Network · AS203972

AS203972 LLC TatAISneft

AS203972 (LLC TatAISneft) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS203972

OwnerLLC TatAISneft
KindInternet service provider
Servers, not peopleno
IPv4 addresses5,120
IPv4 ranges4
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

185.148.216.0/21
185.150.12.0/22
185.149.64.0/22
185.117.144.0/22

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

Check an IP address →

Detect it in code

Spot AS203972 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 AS203972

Is AS203972 a datacenter or VPN network?

AS203972 (LLC TatAISneft) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS203972?

AS203972 is registered to LLC TatAISneft. It announces about 5,120 IPv4 addresses.

How do I detect traffic from AS203972?

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.