Network · AS21346

AS21346 Enterprise Services Information Security UK Limited

AS21346 (Enterprise Services Information Security UK Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21346

OwnerEnterprise Services Information Securi
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,280
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

194.125.246.0/23
193.19.196.0/23
195.22.158.0/24

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

Check an IP address →

Detect it in code

Spot AS21346 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 AS21346

Is AS21346 a datacenter or VPN network?

AS21346 (Enterprise Services Information Security UK Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21346?

AS21346 is registered to Enterprise Services Information Security UK Limited. It announces about 1,280 IPv4 addresses.

How do I detect traffic from AS21346?

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.