Network · AS43561

AS43561 Vivacom Bulgaria EAD

AS43561 (Vivacom Bulgaria EAD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS43561

OwnerVivacom Bulgaria EAD
KindInternet service provider
Servers, not peopleno
IPv4 addresses768
IPv4 ranges3
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

95.87.255.0/24
95.87.209.0/24
37.157.191.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS43561 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 AS43561

Is AS43561 a datacenter or VPN network?

AS43561 (Vivacom Bulgaria EAD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS43561?

AS43561 is registered to Vivacom Bulgaria EAD. It announces about 768 IPv4 addresses.

How do I detect traffic from AS43561?

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.