Network · AS25653

AS25653 FortressITX

AS25653 (FortressITX) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS25653

OwnerFortressITX
KindInternet service provider
Servers, not peopleno
IPv4 addresses89,600
IPv4 ranges72
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

69.72.192.0/19
69.72.160.0/19
65.98.64.0/19
69.72.224.0/20
65.98.96.0/20
216.67.240.0/20
208.116.32.0/20
69.72.152.0/21
69.72.128.0/21
65.98.56.0/21
65.98.40.0/21
65.98.112.0/21

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

Check an IP address →

Detect it in code

Spot AS25653 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 AS25653

Is AS25653 a datacenter or VPN network?

AS25653 (FortressITX) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS25653?

AS25653 is registered to FortressITX. It announces about 89,600 IPv4 addresses.

How do I detect traffic from AS25653?

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.