Network · AS11872

AS11872 Syracuse University

AS11872 (Syracuse University) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS11872

OwnerSyracuse University
KindInternet service provider
Servers, not peopleno
IPv4 addresses66,304
IPv4 ranges3
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

128.230.0.0/16
149.119.6.0/23
74.80.186.0/24

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

Check an IP address →

Detect it in code

Spot AS11872 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 AS11872

Is AS11872 a datacenter or VPN network?

AS11872 (Syracuse University) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS11872?

AS11872 is registered to Syracuse University. It announces about 66,304 IPv4 addresses.

How do I detect traffic from AS11872?

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.