Network · AS51929

AS51929 Advania Sverige AB

AS51929 (Advania Sverige AB) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS51929

  • OwnerAdvania Sverige AB
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses6,400
  • IPv4 ranges4
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 81.94.160.0/20
  • 193.183.200.0/22
  • 185.58.76.0/22
  • 193.180.206.0/24

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

Check an IP address →

Detect it in code

Spot AS51929 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 AS51929

Is AS51929 a datacenter or VPN network?

AS51929 (Advania Sverige AB) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS51929?

AS51929 is registered to Advania Sverige AB. It announces about 6,400 IPv4 addresses.

How do I detect traffic from AS51929?

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.