$ query “AS30031” --type=asn → 1 result(s)
AS30031 · MIMECAST-US
Mimecast North America Inc
AS30031 is owned by Mimecast North America Inc and is an enterprise stub network, registered in the United States since 2017. The system announces 5 888 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United States.
Basic Information
- Country
- 🇺🇸 United States
- Category
- Business
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- July 07, 2017
- Last Changed
- March 04, 2026
- Last Seen
- April 28, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 21 / 14
- IPv6 Prefixes (raw / aggregated)
- 5 / 3
- IPv4 Addresses
- 5 888
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /47
- Geolocated Countries
- 🇺🇸 United States (6 144 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 4 upstreams providing transit
- Degree
- 4 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (21 total)
- 170.10.128.0/22 (1 024 addresses (/22 prefix))
- 170.10.150.0/23 (512 addresses (/23 prefix))
- 170.10.132.0/23 (512 addresses (/23 prefix))
- 170.10.152.0/23 (512 addresses (/23 prefix))
- 170.10.156.0/23 (512 addresses (/23 prefix))
- 205.139.110.0/23 (512 addresses (/23 prefix))
- 216.145.218.0/23 (512 addresses (/23 prefix))
- 63.128.21.0/24 (256 addresses (/24 prefix))
- 170.10.140.0/24 (256 addresses (/24 prefix))
- 170.10.142.0/24 (256 addresses (/24 prefix))
- 41.74.203.0/24 (256 addresses (/24 prefix))
- 207.211.30.0/24 (256 addresses (/24 prefix))
- 216.145.222.0/24 (256 addresses (/24 prefix))
- 216.205.24.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (5 total)
- 2620:134:6000::/47
- 2620:134:6008::/47
- 2620:134:6002::/48