216.145.222.0/24 Mimecast North America Inc
Announced by AS30031 Mimecast North America Inc. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 216.145.222.0/24
Prefix
Origin
AS30031 MIMECAST-US
RPKI
RPKI valid
Size
256 addresses
Less specific
none
More specifics
0
IRR route objects
14 exact, 1 covering
In RouteViews
2026-10-15 16:02 UTC
Paths
How 216.145.222.0/24 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 30031
| Origin | AS30031 Mimecast North America Inc |
| Origin code | IGP |
| Communities | 174:21000 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 10h 57m ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 30031
| Origin | AS30031 Mimecast North America Inc |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 11h 0m ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6461 30031
| Origin | AS30031 Mimecast North America Inc |
| Origin code | IGP |
| Communities | 6461:5998 36295:100 36295:6461 |
| Updated | 1d 0h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS30031 to originate 216.145.222.0/24 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 216.145.222.0/24 | /24 | AS30031 MIMECAST-US | ARIN |
| 216.145.222.0/24 | /24 | AS33538 MIMECAST-CA | ARIN |
| 216.145.222.0/24 | /24 | AS37235 Mimecast South Africa | ARIN |
| 216.145.222.0/24 | /24 | AS39588 MIMECAST-DE | ARIN |
| 216.145.222.0/24 | /24 | AS42427 MIMECAST-UK | ARIN |
| 216.145.222.0/24 | /24 | AS60492 MIMECAST-JE | ARIN |
| 216.145.222.0/24 | /24 | AS136792 MIMECAST-AS-AP | 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 |
|---|---|---|---|---|
| 216.145.222.0/24 | AS30031 MIMECAST-US | ARIN | 191 Spring St Lexington MA 02421 United States | MNT-MNA-95 |
| 216.145.222.0/24 | AS33538 MIMECAST-CA | ARIN | 191 Spring St Lexington MA 02421 United States | MNT-MNA-95 |
| 216.145.222.0/24 | AS37235 Mimecast South Africa | ARIN | 191 Spring St Lexington MA 02421 United States | MNT-MNA-95 |
| 216.145.222.0/24 | AS39588 MIMECAST-DE | ARIN | 191 Spring St Lexington MA 02421 United States | MNT-MNA-95 |
| 216.145.222.0/24 | AS42427 MIMECAST-UK | ARIN | 191 Spring St Lexington MA 02421 United States | MNT-MNA-95 |
| 216.145.222.0/24 | AS60492 MIMECAST-JE | ARIN | 191 Spring St Lexington MA 02421 United States | MNT-MNA-95 |
| 216.145.222.0/24 | AS136792 MIMECAST-AS-AP | ARIN | 191 Spring St Lexington MA 02421 United States | MNT-MNA-95 |
| 216.145.222.0/24 | AS136792 MIMECAST-AS-AP | NTTCOM | Mimecast | MAINT-EQUINIXPAC |
| 216.145.222.0/24 | AS30031 MIMECAST-US | RADB | Mimecast | MAINT-AS42427 |
| 216.145.222.0/24 | AS33538 MIMECAST-CA | RADB | Mimecast | MAINT-AS42427 |
| 216.145.222.0/24 | AS37235 Mimecast South Africa | RADB | Mimecast | MAINT-AS42427 |
| 216.145.222.0/24 | AS39588 MIMECAST-DE | RADB | Mimecast | MAINT-AS42427 |
| 216.145.222.0/24 | AS42427 MIMECAST-UK | RADB | Mimecast | MAINT-AS42427 |
| 216.145.222.0/24 | AS136792 MIMECAST-AS-AP | RADB | Mimecast | MAINT-AS42427 |
| 216.145.208.0/20 covering | AS32618 GENESYS-CLOUD-PURESCALE | LEVEL3 | Proxy-registered route object | LEVEL3-MNT |