Network · AS8400

AS8400 TELEKOM SRBIJA a.d.

AS8400 (TELEKOM SRBIJA a.d.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS8400

OwnerTELEKOM SRBIJA a.d.
KindInternet service provider
Servers, not peopleno
IPv4 addresses823,296
IPv4 ranges73
IPv6 ranges3

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

93.86.0.0/15
178.220.0.0/15
109.92.0.0/15
79.101.0.0/16
178.222.0.0/16
77.46.128.0/17
212.200.0.0/17
178.223.0.0/17
91.150.64.0/18
212.200.128.0/18
178.79.0.0/18
178.223.128.0/18

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

Check an IP address →

Detect it in code

Spot AS8400 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 AS8400

Is AS8400 a datacenter or VPN network?

AS8400 (TELEKOM SRBIJA a.d.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS8400?

AS8400 is registered to TELEKOM SRBIJA a.d.. It announces about 823,296 IPv4 addresses.

How do I detect traffic from AS8400?

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.