Network · AS21050

AS21050 Fast Communication Company Ltd

AS21050 (Fast Communication Company Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21050

OwnerFast Communication Company Ltd
KindInternet service provider
Servers, not peopleno
IPv4 addresses200,448
IPv4 ranges33
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

178.61.0.0/16
89.203.0.0/17
83.96.64.0/18
62.215.64.0/18
62.215.128.0/18
83.96.32.0/19
62.215.224.0/19
62.215.0.0/19
83.96.0.0/20
62.215.32.0/20
62.215.192.0/20
93.191.64.0/21

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

Check an IP address →

Detect it in code

Spot AS21050 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 AS21050

Is AS21050 a datacenter or VPN network?

AS21050 (Fast Communication Company Ltd) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21050?

AS21050 is registered to Fast Communication Company Ltd. It announces about 200,448 IPv4 addresses.

How do I detect traffic from AS21050?

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.