Network · AS40866

AS40866 San Diego Broadband

AS40866 (San Diego Broadband) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS40866

OwnerSan Diego Broadband
KindInternet service provider
Servers, not peopleno
IPv4 addresses13,056
IPv4 ranges10
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

192.225.112.0/20
38.22.48.0/21
8.4.120.0/22
8.25.36.0/22
64.154.88.0/22
38.96.24.0/22
38.22.60.0/22
209.16.132.0/22
8.25.32.0/23
216.105.47.0/24

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

Check an IP address →

Detect it in code

Spot AS40866 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 AS40866

Is AS40866 a datacenter or VPN network?

AS40866 (San Diego Broadband) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS40866?

AS40866 is registered to San Diego Broadband. It announces about 13,056 IPv4 addresses.

How do I detect traffic from AS40866?

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.