Network · AS40393

AS40393 Crosslink Networks LLC

AS40393 (Crosslink Networks LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS40393

OwnerCrosslink Networks LLC
KindInternet service provider
Servers, not peopleno
IPv4 addresses4,864
IPv4 ranges8
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

8.19.44.0/22
208.81.60.0/22
192.83.148.0/22
8.31.66.0/23
192.83.146.0/23
8.25.222.0/24
208.123.120.0/24
192.83.144.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS40393 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 AS40393

Is AS40393 a datacenter or VPN network?

AS40393 (Crosslink Networks LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS40393?

AS40393 is registered to Crosslink Networks LLC. It announces about 4,864 IPv4 addresses.

How do I detect traffic from AS40393?

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.