Network · AS23991

AS23991 Ranks ITT

AS23991 (Ranks ITT) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS23991

OwnerRanks ITT
KindInternet service provider
Servers, not peopleno
IPv4 addresses5,632
IPv4 ranges3
IPv6 ranges1

Risk score0

Nothing suspicious found.

Largest IPv4 ranges

202.40.176.0/20
103.35.108.0/22
103.111.88.0/23

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

Check an IP address →

Detect it in code

Spot AS23991 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 AS23991

Is AS23991 a datacenter or VPN network?

AS23991 (Ranks ITT) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS23991?

AS23991 is registered to Ranks ITT. It announces about 5,632 IPv4 addresses.

How do I detect traffic from AS23991?

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.