91.231.80.0/22

PL-ALFA-SYSTEM-20110914 IPv4 Poland ALLOCATED PA AS198050

Registration

RIPE

Range: 91.231.80.0 to 91.231.83.255
CIDR: 91.231.80.0/22
Addresses: 1,024
Net name: PL-ALFA-SYSTEM-20110914
Holder: Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j. ORG-MPTA12-RIPE
Status: ALLOCATED PA
Geofeed: https://alfa-system.pl/geofeed.csv
Abuse contact: abuse@alfa-system.pl
Last updated: 2026-04-28

Routing

Announced prefix	Origin	RPKI
91.231.80.0/22	AS198050 ALFA-SYSTEM-AS	RPKI valid

More specific assignments

No smaller assignments inside this range.

WHOIS

inetnum:        91.231.80.0 - 91.231.83.255
netname:        PL-ALFA-SYSTEM-20110914
country:        PL
org:            ORG-MPTA12-RIPE
status:         ALLOCATED PA
geofeed:        https://alfa-system.pl/geofeed.csv
source:         RIPE

organisation:   ORG-MPTA12-RIPE
org-name:       Marek Piwowarski trading as ALFA-SYSTEM M. Piwowarski, A. Widera s.j.
country:        PL

role:           Abuse-C Role
abuse-mailbox:  abuse@alfa-system.pl
nic-hdl:        AR76225-RIPE

Location of the first address

Knurów, Poland

Operator geofeed

Report wrong location

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/network/91.231.80.0/22

const res = await fetch('https://ip-fd.net/api/v1/network/91.231.80.0/22', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/network/91.231.80.0/22', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/network/91.231.80.0/22');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/network/91.231.80.0/22", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

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