Network · AS56309

AS56309 Siamdata Communication Co.,ltd.

AS56309 (Siamdata Communication Co.,ltd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS56309

OwnerSiamdata Communication Co.,ltd.
KindInternet service provider
Servers, not peopleno
IPv4 addresses28,160
IPv4 ranges34
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

157.85.96.0/20
119.10.136.0/21
45.154.24.0/22
45.144.164.0/22
45.136.252.0/22
43.229.76.0/22
43.229.148.0/22
43.229.132.0/22
43.228.84.0/22
203.159.92.0/22
199.21.172.0/22
117.18.124.0/22

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

Check an IP address →

Detect it in code

Spot AS56309 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 AS56309

Is AS56309 a datacenter or VPN network?

AS56309 (Siamdata Communication Co.,ltd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS56309?

AS56309 is registered to Siamdata Communication Co.,ltd.. It announces about 28,160 IPv4 addresses.

How do I detect traffic from AS56309?

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.