177.21.0.0/19 ITS TELECOMUNICACOES LTDA
Announced by AS28186 ITS TELECOMUNICACOES LTDA. RPKI valid Seen by 4 of our 5 looking glass sessions.
Summary
What the table says about 177.21.0.0/19
Prefix
Origin
AS28186 AS28186
RPKI
RPKI valid
Size
8,192 addresses
Less specific
none
More specifics
4
IRR route objects
1 exact, 0 covering
In RouteViews
2026-10-15 16:02 UTC
Paths
How 177.21.0.0/19 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 28186
| Origin | AS28186 ITS TELECOMUNICACOES LTDA |
| Origin code | IGP |
| Communities | 3356:5 3356:22 3356:100 3356:123 3356:800 3356:901 3356:2204 36601:150 36601:2001 36601:13760 |
| Updated | 1d 14h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 28186
| Origin | AS28186 ITS TELECOMUNICACOES LTDA |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 0h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS28186 to originate 177.21.0.0/19 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 177.21.0.0/19 | /24 | AS28186 AS28186 | 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 |
|---|---|---|---|---|
| 177.21.0.0/19 | AS28186 AS28186 | RADB | ITS TELECOMUNICACOES LTDA | MAINT-AS28186 |
More specific
Prefixes inside 177.21.0.0/19
4 announced prefixes fall inside this one.