Data as of Nov 3, 2026
Autonomous system
AS30031
Mimecast North America Inc
Announces 5,888 addresses in 21 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 41.74.203.0/24 since Sep 18, 2026 | Business | Mimecast South Africa | |
| 63.128.21.0/24 since Jul 2017 | Business | CenturyLink Communications, LLC | |
| 170.10.128.0/23 since Mar 2020 | Business | ||
| 170.10.130.0/24 since Mar 2020 | Business | ||
| 170.10.131.0/24 since Mar 2020 | Business | ||
| 170.10.132.0/23 since Mar 2020 | Business | ||
| 170.10.140.0/24 since Jun 2025 | Business | ||
| 170.10.142.0/24 since Sep 18, 2026 | Business | ||
| 170.10.150.0/24 since Sep 2021 | Business | ||
| 170.10.151.0/24 since Sep 2021 | Business | ||
| 170.10.152.0/24 since Sep 2021 | Business | ||
| 170.10.153.0/24 since Sep 2021 | Business | ||
| 170.10.156.0/24 since Jan 2023 | Business | ||
| 170.10.157.0/24 since Jan 2023 | Business | ||
| 205.139.110.0/24 since Jul 2017 | Business | CenturyLink Communications, LLC | |
| 205.139.111.0/24 since Jul 2017 | Business | CenturyLink Communications, LLC | |
| 207.211.30.0/24 since Jan 2018 | Business | Navisite Opco LLC | |
| 216.145.218.0/24 since Sep 18, 2026 | Business | ||
| 216.145.219.0/24 since Sep 2019 | Business | ||
| 216.145.222.0/24 since Sep 18, 2026 | Business | ||
| 216.205.24.0/24 since Jan 2018 | Business | Navisite Opco LLC |
Network & history
Profile
- Registered
- Jul 7, 2017
- Domain
- mimecast.com
- Industry
- Software Development
Routing patterns
How its announcements have moved
Arrivals