AS36364 — MHSNET - Mary Washington Hospital, Inc.

AS36364 announces 2 IPv4 prefixes covering 768 addresses and 0 IPv6 prefixes.

About this network

MHSNET is the autonomous system for Mary Washington Healthcare, a regional medical center in Fredericksburg, Virginia.

What it's used for

• The address space carries internal corporate infrastructure, evidenced by the netname MARY-WASH-HEALTHCARE and registrant Mary Washington Hospital, Inc. on both announced prefixes.
• The AS announces 768 IPv4 addresses across 2 prefixes (198.179.158.0/23 and 198.179.157.0/24) with only 3 observed neighbours, indicating a small, self-contained internal network rather than a transit or access provider.

Notable

• Registrants align perfectly with the announcer, with both prefixes registered to Mary Washington Hospital, Inc. under the netname MARY-WASH-HEALTHCARE.
• The address inventory is compact and finely subdivided into two contiguous blocks, consistent with a single-site corporate estate rather than a distributed service network.

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

Announced prefixes

• 198.179.157.0/24
• 198.179.158.0/23

Upstream networks

• AS21508 Comcast Cable Communications, LLC
• AS22773 Cox Communications Inc.
• AS7018 AT&T Enterprises, LLC

Adjacent networks

• AS21508 Comcast Cable Communications, LLC
• AS22773 Cox Communications Inc.
• AS7018 AT&T Enterprises, LLC

Routing security

• RPKI: 0 valid, 0 invalid and 3 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 33% of announcements registered; 1 route objects.
• Listed in as-sets: AS-COMCAST-EDIA, AS-COX-NOVA.