Network · AS88

AS88 Princeton University

AS88 (Princeton University) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS88

OwnerPrinceton University
KindInternet service provider
Servers, not peopleno
IPv4 addresses137,216
IPv4 ranges5
IPv6 ranges2

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

140.180.0.0/16
128.112.0.0/16
66.180.176.0/20
205.172.164.0/22
204.153.48.0/22

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

Check an IP address →

Detect it in code

Spot AS88 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 AS88

Is AS88 a datacenter or VPN network?

AS88 (Princeton University) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS88?

AS88 is registered to Princeton University. It announces about 137,216 IPv4 addresses.

How do I detect traffic from AS88?

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.