Network · AS12091

AS12091 MTN SA

AS12091 (MTN SA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS12091

  • OwnerMTN SA
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses1,237,536
  • IPv4 ranges67
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 41.122.0.0/15
  • 41.114.0.0/15
  • 197.68.0.0/15
  • 41.126.0.0/16
  • 41.124.0.0/16
  • 41.121.0.0/16
  • 41.119.0.0/16
  • 41.116.0.0/16
  • 41.113.0.0/16
  • 197.64.0.0/16
  • 41.125.128.0/17
  • 41.120.128.0/17

Ranges and owner from DB-IP (CC BY 4.0), updated 2026-10-22.

Check an IP address →

Detect it in code

Spot AS12091 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 AS12091

Is AS12091 a datacenter or VPN network?

AS12091 (MTN SA) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS12091?

AS12091 is registered to MTN SA. It announces about 1,237,536 IPv4 addresses.

How do I detect traffic from AS12091?

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.