago

Route origin authorizations

Covered by a ROA authorizing AS7287 to originate 108.145.40.0/23 up to /23. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
108.145.40.0/23/23AS7287 PBI-NET-BLK2ARIN
108.145.32.0/20/20AS7287 PBI-NET-BLK2ARIN
108.144.0.0/14/14AS7018 ATT-INTERNET4ARIN

Route objects

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

RouteOriginSourceDescriptionMaintained by
108.145.40.0/23AS7287 PBI-NET-BLK2ARINAT&T Enterprises, LLCMNT-AEL-360
108.145.0.0/16 coveringAS20057 ATT-MOBILITY-LLC-AS20057LEVEL3An AT&T Mobility NetworkAWS-MNT
108.144.0.0/14 coveringAS7018 ATT-INTERNET4ARINAT&T Enterprises, LLCMNT-AEL-360
108.144.0.0/12 coveringAS20057 ATT-MOBILITY-LLC-AS20057LEVEL3An AT&T Mobility NetworkAWS-MNT

Covering prefixes

Announced prefixes that contain this one, most specific first.

Check 108.145.40.0/23 live