AS23561 — YONGINUNIVERSITY-AS-KR Yongin University

AS23561 announces 6 IPv4 prefixes covering 3,584 addresses and 0 IPv6 prefixes.

About this network

The AS handle YONGINUNIVERSITY-AS-KR is held by Yongin University.

What it's used for

• The address space is registered under the netname KREN-KR with registrant IRT-KRNIC-KR, indicating allocation through the Korea Internet & Security Agency.
• The AS announces 3584 IPv4 addresses across 6 prefixes, with a single observed neighbour, a ratio consistent with an isolated institutional network rather than a transit provider.

Notable

• All six announced prefixes share the same registrant IRT-KRNIC-KR and netname KREN-KR, which aligns with the university's identity as the announcer.
• The inventory consists of one /22 block (210.119.136.0/22) and five smaller blocks within the 220.66.60.0/22 range, reflecting a segmented internal corporate estate.

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

Announced prefixes

• 210.119.136.0/22
• 220.66.61.0/24
• 220.66.62.0/23
• 220.66.64.0/22
• 220.66.68.0/23
• 220.66.70.0/24

Upstream networks

• AS9318 SK Broadband Co Ltd

Adjacent networks

• AS9318 SK Broadband Co Ltd

Routing security

• RPKI: 0 valid, 0 invalid and 14 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 14 route objects.
• Listed in as-sets: AS-DACOM, AS-HURRICANE, AS-KORNETBGP, AS-SKBROADBAND, AS-XO-B.