Network · AS400304

AS400304 Redoubt Networks

AS400304 (Redoubt Networks) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS400304

  • OwnerRedoubt Networks
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses9,472
  • IPv4 ranges17
  • IPv6 ranges3
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 167.17.72.0/21
  • 216.126.232.0/22
  • 104.36.84.0/22
  • 104.204.64.0/22
  • 66.23.198.0/23
  • 162.222.18.0/23
  • 145.79.224.0/23
  • 104.36.82.0/23
  • 86.107.101.0/24
  • 66.23.193.0/24
  • 23.147.152.0/24
  • 216.181.107.0/24

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

Check an IP address →

Detect it in code

Spot AS400304 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 AS400304

Is AS400304 a datacenter or VPN network?

AS400304 (Redoubt Networks) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS400304?

AS400304 is registered to Redoubt Networks. It announces about 9,472 IPv4 addresses.

How do I detect traffic from AS400304?

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.