Network · AS13259

AS13259 Delta Telesystems Ltd.

AS13259 (Delta Telesystems Ltd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS13259

  • OwnerDelta Telesystems Ltd.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses5,632
  • IPv4 ranges10
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 188.0.40.0/21
  • 193.107.92.0/22
  • 91.206.16.0/23
  • 82.147.82.0/23
  • 82.147.88.0/24
  • 82.147.87.0/24
  • 82.147.80.0/24
  • 82.147.74.0/24
  • 82.147.72.0/24
  • 82.147.64.0/24

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

Check an IP address →

Detect it in code

Spot AS13259 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 AS13259

Is AS13259 a datacenter or VPN network?

AS13259 (Delta Telesystems Ltd.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS13259?

AS13259 is registered to Delta Telesystems Ltd.. It announces about 5,632 IPv4 addresses.

How do I detect traffic from AS13259?

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.