Network · AS40300

AS40300 DR Fortress, LLC

AS40300 (DR Fortress, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS40300

OwnerDR Fortress, LLC
KindInternet service provider
Servers, not peopleno
IPv4 addresses3,840
IPv4 ranges5
IPv6 ranges5

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

208.111.56.0/21
205.172.0.0/22
206.197.210.0/24
204.9.119.0/24
161.108.122.0/24

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

Check an IP address →

Detect it in code

Spot AS40300 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 AS40300

Is AS40300 a datacenter or VPN network?

AS40300 (DR Fortress, LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS40300?

AS40300 is registered to DR Fortress, LLC. It announces about 3,840 IPv4 addresses.

How do I detect traffic from AS40300?

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.