AS19321 University Medical Center

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	199.21.252.0/23	University Medical Center		199.21.252.0/22	ARIN
	199.21.254.0/23	University Medical Center		198.232.104.0/21	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS13693	NTS-ONLINE	Vexus Fiber
	AS22645	LEARN-COMMODITY	LEARN
	AS13359	LEARN-CACHING-PEERING	LEARN

• IPv4 Upstreams

Country	ASN	Name	Description
	AS13693	NTS-ONLINE	Vexus Fiber
	AS22645	LEARN-COMMODITY	LEARN
	AS13359	LEARN-CACHING-PEERING	LEARN

IPv4 Upstream Graph

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IPv4 Upstream Graph

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#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       19321
ASName:         UMC-HEALTH-SYSTEM
ASHandle:       AS19321
RegDate:        2010-07-30
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/19321


OrgName:        University Medical Center
OrgId:          LCHD
Address:        602 Indiana Avenue
City:           Lubbock
StateProv:      TX
PostalCode:     79415
Country:        US
RegDate:        2010-05-14
Updated:        2021-07-26
Ref:            https://rdap.arin.net/registry/entity/LCHD


OrgTechHandle: NETWO9503-ARIN
OrgTechName:   NetworkTeam
OrgTechPhone:  +1-806-775-9109 
OrgTechEmail:  itinfrastructurenetwork@umchealthsystem.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO9503-ARIN

OrgNOCHandle: NETWO9503-ARIN
OrgNOCName:   NetworkTeam
OrgNOCPhone:  +1-806-775-9109 
OrgNOCEmail:  itinfrastructurenetwork@umchealthsystem.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO9503-ARIN

OrgRoutingHandle: NETWO9503-ARIN
OrgRoutingName:   NetworkTeam
OrgRoutingPhone:  +1-806-775-9109 
OrgRoutingEmail:  itinfrastructurenetwork@umchealthsystem.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NETWO9503-ARIN

OrgAbuseHandle: NETWO9503-ARIN
OrgAbuseName:   NetworkTeam
OrgAbusePhone:  +1-806-775-9109 
OrgAbuseEmail:  itinfrastructurenetwork@umchealthsystem.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO9503-ARIN

OrgDNSHandle: NETWO9503-ARIN
OrgDNSName:   NetworkTeam
OrgDNSPhone:  +1-806-775-9109 
OrgDNSEmail:  itinfrastructurenetwork@umchealthsystem.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/NETWO9503-ARIN

OrgTechHandle: ADMIN7527-ARIN
OrgTechName:   Admin
OrgTechPhone:  +1-806-775-9538 
OrgTechEmail:  christopher.hyatt@umchealthsystem.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ADMIN7527-ARIN

RNOCHandle: CASTL-ARIN
RNOCName:   Castle, Matt 
RNOCPhone:  +1-806-775-9109 
RNOCEmail:  cakeroyd@teamumc.com
RNOCRef:    https://rdap.arin.net/registry/entity/CASTL-ARIN

RTechHandle: CASTL-ARIN
RTechName:   Castle, Matt 
RTechPhone:  +1-806-775-9109 
RTechEmail:  cakeroyd@teamumc.com
RTechRef:    https://rdap.arin.net/registry/entity/CASTL-ARIN

RAbuseHandle: CASTL-ARIN
RAbuseName:   Castle, Matt 
RAbusePhone:  +1-806-775-9109 
RAbuseEmail:  cakeroyd@teamumc.com
RAbuseRef:    https://rdap.arin.net/registry/entity/CASTL-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 1997-2025, American Registry for Internet Numbers, Ltd.
#