ResearchRouting table, looking glass, RPKI & IRR

181.191.40.0/23 R F de Souza Junior

Announced by AS266000 R F de Souza Junior. RPKI not found Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 181.191.40.0/23

Prefix
181.191.40.0/23
Origin
AS266000 AS266000
RPKI
RPKI not found
Size
512 addresses
Less specific
181.191.40.0/22 AS266000 AS266000
More specifics
2
IRR route objects
1 exact, 3 covering
In RouteViews
2026-10-15 12:02 UTC
Paths

How 181.191.40.0/23 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 14840 265080 266000
OriginAS266000 R F de Souza Junior
Origin codeIGP
Communities174:21301 174:22042 36601:150 36601:174 36601:2001
Updated3d 22h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 37468 28220 265080×4 266000
OriginAS266000 R F de Souza Junior
Origin codeIGP
Communities903:900 903:13760
Updated7d 2h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 52320 28220×2 265080×4 266000
OriginAS266000 R F de Souza Junior
Origin codeIGP
Communities36295:100
Updated7d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 14840 265080 266000
OriginAS266000 R F de Souza Junior
Origin codeIGP
Communities174:21301 174:22042
Updated3d 22h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 14840 265080 266000
OriginAS266000 R F de Souza Junior
Origin codeIGP
Communities174:21301 174:22042 36295:100 36295:174
Updated3d 22h ago
RPKI

Route origin authorizations

No ROA covers this prefix, so RPKI has nothing to say about who may originate it. Validate another origin.

IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
181.191.40.0/23AS266000 AS266000RADBCLIENTE_MOB_R F de Souza JuniorMAINT-AS61832
181.191.40.0/22 coveringAS266000 AS266000NTTCOMProxy for BrSimplesMAINT-AS265389
181.191.40.0/22 coveringAS266000 AS266000RADBCLARO S.A. CustomerMAINT-AS4230
181.191.0.0/16 coveringAS52284 AS52284RADBCOLUMBUS NETWORKS TRANSIT CUSTOMERSMAINT-AS23520
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

181.191.40.0/22 AS266000 AS266000
More specific

Prefixes inside 181.191.40.0/23

2 announced prefixes fall inside this one.

Show the 2 prefixes
181.191.40.0/24 AS266000 AS266000181.191.41.0/24 AS266000 AS266000
Tools

Check 181.191.40.0/23 live

Looking glassIP to ASN APIRPKI APIIRR API