Network · AS43801

AS43801 LLC Modern Communication Technologies

AS43801 (LLC Modern Communication Technologies) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS43801

OwnerLLC Modern Communication Technologies
KindInternet service provider
Servers, not peopleno
IPv4 addresses3,072
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

79.170.160.0/21
185.154.200.0/22

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

Check an IP address →

Detect it in code

Spot AS43801 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 AS43801

Is AS43801 a datacenter or VPN network?

AS43801 (LLC Modern Communication Technologies) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS43801?

AS43801 is registered to LLC Modern Communication Technologies. It announces about 3,072 IPv4 addresses.

How do I detect traffic from AS43801?

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.