Network · AS159

AS159 Ohio State University

AS159 (Ohio State University) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS159

OwnerOhio State University
KindInternet service provider
Servers, not peopleno
IPv4 addresses198,400
IPv4 ranges7
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

164.107.0.0/16
140.254.0.0/16
128.146.0.0/16
198.30.200.0/22
192.68.143.0/24
192.153.26.0/24
192.12.205.0/24

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

Check an IP address →

Detect it in code

Spot AS159 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 AS159

Is AS159 a datacenter or VPN network?

AS159 (Ohio State University) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS159?

AS159 is registered to Ohio State University. It announces about 198,400 IPv4 addresses.

How do I detect traffic from AS159?

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.