Network · AS20723

AS20723 AVONET, s.r.o.

AS20723 (AVONET, s.r.o.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS20723

OwnerAVONET, s.r.o.
KindInternet service provider
Servers, not peopleno
IPv4 addresses16,384
IPv4 ranges7
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

217.115.240.0/20
217.112.160.0/20
79.170.248.0/21
178.20.136.0/21
131.117.208.0/21
185.84.232.0/22
185.111.96.0/22

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

Check an IP address →

Detect it in code

Spot AS20723 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 AS20723

Is AS20723 a datacenter or VPN network?

AS20723 (AVONET, s.r.o.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS20723?

AS20723 is registered to AVONET, s.r.o.. It announces about 16,384 IPv4 addresses.

How do I detect traffic from AS20723?

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.