Network · AS3663

AS3663 NetNet

AS3663 (NetNet) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS3663

  • OwnerNetNet
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses160,768
  • IPv4 ranges15
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 96.126.0.0/18
  • 50.116.128.0/18
  • 198.190.64.0/18
  • 192.173.192.0/18
  • 184.95.64.0/18
  • 142.11.0.0/18
  • 108.167.192.0/18
  • 70.40.224.0/19
  • 63.135.128.0/19
  • 206.40.96.0/19
  • 173.254.128.0/19
  • 74.213.208.0/20

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

Check an IP address →

Detect it in code

Spot AS3663 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 AS3663

Is AS3663 a datacenter or VPN network?

AS3663 (NetNet) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS3663?

AS3663 is registered to NetNet. It announces about 160,768 IPv4 addresses.

How do I detect traffic from AS3663?

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.