Network · AS198399

AS198399 FASTCON srl

AS198399 (FASTCON srl) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS198399

OwnerFASTCON srl
KindInternet service provider
Servers, not peopleno
IPv4 addresses3,328
IPv4 ranges5
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

37.34.76.0/22
185.95.224.0/22
37.34.72.0/23
195.93.168.0/23
37.34.74.0/24

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

Check an IP address →

Detect it in code

Spot AS198399 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 AS198399

Is AS198399 a datacenter or VPN network?

AS198399 (FASTCON srl) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS198399?

AS198399 is registered to FASTCON srl. It announces about 3,328 IPv4 addresses.

How do I detect traffic from AS198399?

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.