What is ASN AS402477?

ASN AS402477 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS402477?

AS402477 is listed under Concentra Health Services, Inc..

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.

AS402477 Concentra Health Services, Inc.

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Concentra Health Services, Inc. concentra.com

US 0 Routes

AS Data

AS402477

AS402477 – Concentra Health Services, Inc.

AS Number	402477
AS Name	CHS-RCH
Organization	Concentra Health Services, Inc. (chs-408)
Country	US
Website	concentra.com
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2026-05-04

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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:       402477
ASName:         CHS-RCH
ASHandle:       AS402477
RegDate:        2026-05-04
Updated:        2026-05-04
Ref:            https://rdap.arin.net/registry/autnum/402477


OrgName:        Concentra Health Services, Inc.
OrgId:          CHS-408
Address:        5080 Spectrum Drive, Ste 1200 West
City:           Addison
StateProv:      TX
PostalCode:     75001
Country:        US
RegDate:        2026-02-24
Updated:        2026-03-09
Ref:            https://rdap.arin.net/registry/entity/CHS-408


OrgAbuseHandle: ABUSE9546-ARIN
OrgAbuseName:   Abuse Reporting
OrgAbusePhone:  +1-866-944-6046 
OrgAbuseEmail:  abuse@concentra.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE9546-ARIN

OrgTechHandle: HENDE443-ARIN
OrgTechName:   Henderson, Gregory 
OrgTechPhone:  +1-866-944-6046 
OrgTechEmail:  gdhenderson@concentra.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HENDE443-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.
#


#
# 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:       402477
ASName:         CHS-RCH
ASHandle:       AS402477
RegDate:        2026-05-04
Updated:        2026-05-04
Ref:            https://rdap.arin.net/registry/autnum/402477


OrgName:        Concentra Health Services, Inc.
OrgId:          CHS-408
Address:        5080 Spectrum Drive, Ste 1200 West
City:           Addison
StateProv:      TX
PostalCode:     75001
Country:        US
RegDate:        2026-02-24
Updated:        2026-03-09
Ref:            https://rdap.arin.net/registry/entity/CHS-408


OrgAbuseHandle: ABUSE9546-ARIN
OrgAbuseName:   Abuse Reporting
OrgAbusePhone:  +1-866-944-6046 
OrgAbuseEmail:  abuse@concentra.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE9546-ARIN

OrgTechHandle: HENDE443-ARIN
OrgTechName:   Henderson, Gregory 
OrgTechPhone:  +1-866-944-6046 
OrgTechEmail:  gdhenderson@concentra.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HENDE443-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.
#


#
# 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:       402477
ASName:         CHS-RCH
ASHandle:       AS402477
RegDate:        2026-05-04
Updated:        2026-05-04
Ref:            https://rdap.arin.net/registry/autnum/402477


OrgName:        Concentra Health Services, Inc.
OrgId:          CHS-408
Address:        5080 Spectrum Drive, Ste 1200 West
City:           Addison
StateProv:      TX
PostalCode:     75001
Country:        US
RegDate:        2026-02-24
Updated:        2026-03-09
Ref:            https://rdap.arin.net/registry/entity/CHS-408


OrgAbuseHandle: ABUSE9546-ARIN
OrgAbuseName:   Abuse Reporting
OrgAbusePhone:  +1-866-944-6046 
OrgAbuseEmail:  abuse@concentra.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE9546-ARIN

OrgTechHandle: HENDE443-ARIN
OrgTechName:   Henderson, Gregory 
OrgTechPhone:  +1-866-944-6046 
OrgTechEmail:  gdhenderson@concentra.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HENDE443-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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "402477",
    "as_handle" : "AS402477",
    "as_name" : "CHS-RCH",
    "tech_contacts" : [ "HENDE443-ARIN", "HENDE443-ARIN", "HENDE443-ARIN" ],
    "abuse_contacts" : [ "ABUSE9546-ARIN", "ABUSE9546-ARIN", "ABUSE9546-ARIN" ],
    "date_created" : "2026-05-04",
    "date_updated" : "2026-05-04",
    "source" : "https://rdap.arin.net/registry/autnum/402477"
  }, {
    "aut_num" : "402477",
    "as_handle" : "AS402477",
    "as_name" : "CHS-RCH",
    "tech_contacts" : [ "HENDE443-ARIN", "HENDE443-ARIN" ],
    "abuse_contacts" : [ "ABUSE9546-ARIN", "ABUSE9546-ARIN" ],
    "date_created" : "2026-05-04",
    "date_updated" : "2026-05-04",
    "source" : "https://rdap.arin.net/registry/autnum/402477"
  }, {
    "aut_num" : "402477",
    "as_handle" : "AS402477",
    "as_name" : "CHS-RCH",
    "tech_contacts" : [ "HENDE443-ARIN" ],
    "abuse_contacts" : [ "ABUSE9546-ARIN" ],
    "date_created" : "2026-05-04",
    "date_updated" : "2026-05-04",
    "source" : "https://rdap.arin.net/registry/autnum/402477"
  } ],
  "organization" : {
    "handle" : "CHS-408",
    "name" : "Concentra Health Services, Inc.",
    "address" : [ "5080 Spectrum Drive, Ste 1200 West", "Addison", "TX", "75001", "US" ],
    "street" : "Spectrum Drive",
    "city" : "West Addison",
    "state" : "TX",
    "zip_code" : "75001",
    "country" : [ "US" ],
    "date_created" : "2026-02-24",
    "date_updated" : "2026-03-09",
    "source" : "https://rdap.arin.net/registry/entity/CHS-408",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "HENDE443-ARIN",
    "name" : "Henderson, Gregory",
    "email" : [ "gdhenderson@concentra.com" ],
    "phone" : [ "+1-866-944-6046" ],
    "source" : "https://rdap.arin.net/registry/entity/HENDE443-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE9546-ARIN",
    "name" : "Abuse Reporting",
    "email" : [ "abuse@concentra.com" ],
    "phone" : [ "+1-866-944-6046" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE9546-ARIN"
  } ]
}