Report for 22855

Name

CARDINALHEALTH-AS01 - Cardinal Health, 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.

22855 CARDINALHEALTH-AS01 - Cardinal Health, Inc., US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
15727 AS22855        ORIGIN  Originate:       4608 /19.83  Transit:          0 /0.00  CARDINALHEALTH-AS01 - Cardinal Health, 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       %
 7049 AS22855       CARDINALHEALTH-AS01 - Cardinal Health, Inc.,      17     10      4     11      6  35.29%


  Prefix               AS Path                              Aggregation Suggestion
  198.89.160.0/24      4777 2516 3356 22855   
  198.89.166.0/23      4777 2516 3356 22855 + Announce - aggregate of 198.89.166.0/24 (4777 2516 3356 22855) and 198.89.167.0/24 (4777 2516 3356 22855)
  198.89.166.0/24      4777 2516 3356 22855 - Withdrawn - aggregated with 198.89.167.0/24 (4777 2516 3356 22855)
  198.89.167.0/24      4777 2516 3356 22855 - Withdrawn - aggregated with 198.89.166.0/24 (4777 2516 3356 22855)
  198.89.170.0/23      4777 2516 3356 22855   
  199.230.128.0/23     4777 2516 3356 22855 + Announce - aggregate of 199.230.128.0/24 (4777 2516 3356 22855) and 199.230.129.0/24 (4777 2516 3356 22855)
  199.230.128.0/24     4777 2516 3356 22855 - Withdrawn - aggregated with 199.230.129.0/24 (4777 2516 3356 22855)
  199.230.129.0/24     4777 2516 3356 22855 - Withdrawn - aggregated with 199.230.128.0/24 (4777 2516 3356 22855)
  199.230.136.0/24     4777 2516 3356 22855   
  199.230.138.0/23     4777 2516 3356 22855 + Announce - aggregate of 199.230.138.0/24 (4777 2516 3356 22855) and 199.230.139.0/24 (4777 2516 3356 22855)
  199.230.138.0/24     4777 2516 3356 22855 - Withdrawn - aggregated with 199.230.139.0/24 (4777 2516 3356 22855)
  199.230.139.0/24     4777 2516 3356 22855 - Withdrawn - aggregated with 199.230.138.0/24 (4777 2516 3356 22855)
  199.230.150.0/24     4777 2516 3356 22855   
  199.230.164.0/24     4777 2516 3356 22855   
  199.230.231.0/24     4777 2516 3356 22855   
  199.230.249.0/24     4777 2516 3356 22855   
  199.230.252.0/22     4777 2516 3356 22855 + Announce - aggregate of 199.230.252.0/23 (4777 2516 3356 22855) and 199.230.254.0/23 (4777 2516 3356 22855)
  199.230.252.0/24     4777 2516 3356 22855 - Withdrawn - aggregated with 199.230.253.0/24 (4777 2516 3356 22855)
  199.230.253.0/24     4777 2516 3356 22855 - Withdrawn - aggregated with 199.230.252.0/24 (4777 2516 3356 22855)
  199.230.254.0/24     4777 2516 3356 22855 - Withdrawn - aggregated with 199.230.255.0/24 (4777 2516 3356 22855)
  199.230.255.0/24     4777 2516 3356 22855 - Withdrawn - aggregated with 199.230.254.0/24 (4777 2516 3356 22855)

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

AS22855   17 More Specifics   17 Total Advertisements   CARDINALHEALTH-AS01 - Cardinal Health, Inc., US
    198.89.160.0/24               198.89.160.0/20
    198.89.166.0/24               198.89.160.0/20
    198.89.167.0/24               198.89.160.0/20
    198.89.170.0/23               198.89.160.0/20
    199.230.128.0/24              199.230.128.0/17
    199.230.129.0/24              199.230.128.0/17
    199.230.136.0/24              199.230.128.0/17
    199.230.138.0/24              199.230.128.0/17
    199.230.139.0/24              199.230.128.0/17
    199.230.150.0/24              199.230.128.0/17
    199.230.164.0/24              199.230.128.0/17
    199.230.231.0/24              199.230.128.0/17
    199.230.249.0/24              199.230.128.0/17
    199.230.252.0/24              199.230.128.0/17
    199.230.253.0/24              199.230.128.0/17
    199.230.254.0/24              199.230.128.0/17
    199.230.255.0/24              199.230.128.0/17

Whois Entry

whois: 402332

IANA has recorded AS22855 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS22855\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:       22855
             ASName:         CARDINALHEALTH-AS01
             ASHandle:       AS22855
             RegDate:        2001-12-05
             Updated:        2025-07-11
             Ref:            https://rdap.arin.net/registry/autnum/22855
             
             
             OrgName:        Cardinal Health, Inc.
             OrgId:          CARDIN-25
             Address:        7000 Cardinal Place
             City:           Dublin
             StateProv:      OH
             PostalCode:     43017
             Country:        US
             RegDate:        2001-12-05
             Updated:        2016-05-06
             Ref:            https://rdap.arin.net/registry/entity/CARDIN-25
             
             
             OrgAbuseHandle: CHIA1-ARIN
             OrgAbuseName:   Cardinal Health IP Admin
             OrgAbusePhone:  +1-614-757-8024 
             OrgAbuseEmail:  gmb-ip-admin@cardinalhealth.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CHIA1-ARIN
             
             OrgTechHandle: CHIA1-ARIN
             OrgTechName:   Cardinal Health IP Admin
             OrgTechPhone:  +1-614-757-8024 
             OrgTechEmail:  gmb-ip-admin@cardinalhealth.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/CHIA1-ARIN
             
             OrgNOCHandle: CHIA1-ARIN
             OrgNOCName:   Cardinal Health IP Admin
             OrgNOCPhone:  +1-614-757-8024 
             OrgNOCEmail:  gmb-ip-admin@cardinalhealth.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/CHIA1-ARIN
             
             RTechHandle: TS1355-ARIN
             RTechName:   Swinehart, Todd 
             RTechPhone:  +1-614-757-8024 
             RTechEmail:  GMB-IP-ADMIN@cardinalhealth.com
             RTechRef:    https://rdap.arin.net/registry/entity/TS1355-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.
             #