Network · AS57142

AS57142 Fiber 23 SRL

AS57142 (Fiber 23 SRL) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS57142

OwnerFiber 23 SRL
KindInternet service provider
Servers, not peopleno
IPv4 addresses3,072
IPv4 ranges12
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

89.47.3.0/24
89.47.10.0/24
89.44.236.0/24
89.43.38.0/24
89.32.191.0/24
89.32.185.0/24
86.107.54.0/24
86.107.30.0/24
86.107.182.0/24
86.107.181.0/24
188.240.208.0/24
176.126.175.0/24

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

Check an IP address →

Detect it in code

Spot AS57142 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 AS57142

Is AS57142 a datacenter or VPN network?

AS57142 (Fiber 23 SRL) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS57142?

AS57142 is registered to Fiber 23 SRL. It announces about 3,072 IPv4 addresses.

How do I detect traffic from AS57142?

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.