Network · AS7256

AS7256 Viacom Inc.

AS7256 (Viacom Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS7256

  • OwnerViacom Inc.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses9,216
  • IPv4 ranges15
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 204.110.112.0/20
  • 166.77.100.0/22
  • 166.77.60.0/23
  • 166.77.16.0/23
  • 166.77.0.0/23
  • 166.77.62.0/24
  • 166.77.4.0/24
  • 166.77.38.0/24
  • 166.77.36.0/24
  • 166.77.3.0/24
  • 166.77.26.0/24
  • 166.77.24.0/24

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

Check an IP address →

Detect it in code

Spot AS7256 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 AS7256

Is AS7256 a datacenter or VPN network?

AS7256 (Viacom Inc.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS7256?

AS7256 is registered to Viacom Inc.. It announces about 9,216 IPv4 addresses.

How do I detect traffic from AS7256?

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.