Network · AS40623

AS40623 Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laborat

AS40623 (Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laborat) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS40623

OwnerOffice of Oceanic and Atmospheric Rese
KindInternet service provider
Servers, not peopleno
IPv4 addresses20,480
IPv4 ranges2
IPv6 ranges2

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

140.208.0.0/18
140.208.144.0/20

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

Check an IP address →

Detect it in code

Spot AS40623 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 AS40623

Is AS40623 a datacenter or VPN network?

Who owns AS40623?

AS40623 is registered to Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laborat. It announces about 20,480 IPv4 addresses.

How do I detect traffic from AS40623?

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.