AS51044 — RHE Kazuki Yamaguchi

AS51044 announces 1 IPv4 prefixes covering 1,024 addresses and 5 IPv6 prefixes.

About this network

The AS handle RHE is held by Kazuki Yamaguchi.

What it's used for

• The address space carries infrastructure for RHE, evidenced by the netname JP-RHE-20190903 and reverse DNS entry ns2-2020.rhe.jp.
• The AS announces 1024 IPv4 addresses across 2 prefixes and 6 IPv6 prefixes, with 6 observed neighbours, indicating a small-scale hosting or business network rather than a transit provider.
• Traffic from this AS consists of web and API endpoints associated with the RHE-NET infrastructure.

Notable

• Registrants for both announced IPv4 prefixes are listed as Kazuki Yamaguchi, matching the AS holder.
• The address inventory is compact, consisting of two contiguous /23 blocks in the 45.148.0.0/16 range and several IPv6 prefixes under 2a0f:600::/48.

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

Announced prefixes

• 45.148.172.0/22
• 2a0f:600::/48
• 2a0f:600:604::/46
• 2a0f:600:608::/45
• 2a0f:601::/32
• 2a0f:602::/32

Upstream networks

• AS20473 The Constant Company, LLC
• AS57578 Misaka Network, Inc.
• AS34549 meerfarbig GmbH & Co. KG
• AS6939 Hurricane Electric LLC
• AS57695 Misaka Network, Inc.
• AS142616 Misaka Network, Inc.

Adjacent networks

• AS20473 The Constant Company, LLC
• AS57578 Misaka Network, Inc.
• AS34549 meerfarbig GmbH & Co. KG
• AS6939 Hurricane Electric LLC
• AS57695 Misaka Network, Inc.
• AS142616 Misaka Network, Inc.

Routing security

• RPKI: 21 valid, 0 invalid and 0 not-found announcements; 3 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 75 route objects.
• Listed in as-sets: AS-40676, AS-ABANTU-CUSTOMERS, AS-ABANTU-DOWNSTREAM, AS-ATKGAGRA, AS-BBIX-T, AS-BBIX-T-V6, AS-COMBAHTON-VR, AS-HOSTHATCH, AS-KDDCUSTOMER2, AS-MISAKA-CUSTOMERS, AS-MISAKA-CUSTOMERS2, AS20473:AS-VULTR, AS51044:AS-RHE, AS917:AS-CUSTOMERS, AS917:AS-CUSTOMERS-LARGE.