Network · AS211121

AS211121 Tiger Network Limited

AS211121 (Tiger Network Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS211121

OwnerTiger Network Limited
KindInternet service provider
Servers, not peopleno
IPv4 addresses5,120
IPv4 ranges4
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

211.102.136.0/21
101.193.116.0/22
101.193.104.0/22
101.192.72.0/22

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

Check an IP address →

Detect it in code

Spot AS211121 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 AS211121

Is AS211121 a datacenter or VPN network?

AS211121 (Tiger Network Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS211121?

AS211121 is registered to Tiger Network Limited. It announces about 5,120 IPv4 addresses.

How do I detect traffic from AS211121?

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.