Network · AS3925

AS3925 ICOnetworks

AS3925 (ICOnetworks) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS3925

OwnerICOnetworks
KindInternet service provider
Servers, not peopleno
IPv4 addresses25,600
IPv4 ranges5
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

207.111.192.0/18
209.165.192.0/19
209.66.100.0/23
192.5.31.0/24
144.86.191.0/24

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

Check an IP address →

Detect it in code

Spot AS3925 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 AS3925

Is AS3925 a datacenter or VPN network?

AS3925 (ICOnetworks) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS3925?

AS3925 is registered to ICOnetworks. It announces about 25,600 IPv4 addresses.

How do I detect traffic from AS3925?

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.