AS59104 — SOKAU-AS Soka University

AS59104 announces 1 IPv4 prefixes covering 65,536 addresses and 0 IPv6 prefixes.

About this network

SOKAU-AS is operated by Soka University.

What it's used for

• The address space is registered under the netname JAPAN150 with the Japan Network Information Center.
• The AS announces a single IPv4 prefix, 150.37.0.0/16, comprising 65536 addresses, with 2 observed routing neighbours.
• This ratio of a large address block to a minimal number of peers indicates an internal corporate estate for a university campus, rather than a transit or access provider.

Notable

• The registrant for the announced prefix is the Japan Network Information Center, which is consistent with the announcer being a Japanese educational institution.
• Soka University is a private university in Hachioji City, Japan, affiliated with the Soka Gakkai.
• The inventory consists of one contiguous /16 block with no announced IPv6 prefixes.

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

Announced prefixes

• 150.37.0.0/16

Upstream networks

• AS2907 Research Organization of Information and Systems, National Institute of Informatics
• AS2497 Internet Initiative Japan Inc.

Adjacent networks

• AS2907 Research Organization of Information and Systems, National Institute of Informatics
• AS2497 Internet Initiative Japan Inc.

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.