Network · AS57271

AS57271 BitWeb LLC

AS57271 (BitWeb LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS57271

OwnerBitWeb LLC
KindInternet service provider
Servers, not peopleno
IPv4 addresses1,792
IPv4 ranges7
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

85.202.87.0/24
81.16.141.0/24
45.90.46.0/24
45.137.190.0/24
45.137.189.0/24
45.133.235.0/24
31.24.251.0/24

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

Check an IP address →

Detect it in code

Spot AS57271 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 AS57271

Is AS57271 a datacenter or VPN network?

AS57271 (BitWeb LLC) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS57271?

AS57271 is registered to BitWeb LLC. It announces about 1,792 IPv4 addresses.

How do I detect traffic from AS57271?

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.