AS46790 — PHS-WA - Providence Health & Services

AS46790 announces 14 IPv4 prefixes covering 7,936 addresses and 0 IPv6 prefixes.

About this network

The AS handle PHS-WA is held by Providence Health & Services.

What it's used for

• The address space is registered under the netname PHS-170-173 with all registrants listed as Providence Health & Services.
• The AS announces 14 IPv4 prefixes totaling 7,936 addresses and maintains 6 observed neighbours, indicating a corporate internal network rather than a transit or access provider.
• Traffic from this AS consists of internal communications, clinical systems, and administrative endpoints for a not-for-profit healthcare system operating 51 hospitals and over 800 non-acute facilities across the western United States.

Notable

• All RDAP registrants for the announced prefixes agree with the AS holder, consistently identifying Providence Health & Services.
• The address inventory is finely subdivided into 14 distinct prefixes within the 170.173.0.0/16 range, reflecting site-by-site segmentation typical of a large multi-facility enterprise.

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

Announced prefixes

• 170.173.0.0/21
• 170.173.8.0/22
• 170.173.13.0/24
• 170.173.14.0/24
• 170.173.20.0/22
• 170.173.24.0/22
• 170.173.28.0/23
• 170.173.37.0/24
• 170.173.38.0/24
• 170.173.71.0/24
• 170.173.72.0/24
• 170.173.74.0/24
• 170.173.76.0/24
• 170.173.78.0/24

Upstream networks

• AS49915 Megaport (UK) Limited
• AS32787 Akamai Technologies, Inc.
• AS15830 Equinix (EMEA) Acquisition Enterprises B.V.
• AS3356 Level 3 Parent, LLC
• AS54588 Equinix, Inc.
• AS32550 Equinix, Inc.

Adjacent networks

• AS49915 Megaport (UK) Limited
• AS32787 Akamai Technologies, Inc.
• AS15830 Equinix (EMEA) Acquisition Enterprises B.V.
• AS3356 Level 3 Parent, LLC
• AS54588 Equinix, Inc.
• AS32550 Equinix, Inc.

Routing security

• RPKI: 24 valid, 0 invalid and 0 not-found announcements; 27 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 41 route objects.
• Listed in as-sets: AS-EC-LA, AS-EC-SE, AS-EC-SV, AS-KDDCUSTOMER2, AS-PROLE, AS-TELSTRA-INTL-CUSTOMERS, AS-WAVE-CUSTOMERS, AS49915:AS-CUSTOMERS.