Network · AS10578

AS10578 Harvard University

AS10578 (Harvard University) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS10578

OwnerHarvard University
KindInternet service provider
Servers, not peopleno
IPv4 addresses24,832
IPv4 ranges4
IPv6 ranges5

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

18.2.192.0/19
18.2.128.0/19
18.2.0.0/19
192.5.89.0/24

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS10578 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 AS10578

Is AS10578 a datacenter or VPN network?

AS10578 (Harvard University) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS10578?

AS10578 is registered to Harvard University. It announces about 24,832 IPv4 addresses.

How do I detect traffic from AS10578?

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.