Network · AS16629

AS16629 CTC. CORP S.A. (TELEFONICA EMPRESAS)

AS16629 (CTC. CORP S.A. (TELEFONICA EMPRESAS)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS16629

OwnerCTC. CORP S.A. (TELEFONICA EMPRESAS)
KindInternet service provider
Servers, not peopleno
IPv4 addresses280,320
IPv4 ranges56
IPv6 ranges9

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

186.40.128.0/17
181.212.128.0/17
200.54.0.0/18
190.171.128.0/18
181.212.64.0/18
152.172.64.0/18
152.172.192.0/18
200.68.32.0/19
200.54.64.0/19
200.54.224.0/19
190.4.192.0/19
181.212.0.0/19

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

Check an IP address →

Detect it in code

Spot AS16629 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 AS16629

Is AS16629 a datacenter or VPN network?

AS16629 (CTC. CORP S.A. (TELEFONICA EMPRESAS)) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS16629?

AS16629 is registered to CTC. CORP S.A. (TELEFONICA EMPRESAS). It announces about 280,320 IPv4 addresses.

How do I detect traffic from AS16629?

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.