ResearchRouting table, looking glass, RPKI & IRR

200.144.160.0/19 UNIVERSIDADE DE SAO PAULO

Announced by AS28571 UNIVERSIDADE DE SAO PAULO. RPKI valid Seen by 5 of our 5 looking glass sessions.

What the table says about 200.144.160.0/19

Origin
AS28571 AS28571
RPKI
RPKI valid
Size
8,192 addresses
Less specific
none
More specifics
4
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-16 08:02 UTC

How 200.144.160.0/19 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 52468 61610 28571
OriginAS28571 UNIVERSIDADE DE SAO PAULO
Origin codeIGP
Communities174:21301 174:22042 36601:150 36601:174 36601:2001
Updated8d 7h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 1916×4 1251 28571
OriginAS28571 UNIVERSIDADE DE SAO PAULO
Origin codeIGP
Communities903:900 903:13760
Updated13h 12m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 61610 28571
OriginAS28571 UNIVERSIDADE DE SAO PAULO
Origin codeIGP
Communities36295:100
Updated6h 5m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 61610 28571
OriginAS28571 UNIVERSIDADE DE SAO PAULO
Origin codeIGP
Communitiesnone
Updated6h 5m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 52468 61610 28571
OriginAS28571 UNIVERSIDADE DE SAO PAULO
Origin codeIGP
Communities174:21301 174:22042 36295:100 36295:174
Updated12d 8h ago

Route origin authorizations

Covered by a ROA authorizing AS28571 to originate 200.144.160.0/19 up to /19. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
200.144.160.0/19/19AS28571 AS28571LACNIC

Route objects

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

RouteOriginSourceDescriptionMaintained by
200.144.160.0/19AS28571 AS28571RADBUNIVERSIDADE DE SAO PAULOMAINT-AS1916
200.144.160.0/19AS28571 AS28571TCNMAINT-AS28571

Prefixes inside 200.144.160.0/19

4 announced prefixes fall inside this one.

Show the 4 prefixes

Check 200.144.160.0/19 live