Network · AS43231

AS43231 KARBIL YAZILIM VE BILISIM TEKNOLOJILERI TIC. A.S.

AS43231 (KARBIL YAZILIM VE BILISIM TEKNOLOJILERI TIC. A.S.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS43231

OwnerKARBIL YAZILIM VE BILISIM TEKNOLOJILER
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,280
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

185.188.36.0/22
89.44.108.0/24

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

Check an IP address →

Detect it in code

Spot AS43231 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 AS43231

Is AS43231 a datacenter or VPN network?

AS43231 (KARBIL YAZILIM VE BILISIM TEKNOLOJILERI TIC. A.S.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS43231?

AS43231 is registered to KARBIL YAZILIM VE BILISIM TEKNOLOJILERI TIC. A.S.. It announces about 1,280 IPv4 addresses.

How do I detect traffic from AS43231?

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.