Network · AS38818

AS38818 YokozunaNET

AS38818 (YokozunaNET) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS38818

OwnerYokozunaNET
KindInternet service provider
Servers, not peopleno
IPv4 addresses10,752
IPv4 ranges4
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

49.0.128.0/19
49.0.168.0/21
203.34.37.0/24
203.174.26.0/24

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

Check an IP address →

Detect it in code

Spot AS38818 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 AS38818

Is AS38818 a datacenter or VPN network?

AS38818 (YokozunaNET) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS38818?

AS38818 is registered to YokozunaNET. It announces about 10,752 IPv4 addresses.

How do I detect traffic from AS38818?

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.