AS30031 Mimecast North America Inc 🇺🇸 US
Announcing 26 prefixes, seen at the RIS collectors.
IPv4 prefixes
21
5,888 (23 × /24)
IPv6 prefixes
5
5 × /48
Upstreams
4
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS30031
- Name
- Mimecast North America Inc
- Organisation
- Mimecast North America Inc
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2017-07-07
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
26 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 41.74.203.0/24 v4 | no ROA | 11 | 3549335630031 | 2026-09-18 |
| 63.128.21.0/24 v4 | no ROA | 43 | 34549646130031 | 2026-09-18 |
| 170.10.128.0/23 v4 | RPKI valid | 42 | 34549646130031 | 2026-09-18 |
| 170.10.130.0/24 v4 | RPKI valid | 42 | 34549646130031 | 2026-09-18 |
| 170.10.131.0/24 v4 | RPKI valid | 43 | 34549646130031 | 2026-09-18 |
| 170.10.132.0/23 v4 | RPKI valid | 43 | 34549646130031 | 2026-09-18 |
| 170.10.140.0/24 v4 | RPKI valid | 43 | 70181221330031 | 2026-09-18 |
| 170.10.142.0/24 v4 | RPKI valid | 9 | 3549335630031 | 2026-09-18 |
| 170.10.150.0/24 v4 | RPKI valid | 43 | 34549646130031 | 2026-09-18 |
| 170.10.151.0/24 v4 | RPKI valid | 43 | 34549646130031 | 2026-09-18 |
| 170.10.152.0/24 v4 | RPKI valid | 43 | 34549646130031 | 2026-09-18 |
| 170.10.153.0/24 v4 | RPKI valid | 43 | 34549646130031 | 2026-09-18 |
| 170.10.156.0/24 v4 | RPKI valid | 43 | 34549646130031 | 2026-09-18 |
| 170.10.157.0/24 v4 | RPKI valid | 43 | 34549646130031 | 2026-09-18 |
| 205.139.110.0/24 v4 | no ROA | 43 | 34549646130031 | 2026-09-18 |
| 205.139.111.0/24 v4 | no ROA | 43 | 34549646130031 | 2026-09-18 |
| 207.211.30.0/24 v4 | no ROA | 42 | 34549646130031 | 2026-09-18 |
| 216.145.218.0/24 v4 | RPKI valid | 11 | 3549335630031 | 2026-09-18 |
| 216.145.219.0/24 v4 | RPKI valid | 42 | 34549646130031 | 2026-09-18 |
| 216.145.222.0/24 v4 | RPKI valid | 11 | 3549335630031 | 2026-09-18 |
| 216.205.24.0/24 v4 | no ROA | 42 | 34549646130031 | 2026-09-18 |
| 2620:134:6000::/48 v6 | RPKI valid | 34 | 38001291430031 | 2026-09-18 |
| 2620:134:6001::/48 v6 | RPKI valid | 35 | 34549646130031 | 2026-09-18 |
| 2620:134:6002::/48 v6 | RPKI valid | 33 | 38001291430031 | 2026-09-18 |
| 2620:134:6008::/48 v6 | RPKI valid | 35 | 34549646130031 | 2026-09-18 |
| 2620:134:6009::/48 v6 | RPKI valid | 35 | 34549646130031 | 2026-09-18 |