ResearchRouting table, looking glass, RPKI & IRR

81.20.252.0/22 NOS COMUNICACOES, S.A.

Announced by AS2860 NOS COMUNICACOES, S.A. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 81.20.252.0/22

Prefix
81.20.252.0/22
Origin
AS2860 NOS_COMUNICACOES
RPKI
RPKI valid
Size
1,024 addresses
Less specific
81.20.240.0/20 AS42580 CABOTVA
More specifics
0
IRR route objects
0 exact, 2 covering
In RouteViews
2026-10-13 20:02 UTC
Paths

How 81.20.252.0/22 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 13760 3356 2860
OriginAS2860 NOS COMUNICACOES, S.A.
Origin codeIGP
Communities3356:2 3356:22 3356:100 3356:123 3356:527 3356:901 3356:2270 36601:150 36601:2001 36601:13760
Updated12h 18m ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2860
OriginAS2860 NOS COMUNICACOES, S.A.
Origin codeIGP
Communities903:900 903:13760
Updated6d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 2860
OriginAS2860 NOS COMUNICACOES, S.A.
Origin codeIGP
Communities36295:100
Updated6d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 2860
OriginAS2860 NOS COMUNICACOES, S.A.
Origin codeIGP
Communitiesnone
Updated6d 3h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3356 2860
OriginAS2860 NOS COMUNICACOES, S.A.
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 21h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS2860 to originate 81.20.252.0/22 up to /22. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
81.20.252.0/22/22AS2860 NOS_COMUNICACOESRIPE
81.20.240.0/20/20AS2860 NOS_COMUNICACOESRIPE
81.20.240.0/20/20AS42580 CABOTVARIPE
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
81.20.240.0/20 coveringAS2860 NOS_COMUNICACOESRIPENMNT-TVACOREANA, AS2860-MNT
81.20.240.0/20 coveringAS42580 CABOTVARIPECabo TV AcoreanaMNT-TVACOREANA
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

81.20.240.0/20 AS42580 CABOTVA
Tools

Check 81.20.252.0/22 live

Looking glassIP to ASN APIRPKI APIIRR API