Network · AS17693

AS17693 YAMATO SYSTEM DEVELOPMENT CO., LTD.

AS17693 (YAMATO SYSTEM DEVELOPMENT CO., LTD.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS17693

OwnerYAMATO SYSTEM DEVELOPMENT CO., LTD.
KindInternet service provider
Servers, not peopleno
IPv4 addresses7,168
IPv4 ranges4
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

218.40.0.0/20
219.100.32.0/22
202.130.60.0/22
103.2.24.0/22

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

Check an IP address →

Detect it in code

Spot AS17693 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 AS17693

Is AS17693 a datacenter or VPN network?

AS17693 (YAMATO SYSTEM DEVELOPMENT CO., LTD.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS17693?

AS17693 is registered to YAMATO SYSTEM DEVELOPMENT CO., LTD.. It announces about 7,168 IPv4 addresses.

How do I detect traffic from AS17693?

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.