ASN Lookup Tool

Tenet HealthSystem Medical, Inc. tenethealth.com US US 9 Routes

AS Data

AS19398

AS19398 – Tenet HealthSystem Medical, Inc.

AS Number 19398
AS Name TENET-HEALTHCARE-ASN-01
Organization Tenet HealthSystem Medical, Inc.(thm-36)
Country US
Website tenethealth.com
Number of IPv4 Routes 9
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2023-03-07

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Use ASN data for AS19398 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
155.139.128.0/24 256
155.139.108.0/22 1024
155.139.24.0/22 1024
172.85.72.0/22 1024
155.139.39.0/24 256
155.139.116.0/23 512
155.139.41.0/24 256
155.139.92.0/23 512
155.139.104.0/22 1024

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:       19398
ASName:         TENET-HEALTHCARE-ASN-01
ASHandle:       AS19398
RegDate:        2023-03-07
Updated:        2023-03-07    
Ref:            https://rdap.arin.net/registry/autnum/19398


OrgName:        Tenet HealthSystem Medical, Inc.
OrgId:          THM-36
Address:        14201 Dallas Parkway
City:           Dallas
StateProv:      TX
PostalCode:     75254
Country:        US
RegDate:        2022-01-06
Updated:        2022-04-17
Ref:            https://rdap.arin.net/registry/entity/THM-36


OrgNOCHandle: DLARI-ARIN
OrgNOCName:   DL-ARIN-Registry
OrgNOCPhone:  +1-469-893-2823 
OrgNOCEmail:  gabriel.long@tenethealth.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/DLARI-ARIN

OrgAbuseHandle: LONGG6-ARIN
OrgAbuseName:   Long, Gabriel 
OrgAbusePhone:  +1-469-893-2200 
OrgAbuseEmail:  gabriel.long@tenethealth.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LONGG6-ARIN

OrgNOCHandle: LONGG6-ARIN
OrgNOCName:   Long, Gabriel 
OrgNOCPhone:  +1-469-893-2200 
OrgNOCEmail:  gabriel.long@tenethealth.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/LONGG6-ARIN

OrgRoutingHandle: DLARI-ARIN
OrgRoutingName:   DL-ARIN-Registry
OrgRoutingPhone:  +1-469-893-2823 
OrgRoutingEmail:  gabriel.long@tenethealth.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DLARI-ARIN

OrgRoutingHandle: LONGG6-ARIN
OrgRoutingName:   Long, Gabriel 
OrgRoutingPhone:  +1-469-893-2200 
OrgRoutingEmail:  gabriel.long@tenethealth.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/LONGG6-ARIN

OrgTechHandle: DLARI-ARIN
OrgTechName:   DL-ARIN-Registry
OrgTechPhone:  +1-469-893-2823 
OrgTechEmail:  gabriel.long@tenethealth.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DLARI-ARIN

OrgAbuseHandle: DLARI-ARIN
OrgAbuseName:   DL-ARIN-Registry
OrgAbusePhone:  +1-469-893-2823 
OrgAbuseEmail:  gabriel.long@tenethealth.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DLARI-ARIN

OrgDNSHandle: DLARI-ARIN
OrgDNSName:   DL-ARIN-Registry
OrgDNSPhone:  +1-469-893-2823 
OrgDNSEmail:  gabriel.long@tenethealth.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/DLARI-ARIN

OrgDNSHandle: LONGG6-ARIN
OrgDNSName:   Long, Gabriel 
OrgDNSPhone:  +1-469-893-2200 
OrgDNSEmail:  gabriel.long@tenethealth.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/LONGG6-ARIN

OrgTechHandle: LONGG6-ARIN
OrgTechName:   Long, Gabriel 
OrgTechPhone:  +1-469-893-2200 
OrgTechEmail:  gabriel.long@tenethealth.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LONGG6-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
AS46887 Crown Castle Fiber LLC US
AS20001 Charter Communications Inc US
AS286 GTT Communications Inc. NL
AS286 GTT Communications Inc. US
AS3257 GTT Communications Inc. US
AS3356 Level 3 Parent, LLC US
AS6461 Zayo Bandwidth US

Upstreams

AS Number Description Country
AS46887 Crown Castle Fiber LLC US
AS20001 Charter Communications Inc US
AS286 GTT Communications Inc. US
AS3257 GTT Communications Inc. US
AS3356 Level 3 Parent, LLC US
AS6461 Zayo Bandwidth US

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Frequently Asked Questions

ASN AS19398 is an Autonomous System Number used to identify a network for BGP internet routing.
AS19398 is listed under Tenet HealthSystem Medical, Inc..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.