Network · AS22217

AS22217 Calvin College

AS22217 (Calvin College) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS22217

  • OwnerCalvin College
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses65,536
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 153.106.0.0/16

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

Check an IP address →

Detect it in code

Spot AS22217 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 AS22217

Is AS22217 a datacenter or VPN network?

AS22217 (Calvin College) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS22217?

AS22217 is registered to Calvin College. It announces about 65,536 IPv4 addresses.

How do I detect traffic from AS22217?

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.