AS36299 — CAPSTONECO-1

AS36299 announces 2 IPv4 prefixes covering 768 addresses and 0 IPv6 prefixes.

About this network

CAPSTONECO-1 is operated by Capstone Investment Advisors LLC.

What it's used for

• The address space carries corporate infrastructure for an alternative investment management firm, as indicated by the netnames CAPSTONE-INTERNET and UK-CAPSTONECO-20250526.
• The AS announces 768 IPv4 addresses across 2 prefixes with 3 observed neighbours, a ratio consistent with a small internal corporate estate rather than a transit or access network.

Notable

• Registrants align with the announcer, listing Capstone Investment Advisors LLC for the US block and Capstone Investment Advisors (UK), LLP for the UK block.
• The inventory consists of two distinct IPv4 prefixes: 207.90.246.0/23 and 195.93.154.0/24, with no IPv6 prefixes announced.
• The presence of a UK-specific netname suggests international segmentation of the corporate network.

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

Announced prefixes

• 195.93.154.0/24
• 207.90.246.0/23

Upstream networks

• AS6939 Hurricane Electric LLC
• AS25180 Exponential-E Ltd.
• AS174 Cogent Communications, LLC

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS25180 Exponential-E Ltd.
• AS174 Cogent Communications, LLC

Routing security

• RPKI: 4 valid, 0 invalid and 0 not-found announcements; 4 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 4 route objects.
• Listed in as-sets: AS-EXPONENTIAL-E, AS-HURRICANE, AS-TRANSROUTE-SPEC, AS-WINDSTREAM-CUST, AS36299:AS-ALL.