ASN AS4354 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS4354?

AS4354 is listed under UNIVERSAL HEALTH SERVICES.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS4354 UNIVERSAL HEALTH SERVICES

ASN Lookup Tool

UNIVERSAL HEALTH SERVICES uhsinc.com

US 1 Routes

AS Data

AS4354

AS4354 – UNIVERSAL HEALTH SERVICES

AS Number	4354
AS Name	ERM-026
Organization	UNIVERSAL HEALTH SERVICES(uhs-206)
Country	US
Website	uhsinc.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2024-12-03

ASN Intelligence API for production workflows

Use ASN data for AS4354 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
12.199.74.0/24	AS4354	UNIVERSAL HEALTH SERVICES	UHS OF DELAWARE	256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       4354
ASName:         ERM-026
ASHandle:       AS4354
RegDate:        2024-12-03
Updated:        2025-08-19
Comment:        https://www.southtexashealthsystemedinburg.com/    
Ref:            https://rdap.arin.net/registry/autnum/4354


OrgName:        UNIVERSAL HEALTH SERVICES
OrgId:          UHS-206
Address:        367 S. Gulph Rd.
City:           King of Prussia
StateProv:      PA
PostalCode:     19406
Country:        US
RegDate:        2018-07-19
Updated:        2024-06-20
Ref:            https://rdap.arin.net/registry/entity/UHS-206


OrgAbuseHandle: ABBAS57-ARIN
OrgAbuseName:   Abbascia, Christina 
OrgAbusePhone:  +1-610-382-1062 
OrgAbuseEmail:  christina.abbascia@uhsinc.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABBAS57-ARIN

OrgTechHandle: ABBAS57-ARIN
OrgTechName:   Abbascia, Christina 
OrgTechPhone:  +1-610-382-1062 
OrgTechEmail:  christina.abbascia@uhsinc.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ABBAS57-ARIN

OrgTechHandle: UCNG-ARIN
OrgTechName:   UHS Corp Network Group
OrgTechPhone:  +1-610-768-3300 
OrgTechEmail:  CORPNetworkGroup@uhsinc.com
OrgTechRef:    https://rdap.arin.net/registry/entity/UCNG-ARIN

OrgDNSHandle: ABBAS57-ARIN
OrgDNSName:   Abbascia, Christina 
OrgDNSPhone:  +1-610-382-1062 
OrgDNSEmail:  christina.abbascia@uhsinc.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/ABBAS57-ARIN

OrgDNSHandle: UCNG-ARIN
OrgDNSName:   UHS Corp Network Group
OrgDNSPhone:  +1-610-768-3300 
OrgDNSEmail:  CORPNetworkGroup@uhsinc.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/UCNG-ARIN

OrgAbuseHandle: UCNG-ARIN
OrgAbuseName:   UHS Corp Network Group
OrgAbusePhone:  +1-610-768-3300 
OrgAbuseEmail:  CORPNetworkGroup@uhsinc.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/UCNG-ARIN

OrgNOCHandle: ABBAS57-ARIN
OrgNOCName:   Abbascia, Christina 
OrgNOCPhone:  +1-610-382-1062 
OrgNOCEmail:  christina.abbascia@uhsinc.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ABBAS57-ARIN

OrgRoutingHandle: UCNG-ARIN
OrgRoutingName:   UHS Corp Network Group
OrgRoutingPhone:  +1-610-768-3300 
OrgRoutingEmail:  CORPNetworkGroup@uhsinc.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/UCNG-ARIN

OrgNOCHandle: UCNG-ARIN
OrgNOCName:   UHS Corp Network Group
OrgNOCPhone:  +1-610-768-3300 
OrgNOCEmail:  CORPNetworkGroup@uhsinc.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/UCNG-ARIN

OrgRoutingHandle: ABBAS57-ARIN
OrgRoutingName:   Abbascia, Christina 
OrgRoutingPhone:  +1-610-382-1062 
OrgRoutingEmail:  christina.abbascia@uhsinc.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ABBAS57-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS11427	Charter Communications Inc	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS11427	Charter Communications Inc	US