Network · AS15726

AS15726 MARCANT AG

AS15726 (MARCANT AG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS15726

OwnerMARCANT AG
KindInternet service provider
Servers, not peopleno
IPv4 addresses12,544
IPv4 ranges5
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

217.14.160.0/20
213.149.64.0/20
46.231.232.0/21
37.60.200.0/21
193.39.192.0/24

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

Check an IP address →

Detect it in code

Spot AS15726 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 AS15726

Is AS15726 a datacenter or VPN network?

AS15726 (MARCANT AG) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS15726?

AS15726 is registered to MARCANT AG. It announces about 12,544 IPv4 addresses.

How do I detect traffic from AS15726?

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.