Network · AS30031

AS30031 Mimecast North America Inc

AS30031 (Mimecast North America Inc) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS30031

  • OwnerMimecast North America Inc
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses4,864
  • IPv4 ranges11
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 170.10.128.0/22
  • 205.139.110.0/23
  • 170.10.156.0/23
  • 170.10.152.0/23
  • 170.10.150.0/23
  • 170.10.132.0/23
  • 63.128.21.0/24
  • 216.205.24.0/24
  • 216.145.219.0/24
  • 207.211.30.0/24
  • 170.10.140.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS30031 traffic at signup.

Send the visitor's IP. The response includes the ASN, the owner and flags.hosting.

curl https://veqen-app.com/v1/ip/check \
  -H "Authorization: Bearer $VEQEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"ip": "203.0.113.7"}'
import os, requests

r = requests.post(
    "https://veqen-app.com/v1/ip/check",
    headers={"Authorization": f"Bearer {os.environ['VEQEN_API_KEY']}"},
    json={"ip": "203.0.113.7"},
    timeout=10,
)
result = r.json()
print(result["risk"]["verdict"], result["risk"]["reasons"])
const res = await fetch("https://veqen-app.com/v1/ip/check", {
  method: "POST",
  headers: {
    Authorization: `Bearer ${process.env.VEQEN_API_KEY}`,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({"ip": "203.0.113.7"}),
});
const result = await res.json();
console.log(result.risk.verdict, result.risk.reasons);
Questions

About AS30031

Is AS30031 a datacenter or VPN network?

AS30031 (Mimecast North America Inc) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS30031?

AS30031 is registered to Mimecast North America Inc. It announces about 4,864 IPv4 addresses.

How do I detect traffic from AS30031?

Call the Veqen IP check with the visitor's address. The response includes the ASN, the owner and whether the network is a datacenter, VPN network, relay or ISP.