AS27185 — DHS-INTERNET

AS27185 announces 11 IPv4 prefixes covering 64,256 addresses and 0 IPv6 prefixes.

About this network

The AS handle DHS-INTERNET is operated by Danbury Hospital - ITG.

What it's used for

• The address space is entirely registered under the netname DANBURY-HOSP, indicating a dedicated internal network for the hospital's IT infrastructure.
• The AS announces 64256 IPv4 addresses across 22 prefixes, all within the 170.77.0.0/16 range, while maintaining only 5 observed neighbours. This high address-to-neighbour ratio characterizes it as an internal corporate estate rather than a transit or access provider.

Notable

• All registrants for the announced prefixes are consistently listed as Danbury Hospital - ITG, matching the AS holder.
• The inventory consists of a finely subdivided block of IPv4 space, segmented into prefixes ranging from /18 to /24, which is typical for site-by-site segmentation within a large organization.

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

Announced prefixes

• 170.77.0.0/17
• 170.77.128.0/19
• 170.77.160.0/20
• 170.77.176.0/22
• 170.77.181.0/24
• 170.77.182.0/23
• 170.77.184.0/21
• 170.77.192.0/22
• 170.77.200.0/21
• 170.77.208.0/20
• 170.77.224.0/19

Upstream networks

• AS46887 Crown Castle Fiber LLC
• AS12024 Advanced Corporate Network
• AS7015 Comcast Cable Communications, LLC
• AS12271 Charter Communications Inc

Downstream networks

• AS65645 AS65645

Adjacent networks

• AS46887 Crown Castle Fiber LLC
• AS12024 Advanced Corporate Network
• AS7015 Comcast Cable Communications, LLC
• AS12271 Charter Communications Inc
• AS65645 AS65645