Network · AS20437

AS20437 Nationwide Mutual Insurance Company

AS20437 (Nationwide Mutual Insurance Company) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS20437

OwnerNationwide Mutual Insurance Company
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,024
IPv4 ranges2
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

204.145.192.0/23
155.188.0.0/23

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

Check an IP address →

Detect it in code

Spot AS20437 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 AS20437

Is AS20437 a datacenter or VPN network?

AS20437 (Nationwide Mutual Insurance Company) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS20437?

AS20437 is registered to Nationwide Mutual Insurance Company. It announces about 1,024 IPv4 addresses.

How do I detect traffic from AS20437?

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.