AS40200 — ASN-MUNSON-CHARTER-ATT

AS40200 announces 2 IPv4 prefixes covering 4,096 addresses and 0 IPv6 prefixes.

About this network

ASN-MUNSON-CHARTER-ATT is operated by Munson Healthcare.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by netnames MHC-1 and MUNSON-HC registered to Munson Healthcare.
• The AS announces 4096 IPv4 addresses across 2 prefixes with 2 observed neighbours, indicating a small, self-contained internal network rather than a transit or access provider.
• Traffic from this AS consists of internal communications, clinical systems, and administrative endpoints for a regional hospital network in northern Michigan.

Notable

• Registrants for both announced prefixes are Munson Healthcare, matching the AS holder.
• Munson Healthcare acquired the hospitals in Cadillac and Grayling from Trinity Health in February 2015, expanding its regional footprint.
• The inventory consists of two /21 blocks, a modest size consistent with a single corporate entity's internal estate.

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

Announced prefixes

• 199.253.184.0/21
• 204.63.200.0/21

Upstream networks

• AS22974 Charter Communications LLC
• AS30517 Great Lakes Comnet, Inc.

Adjacent networks

• AS22974 Charter Communications LLC
• AS30517 Great Lakes Comnet, Inc.