AS23600 — GDNSKR-KR-KR - Korea Internet Security Agency

Network type: hosting

AS23600 announces 11 IPv4 prefixes covering 3,072 addresses and 4 IPv6 prefixes.

About this network

GDNSKR-KR is operated by the Korea Internet Security Agency.

What it's used for

• The address space carries infrastructure for the national internet security agency, with netnames KRNIC-NET-KR and broadNnet-KR registered to IRT-KRNIC-KR.
• The AS announces 3072 IPv4 addresses across 11 prefixes and 4 IPv6 prefixes, with 6 observed neighbours, indicating a specialized government infrastructure role rather than mass consumer access.

Notable

• Registrants for all listed prefixes are IRT-KRNIC-KR, consistent with the Korea Internet & Security Agency's management of national internet resources.
• The inventory consists of 11 IPv4 prefixes and 4 IPv6 prefixes, including a /23 block at 1.18.132.0/23 and multiple /24 blocks across various ranges.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 1.18.132.0/23
• 1.18.134.0/24
• 39.127.249.0/24
• 58.235.102.0/24
• 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
• 2001:dc5:a::/48
• 2001:dcc:700::/48
• 2001:dcc:702::/47
• 2001:dcc:1000::/48

Upstream networks

• AS9318 SK Broadband Co Ltd
• AS4766 Korea Telecom
• AS8763 DENIC eG
• AS9858 Korea Internet Security Agency

Downstream networks

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

Adjacent networks

• AS9318 SK Broadband Co Ltd
• AS4766 Korea Telecom
• AS24151 China Internet Network Infomation Center
• AS14650 Nucleo de Inf. e Coord. do Ponto BR - NIC.BR
• AS8763 DENIC eG
• AS9858 Korea Internet Security Agency

Routing security

• RPKI: 2 valid, 0 invalid and 19 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 86% of announcements registered; 57 route objects.
• Listed in as-sets: AS-ANC-CUSTOMER-PROXY-REGISTER, AS-CTBC-CUSTOMERS122, AS-DACOM, AS-DENIC, AS-DREAMLINE, AS-HANARO, AS-HURRICANE, AS-HURRICANEV6, AS-KDD, AS-KINX-TRANSIT, AS-KORNETBGP, AS-KRDNS, AS-SKBROADBAND, AS-SPACENET, AS-XO-B, AS3491:AS-CUSTOMERS-AP, AS3491:AS-CUSTOMERS-TEST.