AS27336 — SENTARA-HEALTH-CARE

AS27336 announces 1 IPv4 prefixes covering 65,536 addresses and 0 IPv6 prefixes.

About this network

The AS handle SENTARA-HEALTH-CARE is held by Sentara Healthcare.

What it's used for

• The address space carries internal corporate infrastructure for a not-for-profit integrated healthcare system, with all registrants and netnames identified as SENTARA and Sentara Healthcare.
• The AS announces 65536 IPv4 addresses across 31 prefixes while maintaining only 4 observed neighbours, a ratio that indicates an internal corporate estate with site-by-site segmentation rather than an access or transit network.

Notable

• All RDAP registrants for the largest prefixes agree with the announcer, consistently listing Sentara Healthcare as the registrant and SENTARA as the netname.
• The address inventory is entirely IPv4, with no IPv6 prefixes in the inventory, and is finely subdivided into multiple /20, /21, /22, and /23 blocks within the 163.230.0.0/16 range.

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

Announced prefixes

• 163.230.0.0/16

Upstream networks

• AS22773 Cox Communications Inc.
• AS7795 LUMOS Networks, Inc.
• AS33657 Comcast Cable Communications, LLC
• AS3356 Level 3 Parent, LLC

Adjacent networks

• AS22773 Cox Communications Inc.
• AS7795 LUMOS Networks, Inc.
• AS33657 Comcast Cable Communications, LLC
• AS3356 Level 3 Parent, LLC