Network · AS5719

AS5719 State University of New York at Stony Brook

AS5719 (State University of New York at Stony Brook) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS5719

  • OwnerState University of New York at Stony
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses131,840
  • IPv4 ranges5
  • IPv6 ranges2
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 130.245.0.0/16
  • 129.49.0.0/16
  • 192.42.55.0/24
  • 192.12.90.0/24
  • 192.12.89.0/24

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

Check an IP address →

Detect it in code

Spot AS5719 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 AS5719

Is AS5719 a datacenter or VPN network?

AS5719 (State University of New York at Stony Brook) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS5719?

AS5719 is registered to State University of New York at Stony Brook. It announces about 131,840 IPv4 addresses.

How do I detect traffic from AS5719?

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.