Network · AS2037

AS2037 California State University at Fresno

AS2037 (California State University at Fresno) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS2037

  • OwnerCalifornia State University at Fresno
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses65,536
  • IPv4 ranges8
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 129.8.0.0/17
  • 129.8.128.0/18
  • 129.8.192.0/19
  • 129.8.224.0/20
  • 129.8.248.0/21
  • 129.8.240.0/22
  • 198.207.154.0/23
  • 129.8.246.0/23

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

Check an IP address →

Detect it in code

Spot AS2037 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 AS2037

Is AS2037 a datacenter or VPN network?

AS2037 (California State University at Fresno) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS2037?

AS2037 is registered to California State University at Fresno. It announces about 65,536 IPv4 addresses.

How do I detect traffic from AS2037?

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.