203.63.204.0/23

GENISYST-CC-AU IPv4 Australia ASSIGNED NON-PORTABLE AS17535

Registration

APNIC

Range: 203.63.204.0 to 203.63.205.255
CIDR: 203.63.204.0/23
Addresses: 512
Net name: GENISYST-CC-AU
Description: Genisyst Pty Ltd 19 Ryde Road Pymble , NSW 2073
Holder: AAPT Limited ORG-AL1-AP
Status: ASSIGNED NON-PORTABLE
Abuse contact: Not published
Last updated: 2026-04-26

Routing

Announced prefix	Origin	RPKI
203.63.204.0/23	AS17535 GENISYST-AS-AP	No ROA

Covering allocations

Range	Net name	Status
203.63.0.0 - 203.63.255.255	AAPT	ALLOCATED PORTABLE

More specific assignments

No smaller assignments inside this range.

WHOIS

inetnum:        203.63.204.0 - 203.63.205.255
netname:        GENISYST-CC-AU
descr:          Genisyst Pty Ltd
descr:          19 Ryde Road
descr:          Pymble , NSW 2073
country:        AU
status:         ASSIGNED NON-PORTABLE
source:         APNIC

organisation:   ORG-AL1-AP
org-name:       AAPT Limited
country:        AU

Location of the first address

Richmond, Australia

City named in registry record

Report wrong location

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/network/203.63.204.0/23

const res = await fetch('https://ip-fd.net/api/v1/network/203.63.204.0/23', {
  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/203.63.204.0/23', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/network/203.63.204.0/23');
curl_setopt($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/203.63.204.0/23", 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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