Network · AS400427

AS400427 IQ Fiber

AS400427 (IQ Fiber) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS400427

OwnerIQ Fiber
KindInternet service provider
Servers, not peopleno
IPv4 addresses57,856
IPv4 ranges11
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

204.1.0.0/18
128.242.0.0/18
38.85.128.0/19
38.61.96.0/19
38.186.32.0/20
204.0.120.0/21
206.225.0.0/22
72.51.12.0/23
216.120.144.0/23
66.33.79.0/24
66.33.58.0/24

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

Check an IP address →

Detect it in code

Spot AS400427 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 AS400427

Is AS400427 a datacenter or VPN network?

AS400427 (IQ Fiber) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS400427?

AS400427 is registered to IQ Fiber. It announces about 57,856 IPv4 addresses.

How do I detect traffic from AS400427?

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.