Network · AS25746

AS25746 Unisys Corporation

AS25746 (Unisys Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS25746

  • OwnerUnisys Corporation
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses10,752
  • IPv4 ranges13
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 129.220.64.0/20
  • 129.220.80.0/21
  • 129.220.88.0/22
  • 129.220.92.0/23
  • 129.220.62.0/23
  • 129.220.56.0/23
  • 129.220.48.0/23
  • 129.220.95.0/24
  • 129.220.61.0/24
  • 129.220.59.0/24
  • 129.220.55.0/24
  • 129.220.52.0/24

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

Check an IP address →

Detect it in code

Spot AS25746 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 AS25746

Is AS25746 a datacenter or VPN network?

AS25746 (Unisys Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS25746?

AS25746 is registered to Unisys Corporation. It announces about 10,752 IPv4 addresses.

How do I detect traffic from AS25746?

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.