Network · AS13630

AS13630 CSX Technology

AS13630 (CSX Technology) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS13630

OwnerCSX Technology
KindInternet service provider
Servers, not peopleno
IPv4 addresses3,840
IPv4 ranges4
IPv6 ranges0

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

216.231.208.0/21
216.231.216.0/22
216.231.222.0/23
216.231.221.0/24

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

Check an IP address →

Detect it in code

Spot AS13630 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 AS13630

Is AS13630 a datacenter or VPN network?

AS13630 (CSX Technology) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS13630?

AS13630 is registered to CSX Technology. It announces about 3,840 IPv4 addresses.

How do I detect traffic from AS13630?

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.