Network · AS55581

AS55581 BINARY NETWORKS PTY LTD

AS55581 (BINARY NETWORKS PTY LTD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS55581

OwnerBINARY NETWORKS PTY LTD
KindInternet service provider
Servers, not peopleno
IPv4 addresses4,608
IPv4 ranges10
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

27.116.36.0/22
103.194.0.0/22
45.125.120.0/23
103.166.56.0/23
45.125.122.0/24
103.93.26.0/24
103.67.68.0/24
103.55.132.0/24
103.104.238.0/24
103.104.237.0/24

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

Check an IP address →

Detect it in code

Spot AS55581 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 AS55581

Is AS55581 a datacenter or VPN network?

AS55581 (BINARY NETWORKS PTY LTD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS55581?

AS55581 is registered to BINARY NETWORKS PTY LTD. It announces about 4,608 IPv4 addresses.

How do I detect traffic from AS55581?

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.