Network · AS25500

AS25500 User Association of Ukrainian Research and Academic Network URAN

AS25500 (User Association of Ukrainian Research and Academic Network URAN) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS25500

OwnerUser Association of Ukrainian Research
KindInternet service provider
Servers, not peopleno
IPv4 addresses21,504
IPv4 ranges11
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

77.47.224.0/20
77.47.192.0/20
77.47.160.0/20
77.47.216.0/21
77.47.184.0/21
77.47.128.0/21
77.47.136.0/22
77.47.214.0/23
77.47.208.0/23
77.47.176.0/23
77.47.140.0/23

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

Check an IP address →

Detect it in code

Spot AS25500 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 AS25500

Is AS25500 a datacenter or VPN network?

AS25500 (User Association of Ukrainian Research and Academic Network URAN) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS25500?

AS25500 is registered to User Association of Ukrainian Research and Academic Network URAN. It announces about 21,504 IPv4 addresses.

How do I detect traffic from AS25500?

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.