Network · AS138331

AS138331 Fidessa ltd

AS138331 (Fidessa ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS138331

  • OwnerFidessa ltd
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses512
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 103.247.136.0/23

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

Check an IP address →

Detect it in code

Spot AS138331 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 AS138331

Is AS138331 a datacenter or VPN network?

AS138331 (Fidessa ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS138331?

AS138331 is registered to Fidessa ltd. It announces about 512 IPv4 addresses.

How do I detect traffic from AS138331?

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.