Network · AS50833

AS50833 FIBER TELECOM s.r.o.

AS50833 (FIBER TELECOM s.r.o.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS50833

OwnerFIBER TELECOM s.r.o.
KindInternet service provider
Servers, not peopleno
IPv4 addresses8,704
IPv4 ranges5
IPv6 ranges4

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

193.150.128.0/20
193.150.144.0/21
146.255.24.0/21
91.224.59.0/24
45.159.110.0/24

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

Check an IP address →

Detect it in code

Spot AS50833 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 AS50833

Is AS50833 a datacenter or VPN network?

AS50833 (FIBER TELECOM s.r.o.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS50833?

AS50833 is registered to FIBER TELECOM s.r.o.. It announces about 8,704 IPv4 addresses.

How do I detect traffic from AS50833?

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.