Network · AS21973

AS21973 Xponet

AS21973 (Xponet) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS21973

OwnerXponet
KindInternet service provider
Servers, not peopleno
IPv4 addresses3,584
IPv4 ranges10
IPv6 ranges2

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

63.85.4.0/22
199.222.104.0/23
63.97.222.0/24
63.86.203.0/24
63.85.168.0/24
63.85.166.0/24
63.85.164.0/24
63.106.29.0/24
63.102.107.0/24
199.222.125.0/24

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

Check an IP address →

Detect it in code

Spot AS21973 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 AS21973

Is AS21973 a datacenter or VPN network?

AS21973 (Xponet) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS21973?

AS21973 is registered to Xponet. It announces about 3,584 IPv4 addresses.

How do I detect traffic from AS21973?

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.