AS55912 — u-kochi - University of Kochi

AS55912 announces 2 IPv4 prefixes covering 4,352 addresses and 2 IPv6 prefixes.

About this network

U-KOCHI is the autonomous system for University of Kochi.

What it's used for

• The address space carries university infrastructure, evidenced by reverse DNS entries such as kut75254.kochi-tech.ac.jp and uok103-15-39-064.u-kochi.ac.jp.
• The AS announces 4,352 IPv4 addresses across 2 prefixes and 2 IPv6 prefixes, with only 1 observed neighbour, indicating a single-site access network rather than a transit provider.
• Traffic consists of student and staff access, research endpoints, and administrative services for the institution.

Notable

• Registrants for both announced prefixes are listed as Japan Network Information Center, consistent with the holder's identity.
• The inventory includes a /20 block and a /24 block, reflecting a modest address allocation typical for a single-campus university.

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

Announced prefixes

• 103.15.39.0/24
• 222.229.64.0/20
• 2001:df0:2f5::/48
• 2404:1b00::/32

Upstream networks

• AS2907 Research Organization of Information and Systems, National Institute of Informatics

Adjacent networks

• AS2907 Research Organization of Information and Systems, National Institute of Informatics

Routing security

• RPKI: 0 valid, 0 invalid and 7 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 0 route objects.
• Listed in as-sets: AS-BBIX-T, AS-BBIX-T-V6, AS-EHIME-CATV, AS-GCTR-JP, AS-GIGAINFRA, AS-GIGAINFRA-V6, AS-IIJ, AS-IIJ6, AS-IPV6_VECTANT, AS-KDD, AS-KDDCUSTOMER2, AS-KDDI6, AS-MESH-CUSTOMER:AS10010, AS-MESH-CUSTOMER:AS18260, AS-OCN, AS-OCN, AS-OCN-V6, AS-OCN-V6, AS-TOKAI, AS-TOKAI6, AS-VECTANT, AS20965:AS-FROM-TEIN-TO-GEANT, AS2497:AS-IIJ, AS2497:AS-IIJ6.