Network · AS133736

AS133736 TASMANET

AS133736 (TASMANET) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS133736

OwnerTASMANET
KindInternet service provider
Servers, not peopleno
IPv4 addresses7,680
IPv4 ranges11
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

43.245.132.0/22
203.189.124.0/22
202.179.144.0/22
144.48.232.0/22
103.79.172.0/22
103.31.88.0/22
103.55.134.0/23
203.166.216.0/24
103.61.130.0/24
103.61.128.0/24
103.47.0.0/24

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

Check an IP address →

Detect it in code

Spot AS133736 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 AS133736

Is AS133736 a datacenter or VPN network?

AS133736 (TASMANET) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS133736?

AS133736 is registered to TASMANET. It announces about 7,680 IPv4 addresses.

How do I detect traffic from AS133736?

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.