Network · AS13431

AS13431 Millennium Partners, L.P.

AS13431 (Millennium Partners, L.P.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS13431

  • OwnerMillennium Partners, L.P.
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses4,352
  • IPv4 ranges11
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 174.138.224.0/22
  • 174.138.238.0/23
  • 174.138.232.0/23
  • 174.138.230.0/23
  • 216.200.186.0/24
  • 209.66.103.0/24
  • 208.34.186.0/24
  • 204.212.175.0/24
  • 192.104.153.0/24
  • 174.138.236.0/24
  • 174.138.228.0/24

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

Check an IP address →

Detect it in code

Spot AS13431 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 AS13431

Is AS13431 a datacenter or VPN network?

AS13431 (Millennium Partners, L.P.) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS13431?

AS13431 is registered to Millennium Partners, L.P.. It announces about 4,352 IPv4 addresses.

How do I detect traffic from AS13431?

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.