Network · AS31923

AS31923 The Auto Club Group

AS31923 (The Auto Club Group) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS31923

OwnerThe Auto Club Group
KindInternet service provider
Servers, not peopleno
IPv4 addresses9,984
IPv4 ranges5
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

204.78.160.0/19
204.78.228.0/22
204.78.244.0/24
204.78.235.0/24
204.78.233.0/24

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

Check an IP address →

Detect it in code

Spot AS31923 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 AS31923

Is AS31923 a datacenter or VPN network?

AS31923 (The Auto Club Group) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS31923?

AS31923 is registered to The Auto Club Group. It announces about 9,984 IPv4 addresses.

How do I detect traffic from AS31923?

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.