Network · AS42318

AS42318 FastBit AB

AS42318 (FastBit AB) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS42318

OwnerFastBit AB
KindInternet service provider
Servers, not peopleno
IPv4 addresses10,240
IPv4 ranges3
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

83.223.0.0/19
2.57.244.0/22
194.71.192.0/22

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

Check an IP address →

Detect it in code

Spot AS42318 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 AS42318

Is AS42318 a datacenter or VPN network?

AS42318 (FastBit AB) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS42318?

AS42318 is registered to FastBit AB. It announces about 10,240 IPv4 addresses.

How do I detect traffic from AS42318?

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.