Network · AS18111

AS18111 AAPT Limited

AS18111 (AAPT Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS18111

OwnerAAPT Limited
KindInternet service provider
Servers, not peopleno
IPv4 addresses5,376
IPv4 ranges5
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

203.130.160.0/20
203.30.98.0/23
203.33.171.0/24
203.31.48.0/24
203.20.62.0/24

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

Check an IP address →

Detect it in code

Spot AS18111 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 AS18111

Is AS18111 a datacenter or VPN network?

AS18111 (AAPT Limited) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS18111?

AS18111 is registered to AAPT Limited. It announces about 5,376 IPv4 addresses.

How do I detect traffic from AS18111?

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.