Network · AS55819

AS55819 CAMPAIGN MONITOR PTY LTD

AS55819 (CAMPAIGN MONITOR PTY LTD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS55819

  • OwnerCAMPAIGN MONITOR PTY LTD
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses6,400
  • IPv4 ranges11
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 27.126.144.0/21
  • 180.189.136.0/22
  • 103.28.40.0/22
  • 146.88.16.0/23
  • 216.99.201.0/24
  • 205.166.177.0/24
  • 204.75.142.0/24
  • 203.55.21.0/24
  • 203.55.138.0/24
  • 146.88.28.0/24
  • 146.88.18.0/24

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

Check an IP address →

Detect it in code

Spot AS55819 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 AS55819

Is AS55819 a datacenter or VPN network?

AS55819 (CAMPAIGN MONITOR PTY LTD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS55819?

AS55819 is registered to CAMPAIGN MONITOR PTY LTD. It announces about 6,400 IPv4 addresses.

How do I detect traffic from AS55819?

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.