Network · AS51540

AS51540 DAL Bilgi Teknolojileri ve Bilisim Sistemleri Ticaret A.S.

AS51540 (DAL Bilgi Teknolojileri ve Bilisim Sistemleri Ticaret A.S.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS51540

  • OwnerDAL Bilgi Teknolojileri ve Bilisim Sis
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses11,008
  • IPv4 ranges23
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 46.31.144.0/21
  • 185.198.196.0/22
  • 185.14.20.0/22
  • 176.43.128.0/22
  • 84.17.80.0/23
  • 195.128.38.0/23
  • 195.128.32.0/23
  • 193.254.252.0/23
  • 84.17.92.0/24
  • 84.17.82.0/24
  • 84.17.78.0/24
  • 84.17.77.0/24

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

Check an IP address →

Detect it in code

Spot AS51540 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 AS51540

Is AS51540 a datacenter or VPN network?

AS51540 (DAL Bilgi Teknolojileri ve Bilisim Sistemleri Ticaret A.S.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS51540?

AS51540 is registered to DAL Bilgi Teknolojileri ve Bilisim Sistemleri Ticaret A.S.. It announces about 11,008 IPv4 addresses.

How do I detect traffic from AS51540?

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.