Report for 54619

Name

GHCSCW - GROUP HEALTH COOPERATIVE OF SOUTH CENTRAL WISCONSIN, 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.

54619 GHCSCW - GROUP HEALTH COOPERATIVE OF SOUTH CENTRAL WISCONSIN, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS54519         US-SIGNAL-WI02 - US Signal Company, L.L.C., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
64651 AS54619        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  GHCSCW - GROUP HEALTH COOPERATIVE OF SOUTH CENTRAL WISCONSIN, 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       %
48601 AS54619       GHCSCW - GROUP HEALTH COOPERATIVE OF SOUTH CE      1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  147.202.206.0/24     4608 7575 4181 54519 54619   

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

AS54619   1 More Specifics   1 Total Advertisements   GHCSCW - GROUP HEALTH COOPERATIVE OF SOUTH CENTRAL WISCONSIN, US
    147.202.206.0/24              147.202.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS54619 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS54619\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:       54619
             ASName:         GHCSCW
             ASHandle:       AS54619
             RegDate:        2012-04-09
             Updated:        2025-09-17
             Ref:            https://rdap.arin.net/registry/autnum/54619
             
             
             OrgName:        GROUP HEALTH COOPERATIVE OF SOUTH CENTRAL WISCONSIN
             OrgId:          GHCSCW
             Address:        Po Box 44971
             City:           Madison
             StateProv:      WI
             PostalCode:     53744-4971
             Country:        US
             RegDate:        2012-03-12
             Updated:        2026-01-13
             Ref:            https://rdap.arin.net/registry/entity/GHCSCW
             
             
             OrgTechHandle: MARCK1-ARIN
             OrgTechName:   Marckel, Chris 
             OrgTechPhone:  +1-608-473-5673 
             OrgTechEmail:  cmarckel@ghcscw.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/MARCK1-ARIN
             
             OrgTechHandle: WALKE84-ARIN
             OrgTechName:   Walker, Jim 
             OrgTechPhone:  +1-608-251-4156 
             OrgTechEmail:  jwalker@ghcscw.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/WALKE84-ARIN
             
             OrgNOCHandle: WALKE84-ARIN
             OrgNOCName:   Walker, Jim 
             OrgNOCPhone:  +1-608-251-4156 
             OrgNOCEmail:  jwalker@ghcscw.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/WALKE84-ARIN
             
             OrgAbuseHandle: WALKE84-ARIN
             OrgAbuseName:   Walker, Jim 
             OrgAbusePhone:  +1-608-251-4156 
             OrgAbuseEmail:  jwalker@ghcscw.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/WALKE84-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.
             #