Network · AS43273

AS43273 Optik Line LLC

AS43273 (Optik Line LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS43273

OwnerOptik Line LLC
KindInternet service provider
Servers, not peopleno
IPv4 addresses4,096
IPv4 ranges4
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

91.238.168.0/22
91.196.248.0/22
5.252.172.0/22
185.149.244.0/22

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

Check an IP address →

Detect it in code

Spot AS43273 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 AS43273

Is AS43273 a datacenter or VPN network?

AS43273 (Optik Line LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS43273?

AS43273 is registered to Optik Line LLC. It announces about 4,096 IPv4 addresses.

How do I detect traffic from AS43273?

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.