Report for 59

Name

WISC-MADISON-AS - University of Wisconsin Madison, 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.

59 WISC-MADISON-AS - University of Wisconsin Madison, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3128          BRUWS-AS3128 - University of Wisconsin System, US
    AS11537         INTERNET2-RESEARCH-EDU - Internet2, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
888   AS59           ORIGIN  Originate:     331520 /13.66  Transit:          0 /0.00  WISC-MADISON-AS - University of Wisconsin Madison, 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       %
12040 AS59          WISC-MADISON-AS - University of Wisconsin Mad     16      6      3     13      3  18.75%


  Prefix               AS Path                              Aggregation Suggestion
  72.33.0.0/16         4777 2500 7660 11537 59   
  128.104.0.0/15       4777 2500 7660 11537 59 + Announce - aggregate of 128.104.0.0/16 (4777 2500 7660 11537 59) and 128.105.0.0/16 (4777 2500 7660 11537 59)
  128.104.0.0/16       4777 2500 7660 11537 59 - Withdrawn - aggregated with 128.105.0.0/16 (4777 2500 7660 11537 59)
  128.105.0.0/16       4777 2500 7660 11537 59 - Withdrawn - aggregated with 128.104.0.0/16 (4777 2500 7660 11537 59)
  128.105.68.0/23      4608 7575 11537 59     
  144.92.0.0/16        4777 2500 7660 11537 59   
  146.151.0.0/16       4777 2500 7660 11537 59   
  192.12.220.0/24      4777 2497 11164 3128 59   
  192.12.223.0/24      4777 2497 11164 3128 59   
  192.12.224.0/24      4777 2497 11164 3128 59   
  192.86.79.0/24       4777 2497 11164 3128 59   
  198.51.246.0/23      4777 2497 11164 3128 59 + Announce - aggregate of 198.51.246.0/24 (4777 2497 11164 3128 59) and 198.51.247.0/24 (4777 2497 11164 3128 59)
  198.51.246.0/24      4777 2497 11164 3128 59 - Withdrawn - aggregated with 198.51.247.0/24 (4777 2497 11164 3128 59)
  198.51.247.0/24      4777 2497 11164 3128 59 - Withdrawn - aggregated with 198.51.246.0/24 (4777 2497 11164 3128 59)
  198.51.254.0/24      4777 2500 7660 11537 59   
  198.133.224.0/23     4777 2500 7660 11537 59 + Announce - aggregate of 198.133.224.0/24 (4777 2500 7660 11537 59) and 198.133.225.0/24 (4777 2500 7660 11537 59)
  198.133.224.0/24     4777 2500 7660 11537 59 - Withdrawn - aggregated with 198.133.225.0/24 (4777 2500 7660 11537 59)
  198.133.225.0/24     4777 2500 7660 11537 59 - Withdrawn - aggregated with 198.133.224.0/24 (4777 2500 7660 11537 59)
  205.213.248.0/22     4777 2497 1299 3128 3128 3128 3128 59   

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

AS59   2 More Specifics   16 Total Advertisements   WISC-MADISON-AS - University of Wisconsin Madison, US
    128.105.68.0/23               128.105.0.0/16
    205.213.248.0/22              205.213.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS59 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS59\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:       59
             ASName:         WISC-MADISON-AS
             ASHandle:       AS59
             RegDate:        1986-01-21
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/59
             
             
             OrgName:        University of Wisconsin Madison
             OrgId:          UWM-3
             Address:        1210 W Dayton
             Address:        B332
             City:           Madison
             StateProv:      WI
             PostalCode:     53706
             Country:        US
             RegDate:        2004-10-05
             Updated:        2022-09-26
             Ref:            https://rdap.arin.net/registry/entity/UWM-3
             
             
             OrgAbuseHandle: UWMAP-ARIN
             OrgAbuseName:   University of Wisconsin Madison Abuse POC
             OrgAbusePhone:  +1-608-264-4357 
             OrgAbuseEmail:  abuse@wisc.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/UWMAP-ARIN
             
             OrgTechHandle: NOC212-ARIN
             OrgTechName:   Network Operations Center
             OrgTechPhone:  +1-608-263-4188 
             OrgTechEmail:  noc@doit.wisc.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/NOC212-ARIN
             
             OrgDNSHandle: UWMHP-ARIN
             OrgDNSName:   University of Wisconsin Madison Hostmaster POC
             OrgDNSPhone:  +1-608-263-4188 
             OrgDNSEmail:  hostmaster@doit.wisc.edu
             OrgDNSRef:    https://rdap.arin.net/registry/entity/UWMHP-ARIN
             
             OrgNOCHandle: NOC212-ARIN
             OrgNOCName:   Network Operations Center
             OrgNOCPhone:  +1-608-263-4188 
             OrgNOCEmail:  noc@doit.wisc.edu
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC212-ARIN
             
             OrgRoutingHandle: NOC212-ARIN
             OrgRoutingName:   Network Operations Center
             OrgRoutingPhone:  +1-608-263-4188 
             OrgRoutingEmail:  noc@doit.wisc.edu
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/NOC212-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.
             #