187.103.166.0/23 S.I. TELECOM. SERVICOS DE TELEFONIA LTDA EPP
Announced by AS53102 S.I. TELECOM. SERVICOS DE TELEFONIA LTDA EPP. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 187.103.166.0/23
Prefix
Origin
AS53102 AS53102
RPKI
RPKI valid
Size
512 addresses
Less specific
More specifics
2
IRR route objects
1 exact, 3 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 187.103.166.0/23 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 268624 53102
| Origin | AS53102 S.I. TELECOM. SERVICOS DE TELEFONIA LTDA EPP |
| Origin code | IGP |
| Communities | 3356:5 3356:22 3356:100 3356:123 3356:800 3356:901 3356:2190 36601:150 36601:2001 36601:13760 |
| Updated | 4d 18h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 268624 53102
| Origin | AS53102 S.I. TELECOM. SERVICOS DE TELEFONIA LTDA EPP |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 2h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 268624 53102
| Origin | AS53102 S.I. TELECOM. SERVICOS DE TELEFONIA LTDA EPP |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 2h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS53102 to originate 187.103.160.0/20 up to /32. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 187.103.160.0/20 | /32 | AS53102 AS53102 | 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 |
|---|---|---|---|---|
| 187.103.166.0/23 | AS53102 AS53102 | TC | Sitel Telecom. Provedor de Internet LTDA | MAINT-AS53102 |
| 187.103.160.0/20 covering | AS53102 AS53102 | ALTDB | /20 SITEL | MAINT-AS53102 |
| 187.103.160.0/20 covering | AS53102 AS53102 | RADB | ITX-SAMM | MAINT-AS18678 |
| 187.103.160.0/20 covering | AS53102 AS53102 | TC | Sitel Telecom. Provedor de Internet LTDA | MAINT-AS53102 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 187.103.166.0/23
2 announced prefixes fall inside this one.