Network · AS139579

AS139579 Mongolsat Networks LLC

AS139579 (Mongolsat Networks LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS139579

  • OwnerMongolsat Networks LLC
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses512
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 103.141.250.0/23

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

Check an IP address →

Detect it in code

Spot AS139579 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 AS139579

Is AS139579 a datacenter or VPN network?

AS139579 (Mongolsat Networks LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS139579?

AS139579 is registered to Mongolsat Networks LLC. It announces about 512 IPv4 addresses.

How do I detect traffic from AS139579?

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.