Network · AS57986

AS57986 Sigma IT Infrastructures Development Co. (Ltd.)

AS57986 (Sigma IT Infrastructures Development Co. (Ltd.)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS57986

  • OwnerSigma IT Infrastructures Development C
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses1,280
  • IPv4 ranges2
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 45.15.200.0/22
  • 85.133.198.0/24

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

Check an IP address →

Detect it in code

Spot AS57986 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 AS57986

Is AS57986 a datacenter or VPN network?

AS57986 (Sigma IT Infrastructures Development Co. (Ltd.)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS57986?

AS57986 is registered to Sigma IT Infrastructures Development Co. (Ltd.). It announces about 1,280 IPv4 addresses.

How do I detect traffic from AS57986?

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.