187.61.136.0/21 Alares Cabo Servicos de Telecomunicacoes S.A.
Announced by AS28220 Alares Cabo Servicos de Telecomunicacoes S.A. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 187.61.136.0/21
Prefix
Origin
AS28220 AS28220
RPKI
RPKI valid
Size
2,048 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 6 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 187.61.136.0/21 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 52320 28220×2
| Origin | AS28220 Alares Cabo Servicos de Telecomunicacoes S.A. |
| Origin code | incomplete |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 4d 19h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 52320 28220×2
| Origin | AS28220 Alares Cabo Servicos de Telecomunicacoes S.A. |
| Origin code | incomplete |
| Communities | 903:900 903:13760 |
| Updated | 3d 19h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 52320 28220×2
| Origin | AS28220 Alares Cabo Servicos de Telecomunicacoes S.A. |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 3d 19h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS28220 to originate 187.61.128.0/17 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 187.61.128.0/17 | /24 | AS28220 AS28220 | LACNIC |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 187.61.136.0/21 | AS28220 AS28220 | RADB | N | MAINT-AS28220 |
| 187.61.136.0/21 | AS28220 AS28220 | TC | Alares Internet S/A | MAINT-AS28220 |
| 187.61.128.0/18 covering | AS28220 AS28220 | ALTDB | Cabo Telecom / Natal-RN - BRasil | CABONATAL-BR |
| 187.61.128.0/18 covering | AS28220 AS28220 | RADB | N | MAINT-AS28220 |
| 187.61.128.0/18 covering | AS28220 AS28220 | TC | CABO SERVICOS DE TELECOMUNICACOES LTDA | MAINT-AS28220 |
| 187.61.128.0/17 covering | AS28220 AS28220 | ALTDB | Alares | CABONATAL-BR |
| 187.61.128.0/17 covering | AS28220 AS28220 | RADB | N | MAINT-AS28220 |
| 187.61.128.0/17 covering | AS28220 AS28220 | TC | Alares Internet S/A | MAINT-AS28220 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.