Network · AS19404

AS19404 Quest

AS19404 (Quest) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS19404

  • OwnerQuest
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses6,656
  • IPv4 ranges12
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 208.74.236.0/22
  • 208.67.176.0/22
  • 207.54.8.0/22
  • 199.47.176.0/22
  • 207.54.4.0/23
  • 207.54.2.0/23
  • 74.113.87.0/24
  • 74.113.85.0/24
  • 207.54.7.0/24
  • 207.54.12.0/24
  • 207.54.1.0/24
  • 207.104.165.0/24

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

Check an IP address →

Detect it in code

Spot AS19404 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 AS19404

Is AS19404 a datacenter or VPN network?

AS19404 (Quest) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS19404?

AS19404 is registered to Quest. It announces about 6,656 IPv4 addresses.

How do I detect traffic from AS19404?

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.