Mimecast North America Inc
AS30031 is Mimecast North America Inc (mimecast.com). It announces 5,888 IPv4 addresses in 21 prefixes, and 5 IPv6 prefixes.
United States· ARIN· allocated 2017-07-07· business
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States5,888 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- MIMECAST-US
- name
- Mimecast North America Inc
- org
- MNA-95
- org name
- Mimecast North America Inc
- org address
- 191 Spring St, Lexington, MA, 02421
- org city
- Lexington
- org country
- US
- country
- US
- source
- arin
- created
- 2017-07-07
- updated
- 2017-07-07
- abuse name
- MIMEC-ABUSE
- abuse email
- abuse@mimecast.com
- abuse phone
- +1-617-393-7050
- abuse kind
- role
- abuse city
- Lexington
- abuse country
- US
- admin name
- Brian Davis
- admin email
- bdavis@mimecast.com
- admin phone
- +1-781-996-5340
- admin kind
- person
- admin city
- Lexington
- admin country
- US
- tech name
- Brian Davis
- tech email
- bdavis@mimecast.com
- tech phone
- +1-781-996-5340
- tech kind
- person
- tech city
- Lexington
- tech country
- US
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- None here
- None here
- None here
- None here
- None here
- None here
- Hosting IP1,28021.74%
- None here
- None here
- Anycast IP76813.04%
- None here
- SMTP IP530.90%
- 0.39%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 41.74.203.0/24also AS33538, AS37235, AS39588 | United States | not found | 10 | 2026-10-02 |
| 63.128.21.0/24 | United States | not found | 17 | 2026-10-02 |
| 170.10.128.0/23 | United States | valid | 17 | 2026-10-02 |
| 170.10.130.0/24 | United States | valid | 17 | 2026-10-02 |
| 170.10.131.0/24 | United States | valid | 17 | 2026-10-02 |
| 170.10.132.0/23 | United States | valid | 17 | 2026-10-02 |
| 170.10.140.0/24 | United States | valid | 17 | 2026-10-02 |
| 170.10.142.0/24also AS33538, AS37235, AS39588, AS42427 | United States | valid | 7 | 2026-10-02 |
| 170.10.150.0/24 | United States | valid | 17 | 2026-10-02 |
| 170.10.151.0/24 | United States | valid | 17 | 2026-10-02 |
| 170.10.152.0/24 | United States | valid | 17 | 2026-10-02 |
| 170.10.153.0/24 | United States | valid | 17 | 2026-10-02 |
| 170.10.156.0/24 | United States | valid | 17 | 2026-10-02 |
| 170.10.157.0/24 | United States | valid | 17 | 2026-10-02 |
| 205.139.110.0/24 | United States | not found | 17 | 2026-10-02 |
| 205.139.111.0/24 | United States | not found | 17 | 2026-10-02 |
| 207.211.30.0/24 | United States | not found | 17 | 2026-10-02 |
| 216.145.218.0/24also AS33538, AS37235, AS39588 | United States | valid | 10 | 2026-10-02 |
| 216.145.219.0/24 | United States | valid | 17 | 2026-10-02 |
| 216.145.222.0/24also AS33538, AS37235, AS39588 | United States | valid | 10 | 2026-10-02 |
| 216.205.24.0/24 | United States | not found | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2620:134:6000::/48 | United States | valid | 20 | 2026-10-02 |
| 2620:134:6001::/48 | United States | valid | 20 | 2026-10-02 |
| 2620:134:6002::/48 | United States | valid | 20 | 2026-10-02 |
| 2620:134:6008::/48 | United States | valid | 20 | 2026-10-02 |
| 2620:134:6009::/48 | United States | valid | 20 | 2026-10-02 |
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