Network · AS16599

AS16599 Bentley Systems

AS16599 (Bentley Systems) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS16599

OwnerBentley Systems
KindInternet service provider
Servers, not peopleno
IPv4 addresses3,840
IPv4 ranges4
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

64.90.224.0/21
64.90.232.0/22
64.90.238.0/23
64.90.237.0/24

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

Check an IP address →

Detect it in code

Spot AS16599 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 AS16599

Is AS16599 a datacenter or VPN network?

AS16599 (Bentley Systems) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS16599?

AS16599 is registered to Bentley Systems. It announces about 3,840 IPv4 addresses.

How do I detect traffic from AS16599?

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.