Network · AS210404

AS210404 Tunstall Healthcare (UK) Limited

AS210404 (Tunstall Healthcare (UK) Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS210404

OwnerTunstall Healthcare (UK) Limited
KindInternet service provider
Servers, not peopleno
IPv4 addresses512
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

194.216.218.0/24
194.202.131.0/24

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

Check an IP address →

Detect it in code

Spot AS210404 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 AS210404

Is AS210404 a datacenter or VPN network?

AS210404 (Tunstall Healthcare (UK) Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS210404?

AS210404 is registered to Tunstall Healthcare (UK) Limited. It announces about 512 IPv4 addresses.

How do I detect traffic from AS210404?

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.