AS33328 — NORTON-HEALTHCARE

AS33328 announces 3 IPv4 prefixes covering 1,792 addresses and 0 IPv6 prefixes.

About this network

NORTON-HEALTHCARE is the autonomous system for Norton Healthcare, a major hospital system operating in Kentucky and Indiana.

What it's used for

• The address space is primarily associated with the registrant Norton Healthcare, Inc., as seen in the netname NORTO for the largest prefix.
• The AS announces 1792 IPv4 addresses across 3 prefixes, with only 2 observed neighbours, indicating a small, self-contained internal corporate network rather than a transit or access provider.

Notable

• Registrants are mixed: the largest block (134.49.136.0/22) is registered to Norton Healthcare, Inc., while the smaller blocks (205.152.158.0/23 and 205.152.157.0/24) are registered to BRB-BMF BRIB.
• The address inventory is finely subdivided into three distinct prefixes, consistent with site-by-site segmentation for a large corporate estate.
• The AS has been observed in routing tables since 2005.

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

Announced prefixes

• 134.49.136.0/22
• 205.152.157.0/24
• 205.152.158.0/23

Upstream networks

• AS10796 Charter Communications Inc
• AS7018 AT&T Enterprises, LLC

Adjacent networks

• AS10796 Charter Communications Inc
• AS7018 AT&T Enterprises, LLC