Network · AS52

AS52 University of California, Los Angeles

AS52 (University of California, Los Angeles) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS52

OwnerUniversity of California, Los Angeles
KindInternet service provider
Servers, not peopleno
IPv4 addresses328,960
IPv4 ranges10
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

169.232.0.0/16
164.67.0.0/16
149.142.0.0/16
131.179.0.0/16
128.97.0.0/16
216.41.228.0/24
192.35.226.0/24
192.35.225.0/24
192.35.221.0/24
192.154.2.0/24

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

Check an IP address →

Detect it in code

Spot AS52 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 AS52

Is AS52 a datacenter or VPN network?

AS52 (University of California, Los Angeles) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS52?

AS52 is registered to University of California, Los Angeles. It announces about 328,960 IPv4 addresses.

How do I detect traffic from AS52?

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.