Network · AS49858

AS49858 Borje Josefsson trading as UNIMASTER Datakonsult

AS49858 (Borje Josefsson trading as UNIMASTER Datakonsult) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS49858

  • OwnerBorje Josefsson trading as UNIMASTER D
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses256
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 37.156.194.0/24

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

Check an IP address →

Detect it in code

Spot AS49858 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 AS49858

Is AS49858 a datacenter or VPN network?

AS49858 (Borje Josefsson trading as UNIMASTER Datakonsult) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS49858?

AS49858 is registered to Borje Josefsson trading as UNIMASTER Datakonsult. It announces about 256 IPv4 addresses.

How do I detect traffic from AS49858?

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.