Network · AS63555

AS63555 Beijing Beilong Yunhai Network Data Technology Corporation

AS63555 (Beijing Beilong Yunhai Network Data Technology Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS63555

OwnerBeijing Beilong Yunhai Network Data Te
KindInternet service provider
Servers, not peopleno
IPv4 addresses3,328
IPv4 ranges9
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

223.0.8.0/22
223.0.12.0/23
223.0.41.0/24
223.0.30.0/24
223.0.2.0/24
223.0.16.0/24
223.0.15.0/24
223.0.126.0/24
223.0.1.0/24

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

Check an IP address →

Detect it in code

Spot AS63555 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 AS63555

Is AS63555 a datacenter or VPN network?

AS63555 (Beijing Beilong Yunhai Network Data Technology Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS63555?

AS63555 is registered to Beijing Beilong Yunhai Network Data Technology Corporation. It announces about 3,328 IPv4 addresses.

How do I detect traffic from AS63555?

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.