Network · AS40409

AS40409 Marmot Library Network, Inc.

AS40409 (Marmot Library Network, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS40409

OwnerMarmot Library Network, Inc.
KindInternet service provider
Servers, not peopleno
IPv4 addresses256
IPv4 ranges1
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

192.245.61.0/24

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

Check an IP address →

Detect it in code

Spot AS40409 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 AS40409

Is AS40409 a datacenter or VPN network?

AS40409 (Marmot Library Network, Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS40409?

AS40409 is registered to Marmot Library Network, Inc.. It announces about 256 IPv4 addresses.

How do I detect traffic from AS40409?

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.