Network · AS42038

AS42038 Krivets Sergey Sergeevich

AS42038 (Krivets Sergey Sergeevich) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS42038

OwnerKrivets Sergey Sergeevich
KindInternet service provider
Servers, not peopleno
IPv4 addresses47,104
IPv4 ranges6
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

5.100.64.0/18
109.126.0.0/18
46.37.128.0/19
37.8.144.0/20
45.158.188.0/22
185.3.172.0/22

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

Check an IP address →

Detect it in code

Spot AS42038 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 AS42038

Is AS42038 a datacenter or VPN network?

AS42038 (Krivets Sergey Sergeevich) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS42038?

AS42038 is registered to Krivets Sergey Sergeevich. It announces about 47,104 IPv4 addresses.

How do I detect traffic from AS42038?

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.