Network · AS139802

AS139802 Syntax IT

AS139802 (Syntax IT) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS139802

OwnerSyntax IT
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,792
IPv4 ranges5
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

144.48.86.0/23
103.214.80.0/23
144.48.85.0/24
103.214.83.0/24
103.145.102.0/24

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

Check an IP address →

Detect it in code

Spot AS139802 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 AS139802

Is AS139802 a datacenter or VPN network?

AS139802 (Syntax IT) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS139802?

AS139802 is registered to Syntax IT. It announces about 1,792 IPv4 addresses.

How do I detect traffic from AS139802?

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.