Network · AS57677

AS57677 SINTELEC INFORMATICA, S.L.

AS57677 (SINTELEC INFORMATICA, S.L.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS57677

OwnerSINTELEC INFORMATICA, S.L.
KindInternet service provider
Servers, not peopleno
IPv4 addresses2,048
IPv4 ranges1
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

37.46.152.0/21

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

Check an IP address →

Detect it in code

Spot AS57677 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 AS57677

Is AS57677 a datacenter or VPN network?

AS57677 (SINTELEC INFORMATICA, S.L.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS57677?

AS57677 is registered to SINTELEC INFORMATICA, S.L.. It announces about 2,048 IPv4 addresses.

How do I detect traffic from AS57677?

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.