Network · AS203658

AS203658 Marcin Jan Peszel trading as TELENETIKS

AS203658 (Marcin Jan Peszel trading as TELENETIKS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS203658

  • OwnerMarcin Jan Peszel trading as TELENETIK
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses512
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 185.127.20.0/23

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS203658 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 AS203658

Is AS203658 a datacenter or VPN network?

AS203658 (Marcin Jan Peszel trading as TELENETIKS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS203658?

AS203658 is registered to Marcin Jan Peszel trading as TELENETIKS. It announces about 512 IPv4 addresses.

How do I detect traffic from AS203658?

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.