ResearchRouting table, looking glass, RPKI & IRR

186.216.136.0/21 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 186.216.136.0/21

Prefix
186.216.136.0/21
Origin
AS28201 AS28201
RPKI
RPKI valid
Size
2,048 addresses
Less specific
186.216.128.0/20 AS28201 AS28201
More specifics
6
IRR route objects
1 exact, 1 covering
In RouteViews
2026-10-14 16:02 UTC
Paths

How 186.216.136.0/21 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
Updated49m 21s 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
Updated49m 12s ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 3356 28201
OriginAS28201 Companhia Itabirana Telecomunicacoes Ltda
Origin codeIGP
Communities36295:100
Updated49m 50s 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
Updated49m 0s 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
Updated49m 26s ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS28201 to originate 186.216.128.0/20 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
186.216.128.0/20/24AS28201 AS28201LACNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
186.216.136.0/21AS28201 AS28201RADBVALENETMAINT-AS28201
186.216.128.0/20 coveringAS28201 AS28201RADBVALENETMAINT-AS28201
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

186.216.128.0/20 AS28201 AS28201
More specific

Prefixes inside 186.216.136.0/21

6 announced prefixes fall inside this one.

Show the 6 prefixes
186.216.136.0/22 AS28201 AS28201186.216.136.0/23 AS28201 AS28201186.216.138.0/23 AS28201 AS28201186.216.140.0/22 AS28201 AS28201186.216.140.0/23 AS28201 AS28201186.216.142.0/23 AS28201 AS28201
Tools

Check 186.216.136.0/21 live

Looking glassIP to ASN APIRPKI APIIRR API