Network · AS50449

AS50449 Limited Liability Company "Kvant"

AS50449 (Limited Liability Company "Kvant") looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS50449

OwnerLimited Liability Company "Kvant"
KindInternet service provider
Servers, not peopleno
IPv4 addresses5,120
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

109.237.224.0/20
185.153.240.0/22

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

Check an IP address →

Detect it in code

Spot AS50449 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 AS50449

Is AS50449 a datacenter or VPN network?

AS50449 (Limited Liability Company "Kvant") looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS50449?

AS50449 is registered to Limited Liability Company "Kvant". It announces about 5,120 IPv4 addresses.

How do I detect traffic from AS50449?

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.