Network · AS18

AS18 University of Texas at Austin

AS18 (University of Texas at Austin) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS18

OwnerUniversity of Texas at Austin
KindInternet service provider
Servers, not peopleno
IPv4 addresses299,520
IPv4 ranges8
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

146.6.0.0/16
129.116.0.0/16
128.83.0.0/16
128.62.0.0/16
206.76.64.0/18
198.213.192.0/18
198.214.80.0/20
198.214.250.0/23

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

Check an IP address →

Detect it in code

Spot AS18 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 AS18

Is AS18 a datacenter or VPN network?

AS18 (University of Texas at Austin) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS18?

AS18 is registered to University of Texas at Austin. It announces about 299,520 IPv4 addresses.

How do I detect traffic from AS18?

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.