Network · AS18257

AS18257 ChangZhou Bitcomm Software Technology Co., Limited

AS18257 (ChangZhou Bitcomm Software Technology Co., Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS18257

  • OwnerChangZhou Bitcomm Software Technology
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses6,656
  • IPv4 ranges4
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 118.184.176.0/20
  • 118.184.168.0/21
  • 118.184.158.0/24
  • 118.184.152.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS18257 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 AS18257

Is AS18257 a datacenter or VPN network?

AS18257 (ChangZhou Bitcomm Software Technology Co., Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS18257?

AS18257 is registered to ChangZhou Bitcomm Software Technology Co., Limited. It announces about 6,656 IPv4 addresses.

How do I detect traffic from AS18257?

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.