Network · AS139259

AS139259 ADC GROUP CO.,LIMITED

AS139259 (ADC GROUP CO.,LIMITED) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS139259

OwnerADC GROUP CO.,LIMITED
KindInternet service provider
Servers, not peopleno
IPv4 addresses20,224
IPv4 ranges12
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

103.221.0.0/19
103.221.32.0/20
103.220.248.0/21
45.252.84.0/22
45.252.144.0/22
45.252.100.0/22
103.6.108.0/22
103.221.92.0/23
103.221.50.0/23
103.6.228.0/24
103.221.95.0/24
103.221.49.0/24

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

Check an IP address →

Detect it in code

Spot AS139259 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 AS139259

Is AS139259 a datacenter or VPN network?

AS139259 (ADC GROUP CO.,LIMITED) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS139259?

AS139259 is registered to ADC GROUP CO.,LIMITED. It announces about 20,224 IPv4 addresses.

How do I detect traffic from AS139259?

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.