Network · AS25520

AS25520 JSC "Futures Telecom"

AS25520 (JSC "Futures Telecom") looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS25520

OwnerJSC "Futures Telecom"
KindInternet service provider
Servers, not peopleno
IPv4 addresses6,144
IPv4 ranges2
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

217.15.16.0/20
78.137.104.0/21

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

Check an IP address →

Detect it in code

Spot AS25520 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 AS25520

Is AS25520 a datacenter or VPN network?

AS25520 (JSC "Futures Telecom") looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS25520?

AS25520 is registered to JSC "Futures Telecom". It announces about 6,144 IPv4 addresses.

How do I detect traffic from AS25520?

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.