Network · AS57242

AS57242 FOP Martyinchuk Aleksandr Vasilevich

AS57242 (FOP Martyinchuk Aleksandr Vasilevich) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS57242

OwnerFOP Martyinchuk Aleksandr Vasilevich
KindInternet service provider
Servers, not peopleno
IPv4 addresses2,048
IPv4 ranges6
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

81.163.214.0/23
81.163.208.0/23
81.163.213.0/24
81.163.211.0/24
45.156.220.0/24
45.155.89.0/24

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

Check an IP address →

Detect it in code

Spot AS57242 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 AS57242

Is AS57242 a datacenter or VPN network?

AS57242 (FOP Martyinchuk Aleksandr Vasilevich) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS57242?

AS57242 is registered to FOP Martyinchuk Aleksandr Vasilevich. It announces about 2,048 IPv4 addresses.

How do I detect traffic from AS57242?

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.