AS59094 — S2-NET - esu2 Corporation

AS59094 announces 6 IPv4 prefixes covering 6,144 addresses and 0 IPv6 prefixes.

About this network

S2-NET is operated by esu2 Corporation.

What it's used for

• The address space carries static IP assignments for multiple distinct Japanese entities, as evidenced by registrants including Studio Magic Works, Monocolor Inc, AkitaKomachiNet LLC, Goods Corporation, and PILE Co., Ltd.
• The network announces 6144 IPv4 addresses across 6 prefixes with only 2 observed neighbours, indicating a hosting or business access role rather than transit.
• Traffic consists of web and API endpoints for the registered corporate entities, supported by reverse DNS records pointing to static.dg-ipas.net.

Notable

• Registrants for the announced prefixes are distinct from the AS holder, esu2 Corporation, indicating that the address space is allocated to or leased by various third-party organizations.
• The inventory consists of six /22 blocks, all located in Japan, with no IPv6 prefixes announced.

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

Announced prefixes

• 103.37.108.0/22
• 103.37.112.0/22
• 103.55.12.0/22
• 103.55.192.0/22
• 103.231.192.0/22
• 103.236.144.0/22

Upstream networks

• AS17676 SoftBank Corp.
• AS2516 KDDI CORPORATION

Adjacent networks

• AS17676 SoftBank Corp.
• AS2516 KDDI CORPORATION

Routing security

• RPKI: 0 valid, 0 invalid and 6 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 0 route objects.
• Listed in as-sets: AS-GIGAINFRA, AS-KDD, AS-KDDI6.