Network · AS31423

AS31423 Przedsiebiorstwo "PROMAX" Spolka Jawna Zofia Formanek-Okroj, Wieslaw Okroj

AS31423 (Przedsiebiorstwo "PROMAX" Spolka Jawna Zofia Formanek-Okroj, Wieslaw Okroj) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Network check ASN

AS31423

  • OwnerPrzedsiebiorstwo "PROMAX" Spolka Jawna
  • KindInternet service provider
  • Servers, not peopleno
  • IPv4 addresses31,232
  • IPv4 ranges6
  • IPv6 ranges0
Risk score0

Nothing suspicious found.

Largest IPv4 ranges

  • 77.89.64.0/18
  • 87.248.64.0/19
  • 217.173.0.0/20
  • 193.151.96.0/22
  • 185.22.8.0/22
  • 194.106.214.0/23

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

Check an IP address →

Detect it in code

Spot AS31423 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 AS31423

Is AS31423 a datacenter or VPN network?

AS31423 (Przedsiebiorstwo "PROMAX" Spolka Jawna Zofia Formanek-Okroj, Wieslaw Okroj) looks like an internet service provider, so its addresses are mostly real home, business or mobile connections.

Who owns AS31423?

AS31423 is registered to Przedsiebiorstwo "PROMAX" Spolka Jawna Zofia Formanek-Okroj, Wieslaw Okroj. It announces about 31,232 IPv4 addresses.

How do I detect traffic from AS31423?

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.