Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS401691

Announcement unconfirmedARIN

UNIVERSAL HEALTH SERVICES · ABM-859

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/18/2026, 18:31:53Snapshot expired

View network topology RDAP registration

ASN: AS401691
Registration country: United States
Name: UNIVERSAL HEALTH SERVICES
Abbreviation: ABM-859
Registration date: 4/18/2025, 14:56:22
Status: Announcement unconfirmed
RIR: ARIN

Network relationships and announced prefixes

ASN / prefix	Description / organization	ASN registration country	Observation window start	Latest observation	IPv4	IPv6	Status
AS20214Upstream · observed weight 3	Network name pending collectionNetwork relationship data	Registration country pending sync	10/12/2026, 00:00:00	10/15/2026, 00:00:00	—	—	Currently observed
AS7018Upstream · observed weight 2	Network name pending collectionNetwork relationship data	Registration country pending sync	10/15/2026, 00:00:00	10/16/2026, 00:00:00	—	—	Currently observed

Relationships are observed AS_PATH adjacencies. Coverage is partial; direction does not establish a commercial relationship.

Registration and sources

Organization: UNIVERSAL HEALTH SERVICES
RIR: ARIN
Registration country: United States
Registration date: 4/18/2025, 14:56:22
Abuse contact: christina.abbascia@uhsinc.com

Snapshot trend

10/18/2026, 18:31:530 v40 v60 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: iana-rdap-asn-bootstrap · rir-rdap-asn · cha-la-bgp-observations