Report for 12047

Name

GUNDERSEN-LUTHERAN - Gundersen Lutheran Medical Center, 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 AS4637) 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.

12047 GUNDERSEN-LUTHERAN - Gundersen Lutheran Medical Center, Inc.

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS5668    AS-5668 - CenturyTel Internet Holdings, Inc.

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13920 AS12047  ORIGIN  Originate:       1280 /21.68  Transit:          0 /0.00  GUNDERSEN-LUTHERAN - Gundersen Lutheran Medical Center, Inc.

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       %
 3713 AS12047 GUNDERSEN-LUTHERAN - Gundersen Lutheran       5      4      2      3      2  40.00%


  Prefix               AS Path                              Aggregation Suggestion
  204.69.145.0/24      4637 3356 5668 12047   
  204.69.146.0/23      4637 3356 5668 12047 + Announce - aggregate of 204.69.146.0/24 (4637 3356 5668 12047) and 204.69.147.0/24 (4637 3356 5668 12047)
  204.69.146.0/24      4637 3356 5668 12047 - Withdrawn - aggregated with 204.69.147.0/24 (4637 3356 5668 12047)
  204.69.147.0/24      4637 3356 5668 12047 - Withdrawn - aggregated with 204.69.146.0/24 (4637 3356 5668 12047)
  204.69.148.0/23      4637 3356 5668 12047 + Announce - aggregate of 204.69.148.0/24 (4637 3356 5668 12047) and 204.69.149.0/24 (4637 3356 5668 12047)
  204.69.148.0/24      4637 3356 5668 12047 - Withdrawn - aggregated with 204.69.149.0/24 (4637 3356 5668 12047)
  204.69.149.0/24      4637 3356 5668 12047 - Withdrawn - aggregated with 204.69.148.0/24 (4637 3356 5668 12047)

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

AS12047   4 More Specifics   5 Total Advertisements   GUNDERSEN-LUTHERAN - Gundersen Lutheran Medical Center, Inc.
    204.69.146.0/24               204.69.146.0/23
    204.69.147.0/24               204.69.146.0/23
    204.69.148.0/24               204.69.148.0/23
    204.69.149.0/24               204.69.148.0/23

Whois Entry

whois: 402603

IANA has recorded AS12047 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS12047\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:       12047
             ASName:         GUNDERSEN-LUTHERAN
             ASHandle:       AS12047
             RegDate:        2007-01-03
             Updated:        2014-04-04
             Ref:            https://rdap.arin.net/registry/autnum/12047
             
             
             OrgName:        Gundersen Lutheran Medical Center, Inc.
             OrgId:          GLMC-4
             Address:        1910 South Ave.
             City:           LaCrosse
             StateProv:      WI
             PostalCode:     54601
             Country:        US
             RegDate:        2006-12-29
             Updated:        2023-03-01
             Ref:            https://rdap.arin.net/registry/entity/GLMC-4
             
             
             OrgAbuseHandle: PATTE528-ARIN
             OrgAbuseName:   Patterson, Troy 
             OrgAbusePhone:  +1-608-775-3917 
             OrgAbuseEmail:  trpatter@gundersenhealth.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/PATTE528-ARIN
             
             OrgTechHandle: SCW4-ARIN
             OrgTechName:   Wied, Scott C
             OrgTechPhone:  +1-608-775-4456 
             OrgTechEmail:  scwied@gundersenhealth.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/SCW4-ARIN
             
             OrgAbuseHandle: SCW4-ARIN
             OrgAbuseName:   Wied, Scott C
             OrgAbusePhone:  +1-608-775-4456 
             OrgAbuseEmail:  scwied@gundersenhealth.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SCW4-ARIN
             
             OrgTechHandle: PATTE528-ARIN
             OrgTechName:   Patterson, Troy 
             OrgTechPhone:  +1-608-775-3917 
             OrgTechEmail:  trpatter@gundersenhealth.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/PATTE528-ARIN
             
             RTechHandle: SCW4-ARIN
             RTechName:   Wied, Scott C
             RTechPhone:  +1-608-775-4456 
             RTechEmail:  scwied@gundersenhealth.org
             RTechRef:    https://rdap.arin.net/registry/entity/SCW4-ARIN
             
             RAbuseHandle: SCW4-ARIN
             RAbuseName:   Wied, Scott C
             RAbusePhone:  +1-608-775-4456 
             RAbuseEmail:  scwied@gundersenhealth.org
             RAbuseRef:    https://rdap.arin.net/registry/entity/SCW4-ARIN
             
             RNOCHandle: SCW4-ARIN
             RNOCName:   Wied, Scott C
             RNOCPhone:  +1-608-775-4456 
             RNOCEmail:  scwied@gundersenhealth.org
             RNOCRef:    https://rdap.arin.net/registry/entity/SCW4-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.
             #