Network · AS53112

AS53112 SULNET TELECOM

AS53112 (SULNET TELECOM) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS53112

OwnerSULNET TELECOM
KindInternet service provider
Servers, not peopleno
IPv4 addresses13,312
IPv4 ranges6
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

189.90.144.0/20
187.109.16.0/20
177.23.8.0/21
170.231.72.0/22
143.255.60.0/22
138.97.4.0/22

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

Check an IP address →

Detect it in code

Spot AS53112 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 AS53112

Is AS53112 a datacenter or VPN network?

AS53112 (SULNET TELECOM) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS53112?

AS53112 is registered to SULNET TELECOM. It announces about 13,312 IPv4 addresses.

How do I detect traffic from AS53112?

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.