185.58.87.0/24 Mimecast Services Limited
Announced by AS42427 Mimecast Services Limited. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 185.58.87.0/24
Prefix
Origin
AS42427 MIMECAST-UK
RPKI
RPKI valid
Size
256 addresses
Less specific
none
More specifics
0
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-13 20:02 UTC
Paths
How 185.58.87.0/24 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 6461 42427
| Origin | AS42427 Mimecast Services Limited |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 5d 19h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 2914 42427
| Origin | AS42427 Mimecast Services Limited |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8h 50m ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 42427
| Origin | AS42427 Mimecast Services Limited |
| Origin code | IGP |
| Communities | 6461:5998 36295:100 36295:6461 |
| Updated | 10h 11m ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS42427 to originate 185.58.87.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 185.58.87.0/24 | /24 | AS42427 MIMECAST-UK | RIPE |
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 |
|---|---|---|---|---|
| 185.58.87.0/24 | AS42427 MIMECAST-UK | RADB | Mimecast | MAINT-AS42427 |
| 185.58.87.0/24 | AS1290 TelstraEuropeLtd-Backbone | RIPE | MIMECAST-NET4 | PSINET-MNT, MCSL-RIPE-MNT |
| 185.58.87.0/24 | AS42427 MIMECAST-UK | RIPE | MIMECAST-NET4 | MCSL-RIPE-MNT |