ResearchRouting table, looking glass, RPKI & IRR

187.108.56.0/21 Companhia Itabirana Telecomunicacoes Ltda

Announced by AS28201 Companhia Itabirana Telecomunicacoes Ltda. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 187.108.56.0/21

Prefix
187.108.56.0/21
Origin
AS28201 AS28201
RPKI
RPKI valid
Size
2,048 addresses
Less specific
187.108.48.0/20 AS28201 AS28201
More specifics
6
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-14 20:02 UTC
Paths

How 187.108.56.0/21 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 3356 28201
OriginAS28201 Companhia Itabirana Telecomunicacoes Ltda
Origin codeIGP
Communities174:21000 174:22013 36601:150 36601:174 36601:2001
Updated2h 6m ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 28201
OriginAS28201 Companhia Itabirana Telecomunicacoes Ltda
Origin codeIGP
Communities903:900 903:13760
Updated2h 6m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 3356 28201
OriginAS28201 Companhia Itabirana Telecomunicacoes Ltda
Origin codeIGP
Communities6461:5997 36295:100 36295:6461
Updated2h 6m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 174 3356 28201
OriginAS28201 Companhia Itabirana Telecomunicacoes Ltda
Origin codeIGP
Communities174:21000 174:22013
Updated2h 6m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3356 28201
OriginAS28201 Companhia Itabirana Telecomunicacoes Ltda
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated2h 6m ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS28201 to originate 187.108.48.0/20 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
187.108.48.0/20/24AS28201 AS28201LACNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
187.108.56.0/21AS28201 AS28201RADBVALENETMAINT-AS28201
187.108.48.0/20 coveringAS28201 AS28201RADBVALENETMAINT-AS28201
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

187.108.48.0/20 AS28201 AS28201
More specific

Prefixes inside 187.108.56.0/21

6 announced prefixes fall inside this one.

Show the 6 prefixes
187.108.56.0/22 AS28201 AS28201187.108.56.0/23 AS28201 AS28201187.108.58.0/23 AS28201 AS28201187.108.60.0/22 AS28201 AS28201187.108.60.0/23 AS28201 AS28201187.108.62.0/23 AS28201 AS28201
Tools

Check 187.108.56.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API