Network · AS38631

AS38631 LINE Corporation

AS38631 (LINE Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS38631

  • OwnerLINE Corporation
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses108,288
  • IPv4 ranges13
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 43.223.0.0/16
  • 147.92.128.0/17
  • 203.104.128.0/20
  • 203.104.144.0/21
  • 203.104.152.0/22
  • 203.104.156.0/23
  • 119.235.236.0/23
  • 103.2.30.0/23
  • 203.104.158.0/24
  • 119.235.235.0/24
  • 119.235.232.0/24
  • 119.235.224.0/24

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

Check an IP address →

Detect it in code

Spot AS38631 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 AS38631

Is AS38631 a datacenter or VPN network?

AS38631 (LINE Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS38631?

AS38631 is registered to LINE Corporation. It announces about 108,288 IPv4 addresses.

How do I detect traffic from AS38631?

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.