Network · AS400371

AS400371 PUEBLO OF LAGUNA UTILITY AUTHORITY

AS400371 (PUEBLO OF LAGUNA UTILITY AUTHORITY) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS400371

OwnerPUEBLO OF LAGUNA UTILITY AUTHORITY
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,024
IPv4 ranges3
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

137.118.82.0/23
38.71.40.0/24
203.15.155.0/24

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

Check an IP address →

Detect it in code

Spot AS400371 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 AS400371

Is AS400371 a datacenter or VPN network?

AS400371 (PUEBLO OF LAGUNA UTILITY AUTHORITY) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS400371?

AS400371 is registered to PUEBLO OF LAGUNA UTILITY AUTHORITY. It announces about 1,024 IPv4 addresses.

How do I detect traffic from AS400371?

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.