Network · AS16637

AS16637 MTN SA

AS16637 (MTN SA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS16637

OwnerMTN SA
KindInternet service provider
Servers, not peopleno
IPv4 addresses2,479,584
IPv4 ranges104
IPv6 ranges3

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

105.216.0.0/13
197.72.0.0/14
105.212.0.0/14
197.76.0.0/15
105.236.0.0/15
105.210.0.0/15
41.195.0.0/16
41.181.0.0/16
41.118.0.0/16
197.71.0.0/16
197.67.0.0/16
196.30.0.0/16

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

Check an IP address →

Detect it in code

Spot AS16637 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 AS16637

Is AS16637 a datacenter or VPN network?

AS16637 (MTN SA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS16637?

AS16637 is registered to MTN SA. It announces about 2,479,584 IPv4 addresses.

How do I detect traffic from AS16637?

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.