AS18693 — UCH-CENTRAL

AS18693 announces 4 IPv4 prefixes covering 1,280 addresses and 0 IPv6 prefixes.

About this network

UCH-CENTRAL is operated by University of Colorado Hospital.

What it's used for

• The address space is primarily associated with the hospital, evidenced by netnames UCH on three of the four prefixes.
• One prefix, 24.155.10.0/24, carries the netname GRANDECOM-GRANDECOMMUNICATIONS and reverse DNS records pointing to static.grandenetworks.net, indicating a distinct telecommunications or leased segment within the AS.
• The AS announces 1280 IPv4 addresses across 4 prefixes and maintains 4 observed neighbours, a ratio consistent with a site-specific or enterprise network rather than a large-scale transit provider.

Notable

• Registrants for the majority of the space are listed as "University of Colorado Hospital; Senior Network Engineer," while the 24.155.10.0/24 block is registered to "Grande Communications."
• The University of Colorado Hospital was formerly named Colorado General Hospital and serves as the principal teaching hospital for the University of Colorado School of Medicine.
• The inventory consists of three blocks in the 168.200.0.0/16 range and one isolated block in the 24.0.0.0/8 range.

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

Announced prefixes

• 24.155.10.0/24
• 168.200.2.0/23
• 168.200.5.0/24
• 168.200.6.0/24

Upstream networks

• AS3356 Level 3 Parent, LLC
• AS209 CenturyLink Communications, LLC
• AS7459 Grande Communications Networks, LLC
• AS6461 Zayo Bandwidth

Adjacent networks

• AS3356 Level 3 Parent, LLC
• AS209 CenturyLink Communications, LLC
• AS7459 Grande Communications Networks, LLC
• AS6461 Zayo Bandwidth