Network · AS57633

AS57633 CELESTE SAS

AS57633 (CELESTE SAS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS57633

OwnerCELESTE SAS
KindInternet service provider
Servers, not peopleno
IPv4 addresses10,240
IPv4 ranges5
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

77.240.192.0/20
46.182.208.0/21
37.25.72.0/21
195.49.132.0/22
185.79.220.0/22

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

Check an IP address →

Detect it in code

Spot AS57633 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 AS57633

Is AS57633 a datacenter or VPN network?

AS57633 (CELESTE SAS) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS57633?

AS57633 is registered to CELESTE SAS. It announces about 10,240 IPv4 addresses.

How do I detect traffic from AS57633?

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.