Network · AS57976

AS57976 Blizzard Entertainment, Inc

AS57976 (Blizzard Entertainment, Inc) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS57976

OwnerBlizzard Entertainment, Inc
KindInternet service provider
Servers, not peopleno
IPv4 addresses62,976
IPv4 ranges58
IPv6 ranges6

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

137.221.64.0/19
66.40.176.0/20
5.42.160.0/20
24.105.32.0/20
158.115.192.0/20
64.224.24.0/21
64.224.0.0/21
37.244.40.0/21
37.244.24.0/21
158.115.216.0/21
137.221.104.0/21
59.153.40.0/22

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

Check an IP address →

Detect it in code

Spot AS57976 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 AS57976

Is AS57976 a datacenter or VPN network?

AS57976 (Blizzard Entertainment, Inc) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS57976?

AS57976 is registered to Blizzard Entertainment, Inc. It announces about 62,976 IPv4 addresses.

How do I detect traffic from AS57976?

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.