AS55586 — CATHOLIC-AS-KR THE CATHOLIC UNIVERSITY OF KOREA SONGSIM

AS55586 announces 9 IPv4 prefixes covering 4,608 addresses and 0 IPv6 prefixes.

About this network

CATHOLIC-AS-KR is operated by The Catholic University of Korea.

What it's used for

• The address space carries university infrastructure, with registrant netnames including broadNnet-KR, KORNET-KR, and KREN-KR under IRT-KRNIC-KR.
• The AS announces 4,608 IPv4 addresses across 9 prefixes and has 1 observed neighbour, indicating an isolated on-campus network rather than a transit provider.
• Traffic consists of academic and administrative endpoints for the university's Bucheon campus, including student and staff access.

Notable

• Registrants are consistent with the announcer, all listed under IRT-KRNIC-KR with netnames reflecting Korean national research and education networks.
• The inventory is a mix of /22, /23, and /24 blocks, typical of a large institutional allocation subdivided for internal use.

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

Announced prefixes

• 1.224.172.0/22
• 175.119.39.0/24
• 175.119.40.0/24
• 203.229.205.0/24
• 203.229.206.0/23
• 210.126.48.0/23
• 211.222.56.0/22
• 220.68.29.0/24
• 220.68.30.0/23

Upstream networks

• AS9318 SK Broadband Co Ltd

Adjacent networks

• AS9318 SK Broadband Co Ltd

Routing security

• RPKI: 0 valid, 0 invalid and 18 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 26 route objects.
• Listed in as-sets: AS-GLOBEINTERNET-CLIENTS, AS-GLOBEINTERNET-CLIENTS, AS-HANARO, AS-HURRICANE, AS-KORNETBGP, AS-SKBROADBAND, AS-XO-B, AS3491:AS-CUSTOMERS-AP.