Network · AS9378

AS9378 JCOM Co., Ltd.

AS9378 (JCOM Co., Ltd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS9378

  • OwnerJCOM Co., Ltd.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses45,056
  • IPv4 ranges12
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 61.215.128.0/19
  • 61.215.160.0/20
  • 27.116.0.0/20
  • 219.124.16.0/20
  • 218.45.112.0/20
  • 202.179.224.0/20
  • 180.131.192.0/20
  • 124.195.144.0/20
  • 110.93.96.0/20
  • 180.131.152.0/21
  • 27.113.248.0/22
  • 103.3.4.0/22

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

Check an IP address →

Detect it in code

Spot AS9378 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 AS9378

Is AS9378 a datacenter or VPN network?

AS9378 (JCOM Co., Ltd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS9378?

AS9378 is registered to JCOM Co., Ltd.. It announces about 45,056 IPv4 addresses.

How do I detect traffic from AS9378?

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.