Network · AS133803

AS133803 PT Semesta Teknologi Informatika

AS133803 (PT Semesta Teknologi Informatika) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS133803

OwnerPT Semesta Teknologi Informatika
KindInternet service provider
Servers, not peopleno
IPv4 addresses512
IPv4 ranges2
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

103.44.149.0/24
103.147.30.0/24

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

Check an IP address →

Detect it in code

Spot AS133803 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 AS133803

Is AS133803 a datacenter or VPN network?

AS133803 (PT Semesta Teknologi Informatika) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS133803?

AS133803 is registered to PT Semesta Teknologi Informatika. It announces about 512 IPv4 addresses.

How do I detect traffic from AS133803?

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.