Network · AS400725

AS400725 Zephyr Monitors LLC

AS400725 (Zephyr Monitors LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS400725

OwnerZephyr Monitors LLC
KindInternet service provider
Servers, not peopleno
IPv4 addresses768
IPv4 ranges3
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

69.176.91.0/24
23.26.134.0/24
199.45.241.0/24

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

Check an IP address →

Detect it in code

Spot AS400725 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 AS400725

Is AS400725 a datacenter or VPN network?

AS400725 (Zephyr Monitors LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS400725?

AS400725 is registered to Zephyr Monitors LLC. It announces about 768 IPv4 addresses.

How do I detect traffic from AS400725?

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.