Network · AS9891

AS9891 CS Loxinfo Public Company Limited

AS9891 (CS Loxinfo Public Company Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS9891

OwnerCS Loxinfo Public Company Limited
KindInternet service provider
Servers, not peopleno
IPv4 addresses45,056
IPv4 ranges72
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

27.254.32.0/19
27.254.80.0/21
27.254.64.0/21
27.254.128.0/21
27.254.96.0/22
27.254.92.0/22
27.254.216.0/22
27.254.208.0/22
27.254.172.0/22
27.254.160.0/22
27.254.136.0/22
27.254.108.0/22

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

Check an IP address →

Detect it in code

Spot AS9891 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 AS9891

Is AS9891 a datacenter or VPN network?

AS9891 (CS Loxinfo Public Company Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS9891?

AS9891 is registered to CS Loxinfo Public Company Limited. It announces about 45,056 IPv4 addresses.

How do I detect traffic from AS9891?

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.