ResearchRouting table, looking glass, RPKI & IRR

189.51.0.0/20 Transit do Brasil S/A

Announced by AS22177 Transit do Brasil S/A. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 189.51.0.0/20

Prefix
189.51.0.0/20
Origin
AS22177 AS22177
RPKI
RPKI valid
Size
4,096 addresses
Less specific
none
More specifics
16
IRR route objects
2 exact, 0 covering
In RouteViews
2026-10-13 20:02 UTC
Paths

How 189.51.0.0/20 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 23764 22177
OriginAS22177 Transit do Brasil S/A
Origin codeIGP
Communities3356:5 3356:22 3356:100 3356:123 3356:800 3356:901 3356:2190 23764:22511 36601:150 36601:2001 36601:13760 65525:11200 65535:30
Updated5d 19h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 23764 22177
OriginAS22177 Transit do Brasil S/A
Origin codeIGP
Communities903:900 903:13760
Updated6d 4h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 23764 22177
OriginAS22177 Transit do Brasil S/A
Origin codeIGP
Communities36295:100
Updated2h 54m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 23764 22177
OriginAS22177 Transit do Brasil S/A
Origin codeIGP
Communitiesnone
Updated2h 54m ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 12956 23764 22177
OriginAS22177 Transit do Brasil S/A
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated9d 21h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS22177 to originate 189.51.0.0/20 up to /24. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
189.51.0.0/20/24AS22177 AS22177LACNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
189.51.0.0/20AS22177 AS22177RADBCLARO S.A. CustomerMAINT-AS4230
189.51.0.0/20AS22177 AS22177TCFernando SilvaMAINT-AS22177
More specific

Prefixes inside 189.51.0.0/20

16 announced prefixes fall inside this one.

Show the 16 prefixes
189.51.0.0/24 AS22177 AS22177189.51.1.0/24 AS22177 AS22177189.51.2.0/24 AS22177 AS22177189.51.3.0/24 AS22177 AS22177189.51.4.0/24 AS22177 AS22177189.51.5.0/24 AS22177 AS22177189.51.6.0/24 AS22177 AS22177189.51.7.0/24 AS22177 AS22177189.51.8.0/24 AS22177 AS22177189.51.9.0/24 AS22177 AS22177189.51.10.0/24 AS22177 AS22177189.51.11.0/24 AS22177 AS22177189.51.12.0/24 AS22177 AS22177189.51.13.0/24 AS22177 AS22177189.51.14.0/24 AS22177 AS22177189.51.15.0/24 AS22177 AS22177
Tools

Check 189.51.0.0/20 live

Looking glassIP to ASN APIRPKI APIIRR API