Network · AS29

AS29 Yale University

AS29 (Yale University) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS29

  • OwnerYale University
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses131,584
  • IPv4 ranges12
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 130.132.0.0/16
  • 128.36.128.0/17
  • 128.36.64.0/18
  • 128.36.32.0/19
  • 128.36.16.0/20
  • 128.36.0.0/21
  • 128.36.8.0/22
  • 128.36.12.0/23
  • 192.35.89.0/24
  • 192.31.236.0/24
  • 192.31.2.0/24
  • 128.36.14.0/24

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

Check an IP address →

Detect it in code

Spot AS29 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 AS29

Is AS29 a datacenter or VPN network?

AS29 (Yale University) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS29?

AS29 is registered to Yale University. It announces about 131,584 IPv4 addresses.

How do I detect traffic from AS29?

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.