ResearchRouting table, looking glass, RPKI & IRR

187.45.152.0/23 GUIFAMI Informatica Ltda.

Announced by AS28370 GUIFAMI Informatica Ltda. RPKI valid Seen by 5 of our 5 looking glass sessions.

Summary

What the table says about 187.45.152.0/23

Prefix
187.45.152.0/23
Origin
AS28370 AS28370
RPKI
RPKI valid
Size
512 addresses
Less specific
187.45.152.0/22 AS28370 AS28370
More specifics
2
IRR route objects
2 exact, 6 covering
In RouteViews
2026-10-12 12:02 UTC
Paths

How 187.45.152.0/23 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 13760 3356 28370×5
OriginAS28370 GUIFAMI Informatica Ltda.
Origin codeIGP
Communities3356:5 3356:22 3356:100 3356:123 3356:800 3356:901 3356:2190 36601:150 36601:2001 36601:13760
Updated4d 10h ago
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 28370×5
OriginAS28370 GUIFAMI Informatica Ltda.
Origin codeIGP
Communities903:900 903:13760
Updated4d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 28370×2
OriginAS28370 GUIFAMI Informatica Ltda.
Origin codeIGP
Communities36295:100
Updated4d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Jacksonville, FL)Collector-2-COCOA-FL36295 6939 28370×2
OriginAS28370 GUIFAMI Informatica Ltda.
Origin codeIGP
Communitiesnone
Updated4d 18h ago
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Orlando, FL)Collector-2-COCOA-FL36295 174 3356 28370×5
OriginAS28370 GUIFAMI Informatica Ltda.
Origin codeIGP
Communities174:21000 174:22013 36295:100 36295:174
Updated8d 11h ago
RPKI

Route origin authorizations

Covered by a ROA authorizing AS28370 to originate 187.45.152.0/23 up to /23. Validate another origin.

ROA prefixMax lengthAuthorized originTrust anchor
187.45.152.0/23/23AS28370 AS28370LACNIC
187.45.152.0/22/22AS28370 AS28370LACNIC
187.45.152.0/21/21AS28370 AS28370LACNIC
187.45.144.0/20/20AS28370 AS28370LACNIC
IRR

Route objects

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

RouteOriginSourceDescriptionMaintained by
187.45.152.0/23AS28370 AS28370RADB3AX TelecomMAINT-AS28370
187.45.152.0/23AS28370 AS28370TC3AX TelecomMAINT-AS28370
187.45.152.0/22 coveringAS28370 AS28370RADB3AX TelecomMAINT-AS28370
187.45.152.0/22 coveringAS28370 AS28370TC3AX TelecomMAINT-AS28370
187.45.152.0/21 coveringAS28370 AS28370RADB3AX TelecomMAINT-AS28370
187.45.152.0/21 coveringAS28370 AS28370TC3AX TelecomMAINT-AS28370
187.45.144.0/20 coveringAS28370 AS28370RADB3AX TelecomMAINT-AS28370
187.45.144.0/20 coveringAS28370 AS28370TC3AX TelecomMAINT-AS28370
Less specific

Covering prefixes

Announced prefixes that contain this one, most specific first.

187.45.152.0/22 AS28370 AS28370187.45.152.0/21 AS28370 AS28370187.45.144.0/20 AS28370 AS28370
More specific

Prefixes inside 187.45.152.0/23

2 announced prefixes fall inside this one.

Show the 2 prefixes
187.45.152.0/24 AS28370 AS28370187.45.153.0/24 AS28370 AS28370
Tools

Check 187.45.152.0/23 live

Looking glassIP to ASN APIRPKI APIIRR API