Network · AS399628

AS399628 Internet Measurement Research

AS399628 (Internet Measurement Research) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS399628

OwnerInternet Measurement Research
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,792
IPv4 ranges7
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

64.95.9.0/24
64.95.14.0/24
64.94.159.0/24
64.94.156.0/24
64.94.153.0/24
209.237.154.0/24
209.188.108.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-21.

Check an IP address →

Detect it in code

Spot AS399628 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 AS399628

Is AS399628 a datacenter or VPN network?

AS399628 (Internet Measurement Research) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS399628?

AS399628 is registered to Internet Measurement Research. It announces about 1,792 IPv4 addresses.

How do I detect traffic from AS399628?

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.