Network · AS17371

AS17371 Bank of Montreal

AS17371 (Bank of Montreal) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS17371

  • OwnerBank of Montreal
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses3,072
  • IPv4 ranges10
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 198.96.180.0/23
  • 142.43.170.0/23
  • 198.96.183.0/24
  • 198.96.170.0/24
  • 198.96.168.0/24
  • 198.73.148.0/24
  • 142.43.98.0/24
  • 142.43.254.0/24
  • 142.43.135.0/24
  • 142.43.101.0/24

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

Check an IP address →

Detect it in code

Spot AS17371 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 AS17371

Is AS17371 a datacenter or VPN network?

AS17371 (Bank of Montreal) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS17371?

AS17371 is registered to Bank of Montreal. It announces about 3,072 IPv4 addresses.

How do I detect traffic from AS17371?

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.