Network · AS56837

AS56837 Tigron bv

AS56837 (Tigron bv) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS56837

OwnerTigron bv
KindInternet service provider
Servers, not peopleno
IPv4 addresses5,376
IPv4 ranges3
IPv6 ranges4

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

86.39.64.0/20
31.22.20.0/22
31.22.16.0/24

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

Check an IP address →

Detect it in code

Spot AS56837 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 AS56837

Is AS56837 a datacenter or VPN network?

AS56837 (Tigron bv) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS56837?

AS56837 is registered to Tigron bv. It announces about 5,376 IPv4 addresses.

How do I detect traffic from AS56837?

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.