Report for 27237

Name

AHSNET-01 - Ardent Health Services, Inc., US

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

27237 AHSNET-01 - Ardent Health Services, Inc., US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS15164         UPNLLC - Unite Private Networks LLC., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
30202 AS27237        ORIGIN  Originate:       1536 /21.42  Transit:          0 /0.00  AHSNET-01 - Ardent Health Services, Inc., US

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
37776 AS27237       AHSNET-01 - Ardent Health Services, Inc., US       6      0      0      6      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  199.248.10.0/24      4777 2516 3356 27237   
  204.10.214.0/24      4608 7575 1299 15164 27237   
  204.10.215.0/24      4777 2516 3356 27237   
  206.224.96.0/24      4777 2516 3356 27237   
  206.224.97.0/24      4608 6939 15164 27237   
  206.224.98.0/24      4777 2497 7018 27237   

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS27237   6 More Specifics   6 Total Advertisements   AHSNET-01 - Ardent Health Services, Inc., US
    199.248.10.0/24               199.248.8.0/21
    204.10.214.0/24               204.10.208.0/21
    204.10.215.0/24               204.10.208.0/21
    206.224.96.0/24               206.224.96.0/19
    206.224.97.0/24               206.224.96.0/19
    206.224.98.0/24               206.224.96.0/19

Whois Entry

whois: 402617

IANA has recorded AS27237 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27237\n             
             #
             # 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:       27237
             ASName:         AHSNET-01
             ASHandle:       AS27237
             RegDate:        2003-01-29
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/27237
             
             
             OrgName:        Ardent Health Services, Inc.
             OrgId:          AHS-90
             Address:        1 Burton Hills Blvd.
             Address:        Suite 250
             City:           Nashville
             StateProv:      TN
             PostalCode:     37215
             Country:        US
             RegDate:        2002-12-24
             Updated:        2015-01-26
             Ref:            https://rdap.arin.net/registry/entity/AHS-90
             
             
             OrgAbuseHandle: NOC31857-ARIN
             OrgAbuseName:   Network Operations Center
             OrgAbusePhone:  +1-615-296-3000 
             OrgAbuseEmail:  networkgroup@ardenthealth.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC31857-ARIN
             
             OrgNOCHandle: NOC31857-ARIN
             OrgNOCName:   Network Operations Center
             OrgNOCPhone:  +1-615-296-3000 
             OrgNOCEmail:  networkgroup@ardenthealth.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC31857-ARIN
             
             OrgTechHandle: NOC31857-ARIN
             OrgTechName:   Network Operations Center
             OrgTechPhone:  +1-615-296-3000 
             OrgTechEmail:  networkgroup@ardenthealth.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/NOC31857-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.
             #