203.253.96.0/20

KREONet IPv4 South Korea ALLOCATED PORTABLE AS1237

Registration

APNIC

Range: 203.253.96.0 to 203.253.111.255
CIDR: 203.253.96.0/20
Addresses: 4,096
Net name: KREONet
Description: KISTI
Holder: Not published
Status: ALLOCATED PORTABLE
Abuse contact: Not published
Last updated: 2026-04-26

Routing

Announced prefix	Origin	RPKI
203.253.96.0/20	AS1237 KREONET-AS-KR	RPKI valid

More specific assignments

No smaller assignments inside this range.

WHOIS

inetnum:        203.253.96.0 - 203.253.111.255
netname:        KREONet
descr:          KISTI
country:        KR
status:         ALLOCATED PORTABLE
source:         APNIC

Location of the first address

South Korea

Registry country

Report wrong location

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/network/203.253.96.0/20

const res = await fetch('https://ip-fd.net/api/v1/network/203.253.96.0/20', {
  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/203.253.96.0/20', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/network/203.253.96.0/20');
curl_setopt($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/203.253.96.0/20", 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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