143.58.9.0/24 Mayer Brown International LLP
Announced by AS29120 Mayer Brown International LLP. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 143.58.9.0/24
Prefix
Origin
AS29120 ROWEMAW-AS
RPKI
RPKI valid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 1 covering
In RouteViews
2026-10-14 16:02 UTC
Paths
How 143.58.9.0/24 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 3356 29120
| Origin | AS29120 Mayer Brown International LLP |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 13h 18m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 29120
| Origin | AS29120 Mayer Brown International LLP |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 23h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 3356 29120
| Origin | AS29120 Mayer Brown International LLP |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 23h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS29120 to originate 143.58.9.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 143.58.9.0/24 | /24 | AS29120 ROWEMAW-AS | ARIN |
| 143.58.8.0/22 | /22 | AS29120 ROWEMAW-AS | ARIN |
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 |
|---|---|---|---|---|
| 143.58.9.0/24 | AS29120 ROWEMAW-AS | ARIN | EMEA | MNT-MBRML |
| 143.58.9.0/24 | AS29120 ROWEMAW-AS | LEVEL3 | N | LEVEL3-MNT |
| 143.58.8.0/22 covering | AS29120 ROWEMAW-AS | ARIN | Mayer Brown LLP | MNT-MBRML |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.