Network · AS45128

AS45128 Australian Nuclear Science and Technology Organisation

AS45128 (Australian Nuclear Science and Technology Organisation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS45128

  • OwnerAustralian Nuclear Science and Technol
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses65,536
  • IPv4 ranges1
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 137.157.0.0/16

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

Check an IP address →

Detect it in code

Spot AS45128 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 AS45128

Is AS45128 a datacenter or VPN network?

AS45128 (Australian Nuclear Science and Technology Organisation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS45128?

AS45128 is registered to Australian Nuclear Science and Technology Organisation. It announces about 65,536 IPv4 addresses.

How do I detect traffic from AS45128?

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.