AS2504 — NCA5 Kyoto University

Network type: education

AS2504 announces 4 IPv4 prefixes covering 132,096 addresses and 0 IPv6 prefixes.

About this network

This network (NCA5) belongs to Kyoto University, one of Japan's leading national research universities.

What it's used for

• Campus, research, and administrative networking for the university in Kyoto.

Notable

• An institutional research-university network rather than a commercial ISP or host. The low AS number reflects an early Japanese-internet allocation.

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

Announced prefixes

• 130.54.0.0/16
• 133.3.0.0/16
• 192.50.8.0/23
• 192.50.24.0/23

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: 1 valid, 0 invalid and 3 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 4 route objects.
• Listed in as-sets: AS-2500ARCSTAR, AS-ANC-CUSTOMER-PROXY-REGISTER, AS-IIJ, AS-IIJ6, AS-KDDDMPEER, AS-NCA5-UNIVNET, AS-NETIRD-BACKUP, AS-WIDE, AS20965:AS-FROM-TEIN-TO-GEANT, AS2497:AS-IIJ, AS2497:AS-IIJ6.