Network · AS43451

AS43451 Slovanet a.s.

AS43451 (Slovanet a.s.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS43451

OwnerSlovanet a.s.
KindInternet service provider
Servers, not peopleno
IPv4 addresses19,712
IPv4 ranges9
IPv6 ranges4

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

188.121.160.0/19
93.174.176.0/21
81.92.248.0/21
78.41.168.0/21
31.24.176.0/21
185.22.212.0/22
185.213.144.0/22
185.134.212.0/22
193.93.72.0/24

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

Check an IP address →

Detect it in code

Spot AS43451 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 AS43451

Is AS43451 a datacenter or VPN network?

AS43451 (Slovanet a.s.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS43451?

AS43451 is registered to Slovanet a.s.. It announces about 19,712 IPv4 addresses.

How do I detect traffic from AS43451?

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.