Network · AS41563

AS41563 OSTKOM SIA

AS41563 (OSTKOM SIA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS41563

OwnerOSTKOM SIA
KindInternet service provider
Servers, not peopleno
IPv4 addresses17,408
IPv4 ranges2
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

89.254.128.0/18
185.182.92.0/22

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

Check an IP address →

Detect it in code

Spot AS41563 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 AS41563

Is AS41563 a datacenter or VPN network?

AS41563 (OSTKOM SIA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS41563?

AS41563 is registered to OSTKOM SIA. It announces about 17,408 IPv4 addresses.

How do I detect traffic from AS41563?

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.