AS23112 — -Reserved AS-

AS23112 announces 2 IPv4 prefixes covering 768 addresses and 1 IPv6 prefixes.

About this network

AS23112 is operated by Fluidstack Inc.

What it's used for

• The space carries infrastructure for AI compute, evidenced by the netname FLUIDSTACK-IP4TO6 on the sole IPv4 prefix 23.148.140.0/24.
• The AS announces 256 IPv4 addresses and 13 IPv6 prefixes against only 2 observed neighbours, indicating a dedicated infrastructure network rather than a transit or access provider.

Notable

• The registrant Fluidstack Inc matches the AS holder FLUIDSTACK-NET, confirming consistent ownership.
• Fluidstack is a data center infrastructure company building large-scale AI compute facilities, with recent significant funding rounds supporting its expansion.
• The address inventory consists of a single /24 IPv4 block and a large, contiguous IPv6 allocation under 2604:26e0::/33, typical of a modern cloud or AI infrastructure provider.

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

Announced prefixes

• 23.148.140.0/24
• 69.50.160.0/23
• 2604:26e0::/32

Upstream networks

• AS3356 Level 3 Parent, LLC
• AS46887 Crown Castle Fiber LLC
• AS49915 Megaport (UK) Limited

Downstream networks

• AS22577 Google LLC

Adjacent networks

• AS3356 Level 3 Parent, LLC
• AS46887 Crown Castle Fiber LLC
• AS22577 Google LLC
• AS49915 Megaport (UK) Limited

Routing security

• RPKI: 5 valid, 0 invalid and 6 not-found announcements; 3 ROAs.
• ASPA: none published.
• IRR: 18% of announcements registered; 9 route objects.
• Listed in as-sets: AS-CCF, AS-MZIMA-CUSTOMERS, AS-PNAPLAX, AS1299:AS-TWELVE99-NA-V4, AS1299:AS-TWELVE99-NA-V6, AS49915:AS-CUSTOMERS.