187.44.38.0/23 MASTER S/A
Announced by AS28202 MASTER S/A. RPKI valid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 187.44.38.0/23
Prefix
Origin
AS28202 AS28202
RPKI
RPKI valid
Size
512 addresses
Less specific
More specifics
0
IRR route objects
0 exact, 4 covering
In RouteViews
2026-10-13 17:13 UTC
RPKI
Route origin authorizations
Covered by a ROA authorizing AS28202 to originate 187.44.0.0/18 up to /25. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 187.44.0.0/18 | /25 | AS28202 AS28202 | 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 |
|---|---|---|---|---|
| 187.44.36.0/22 covering | AS28202 AS28202 | RADB | RBC - Rede Brasileira de Comunicacao S/A | MAINT-AS28202 |
| 187.44.32.0/20 covering | AS28202 AS28202 | RADB | RBC - Rede Brasileira de Comunicacao S/A | MAINT-AS28202 |
| 187.44.32.0/19 covering | AS28202 AS28202 | RADB | RBC - Rede Brasileira de Comunicacao Ltda | MAINT-AS28202 |
| 187.44.0.0/18 covering | AS28202 AS28202 | RADB | RBC - Rede Brasileira de Comunicacao Ltda | MAINT-AS28202 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.