AS24268 — SAINS National University Corporation Shizuoka University

AS24268 announces 1 IPv4 prefixes covering 65,536 addresses and 0 IPv6 prefixes.

About this network

The AS handle SAINS is held by National University Corporation Shizuoka University.

What it's used for

• The address space carries the university's network infrastructure, identified by the registrant JPNIC-NET-JP-ERX and the holder's status as a national university corporation.
• The AS announces a single IPv4 prefix of 133.70.0.0/16 (65536 addresses) with 2 observed neighbours, a ratio consistent with an internal educational network rather than a transit provider.

Notable

• The RDAP registrant Japan Network Information Center (JPNIC) is the regional registry for Japan, which is standard for Japanese academic institutions and does not indicate a mismatch with the announcer.
• The inventory consists of one contiguous /16 block, representing a standard allocation for a large institutional network.

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

Announced prefixes

• 133.70.0.0/16

Upstream networks

• AS2907 Research Organization of Information and Systems, National Institute of Informatics
• AS10010 TOKAI Communications Corporation

Adjacent networks

• AS2907 Research Organization of Information and Systems, National Institute of Informatics
• AS10010 TOKAI Communications Corporation

Routing security

• RPKI: 0 valid, 0 invalid and 1 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 3 route objects.
• Listed in as-sets: AS-17697ARCSTAR, AS-BBX-PEERS, AS-GIGAINFRA, AS-IIJ, AS-IIJ6, AS-INFOSPHERE, AS-INFOSPHERE-V6, AS-KDD, AS-KDDI6, AS-MESH-CUSTOMER:AS10010, AS-OCN, AS-OCN, AS-PACNET-CUSTOMER-PROXY-REGISTER, AS-TELSTRA-INTL-CUSTOMERS, AS-TELSTRA-INTL-CUSTOMERS-4637, AS-TOKAI, AS-XO-B, AS20965:AS-FROM-TEIN-TO-GEANT, AS2497:AS-IIJ, AS2497:AS-IIJ6, AS3491:AS-CUSTOMERS-AP.