Network · AS42459

AS42459 Fiber Optics Bulgaria OOD

AS42459 (Fiber Optics Bulgaria OOD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS42459

OwnerFiber Optics Bulgaria OOD
KindInternet service provider
Servers, not peopleno
IPv4 addresses7,168
IPv4 ranges4
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

212.45.64.0/20
79.134.56.0/21
193.32.4.0/23
193.32.0.0/23

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

Check an IP address →

Detect it in code

Spot AS42459 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 AS42459

Is AS42459 a datacenter or VPN network?

AS42459 (Fiber Optics Bulgaria OOD) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS42459?

AS42459 is registered to Fiber Optics Bulgaria OOD. It announces about 7,168 IPv4 addresses.

How do I detect traffic from AS42459?

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.