AS23600 Korea Internet Security Agency

South Korea GDNSKR-KR APNIC 17 IPv4 prefixes 5 IPv6 prefixes

IPv4 addresses

4,352

IPv6 /48 networks

RPKI

2 valid20 no ROA

Peers and downstreams

Holder

AS name: GDNSKR-KR
Description: Korea Internet Security Agency
Organisation: Korea Internet Security Agency
Abuse contact: Not published
Assigned: 2002-12-23

1.18.121.0/24 1.18.132.0/24 1.18.133.0/24 1.18.134.0/24 1.18.135.0/24 202.30.45.0/24 202.31.188.0/24 202.31.190.0/24 203.83.158.0/24 219.251.142.0/24 219.251.156.0/24 221.139.191.0/24 39.125.192.0/24 39.125.228.0/24 39.125.244.0/24 39.127.249.0/24 58.235.102.0/24

Routing changes

Last 30 days

2026-10-04 03:56 UTC

New prefix

1.18.121.0/24

WHOIS

aut-num:        AS23600
as-name:        GDNSKR-KR-KR
handle:         AS23600
remarks:        Korea Internet Security Agency
administrative,technical:A544-KR (AS Manager) <hostmaster@nic.or.kr>
abuse:          IRT-KRNIC-KR (IRT-KRNIC-KR) <hostmaster@nic.or.kr>
source:         APNIC (RDAP)

Routing data

Updated just now

Registry record

Fetched just now from APNIC RDAP

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/23600

const res = await fetch('https://ip-fd.net/api/v1/asn/23600', {
  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/asn/23600', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/23600');
curl_setopt($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/asn/23600", 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))

Works without a key at a lower rate. Get a free key.

AS4766	Korea Telecom KIXS-AS-KR-KR
AS8763	DENIC eG DENIC-AS
AS9318	SK Broadband Co Ltd SKB-AS-KR
AS9858	Korea Internet Security Agency KRNICNET-KR

AS14650	Nucleo de Inf. e Coord. do Ponto BR - NIC.BR AS14650
AS24151	China Internet Network Infomation Center CNNIC-CRITICAL-AP