Network · AS137073

AS137073 THE TRUSTEES OF THE SYDNEY GRAMMAR SCHOOL

AS137073 (THE TRUSTEES OF THE SYDNEY GRAMMAR SCHOOL) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS137073

  • OwnerTHE TRUSTEES OF THE SYDNEY GRAMMAR SCH
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses256
  • IPv4 ranges1
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 103.103.238.0/24

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

Check an IP address →

Detect it in code

Spot AS137073 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 AS137073

Is AS137073 a datacenter or VPN network?

AS137073 (THE TRUSTEES OF THE SYDNEY GRAMMAR SCHOOL) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS137073?

AS137073 is registered to THE TRUSTEES OF THE SYDNEY GRAMMAR SCHOOL. It announces about 256 IPv4 addresses.

How do I detect traffic from AS137073?

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.