Network · AS16751

AS16751 Open Text Corporation

AS16751 (Open Text Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS16751

  • OwnerOpen Text Corporation
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses12,800
  • IPv4 ranges19
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 143.172.0.0/20
  • 149.235.224.0/21
  • 204.90.140.0/22
  • 129.84.0.0/22
  • 204.90.144.0/23
  • 129.84.88.0/23
  • 129.84.8.0/23
  • 205.211.178.0/24
  • 204.138.115.0/24
  • 199.71.120.0/24
  • 149.235.254.0/24
  • 149.235.241.0/24

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

Check an IP address →

Detect it in code

Spot AS16751 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 AS16751

Is AS16751 a datacenter or VPN network?

AS16751 (Open Text Corporation) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS16751?

AS16751 is registered to Open Text Corporation. It announces about 12,800 IPv4 addresses.

How do I detect traffic from AS16751?

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.