AS20066 — MSC-SJ-HQ

AS20066 announces 5 IPv4 prefixes covering 1,280 addresses and 0 IPv6 prefixes.

About this network

MSC-SJ-HQ is the autonomous system for Supermicro, a major server and storage hardware manufacturer.

What it's used for

• The address space carries corporate infrastructure, evidenced by reverse DNS entries like 66-120-31-64.supermicro.com and onsite-source.supermicro.com.
• The AS announces 1280 IPv4 addresses across 5 prefixes with only 2 observed neighbours, indicating a small, internal corporate estate rather than a transit or access network.

Notable

• Registrants are mixed: two prefixes are registered to Comcast Cable Communications, LLC, while three are registered to variations of Super Micro Computer, Inc.
• The inventory consists of five /24 blocks, including two that appear to be leased or historically associated with Comcast, alongside three blocks directly registered to the company.

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

Announced prefixes

• 50.145.10.0/24
• 50.225.87.0/24
• 64.166.75.0/24
• 66.120.31.0/24
• 207.212.57.0/24

Upstream networks

• AS7018 AT&T Enterprises, LLC
• AS33651 Comcast Cable Communications, LLC

Adjacent networks

• AS7018 AT&T Enterprises, LLC
• AS33651 Comcast Cable Communications, LLC