ResearchRouting table, looking glass, RPKI & IRR

166.220.64.0/19

Announced by AS64011. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 166.220.64.0/19

Origin
RPKI
RPKI valid
Size
8,192 addresses
More specifics
0
IRR route objects
1 exact, 3 covering
In RouteViews
2026-10-12 20:02 UTC

How 166.220.64.0/19 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 20057 64011
OriginAS64011
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated4d 18h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 7018 20057 64011
OriginAS64011
Origin codeIGP
Communities903:900 903:13760
Updated5d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 7018 20057 64011
OriginAS64011
Origin codeIGP
Communities36295:100
Updated5d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 7018 20057 64011
OriginAS64011
Origin codeIGP
Communitiesnone
Updated5d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 7018 20057 64011
OriginAS64011
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated8d 19h ago

Route origin authorizations

Covered by a ROA authorizing AS64011 to originate 166.220.64.0/19 up to /19. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
166.220.64.0/19/19AS64011ARIN
166.220.0.0/16/16AS7018 ATT-INTERNET4ARIN

Route objects

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

RouteOriginSourceDescriptionMaintained by
166.220.64.0/19AS64011ARINAT&T Enterprises, LLCMNT-AEL-360
166.220.0.0/17 coveringAS20057 ATT-MOBILITY-LLC-AS20057LEVEL3An ATTWS networkAWS-MNT
166.220.0.0/16 coveringAS7018 ATT-INTERNET4ARINAT&T Enterprises, LLCMNT-AEL-360
166.220.0.0/16 coveringAS20057 ATT-MOBILITY-LLC-AS20057LEVEL3An ATTWS networkAWS-MNT

Covering prefixes

Announced prefixes that contain this one, most specific first.

Check 166.220.64.0/19 live