Autonomous system
AS46790 PHS-WA
Unclassified ARIN
Summary
Providence Health & Services
healthcare business enterprise
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-170-173with 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. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Transit providers
6 upstream, 0 downstream and 6 adjacent networks observed; most-used upstreams first.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-19, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 14 prefixes · 7.94K addresses IPv6 0 prefixes
| Country | Name | Prefixes |
|---|---|---|
| US | United States of America | 14 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS46790- Registry name
- PHS-WA
- Registrant
- Providence Health & Services
- Abuse contact
- InformationSecurity@providence.org
- Registered
- 2009-03-17
- Last changed
- 2012-02-24
- Allocation
- assigned
Routing security
RPKI and IRR
- RPKI
- 100% valid · 23 valid, 0 with no ROA
- ROAs
- 26 authorising AS46790
- ASPA
- no ASPA record
- IRR
- 100% registered · 23 of 23 announcements
- Route objects
- 40 naming AS46790
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 442 networks and 1,783 prefixes, as published 2026-10-20. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere