Network · AS25620

AS25620 COTAS LTDA.

AS25620 (COTAS LTDA.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS25620

OwnerCOTAS LTDA.
KindInternet service provider
Servers, not peopleno
IPv4 addresses154,624
IPv4 ranges9
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

190.186.0.0/16
190.180.0.0/17
201.222.64.0/18
190.171.192.0/18
200.58.160.0/19
200.119.192.0/19
192.223.64.0/20
192.223.80.0/21
192.223.96.0/22

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

Check an IP address →

Detect it in code

Spot AS25620 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 AS25620

Is AS25620 a datacenter or VPN network?

AS25620 (COTAS LTDA.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS25620?

AS25620 is registered to COTAS LTDA.. It announces about 154,624 IPv4 addresses.

How do I detect traffic from AS25620?

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.