Network · AS5391

AS5391 Hrvatski Telekom d.d.

AS5391 (Hrvatski Telekom d.d.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS5391

OwnerHrvatski Telekom d.d.
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,124,352
IPv4 ranges42
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

93.136.0.0/13
78.0.0.0/14
89.172.0.0/16
83.131.0.0/16
46.188.128.0/17
31.217.0.0/17
178.160.0.0/17
195.29.192.0/18
195.29.0.0/18
93.159.64.0/19
87.252.128.0/19
31.216.192.0/19

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

Check an IP address →

Detect it in code

Spot AS5391 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 AS5391

Is AS5391 a datacenter or VPN network?

AS5391 (Hrvatski Telekom d.d.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS5391?

AS5391 is registered to Hrvatski Telekom d.d.. It announces about 1,124,352 IPv4 addresses.

How do I detect traffic from AS5391?

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.