AS17687 — NICE National University Corporation Nagoya University

AS17687 announces 3 IPv4 prefixes covering 131,328 addresses and 0 IPv6 prefixes.

About this network

NICE is the autonomous system for National University Corporation Nagoya University.

What it's used for

• The address space is registered under the netname NICE-CIDR-BLK-JP for the university, with larger blocks held by the Japan Network Information Center.
• The AS announces 131,328 IPv4 addresses across 3 prefixes, including two /16 blocks and one /24, while maintaining a single observed routing neighbour.

Notable

• Registrants for the two largest prefixes are listed as the Japan Network Information Center, while the smaller /24 prefix is registered directly to the university.
• The address inventory consists of two large /16 blocks and a single /24 block, all located in Japan.

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

Announced prefixes

• 133.6.0.0/16
• 133.47.0.0/16
• 192.50.56.0/24

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 3 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 0 route objects.
• Listed in as-sets: AS-IIJ, AS-IIJ6, AS20965:AS-FROM-TEIN-TO-GEANT, AS2497:AS-IIJ, AS2497:AS-IIJ6.