AS55393 — MIDOKURA Midokura Japan K.K.

AS55393 announces 2 IPv4 prefixes covering 1,280 addresses and 0 IPv6 prefixes.

About this network

MIDOKURA is the autonomous system for Midokura Japan K.K.

What it's used for

• The address space carries corporate infrastructure, identified by the netname MIDOKURA-CIDR-BLK-JP and registrant Japan Network Information Center; IRT-JPNIC-JP.
• The AS announces a single IPv4 prefix, 119.15.112.0/22, comprising 1024 addresses, with 3 observed routing neighbours.
• Traffic from this AS consists of web and API endpoints for Midokura's GPU server sales, HPC services, and network virtualization platform operations.

Notable

• The registrant Japan Network Information Center; IRT-JPNIC-JP aligns with the announcer Midokura Japan K.K., confirming direct ownership of the address block.
• Midokura is an acquired company based in Tokyo, founded in 2010, operating as an open-source edge platform for network virtualization and a supplier of Supermicro GPU servers.
• The inventory consists of one contiguous /22 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

• 119.15.112.0/22
• 119.15.116.0/24

Upstream networks

• AS15830 Equinix (EMEA) Acquisition Enterprises B.V.
• AS35699 Adamo Telecom Iberia S.A.
• AS215029 OXIGEN Data Center S.L.

Adjacent networks

• AS15830 Equinix (EMEA) Acquisition Enterprises B.V.
• AS35699 Adamo Telecom Iberia S.A.
• AS215029 OXIGEN Data Center S.L.

Routing security

• RPKI: 5 valid, 0 invalid and 0 not-found announcements; 5 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 1 route objects.
• Listed in as-sets: AS-ACENS, AS-ADAMOEU, AS-BITISLE-17941, AS-EQUINIX-TY, AS-GIGAINFRA, AS-IIJ, AS-TELSTRA-INTL-CUSTOMERS, AS215029:AS-ALL, AS2497:AS-IIJ.