Network · AS57660

AS57660 Com4 AS

AS57660 (Com4 AS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS57660

  • OwnerCom4 AS
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses10,752
  • IPv4 ranges5
  • IPv6 ranges1
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 37.26.208.0/20
  • 212.67.48.0/20
  • 185.67.16.0/22
  • 185.242.144.0/22
  • 193.27.94.0/23

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS57660 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 AS57660

Is AS57660 a datacenter or VPN network?

AS57660 (Com4 AS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS57660?

AS57660 is registered to Com4 AS. It announces about 10,752 IPv4 addresses.

How do I detect traffic from AS57660?

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.