Network · AS43591

AS43591 AddSecure AB

AS43591 (AddSecure AB) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS43591

OwnerAddSecure AB
KindInternet service provider
Servers, not peopleno
IPv4 addresses15,616
IPv4 ranges8
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

85.117.192.0/19
85.117.160.0/21
46.245.152.0/21
85.117.184.0/22
85.117.176.0/22
85.117.174.0/23
85.117.168.0/23
85.117.173.0/24

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

Check an IP address →

Detect it in code

Spot AS43591 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 AS43591

Is AS43591 a datacenter or VPN network?

AS43591 (AddSecure AB) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS43591?

AS43591 is registered to AddSecure AB. It announces about 15,616 IPv4 addresses.

How do I detect traffic from AS43591?

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.