Report for 46206

Name

AS-SANFORDHEALTH - Sanford Health, 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.

46206 AS-SANFORDHEALTH - Sanford Health, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS11232         MIDCO-NET - Midcontinent Communications, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
29352 AS46206        ORIGIN  Originate:       1792 /21.19  Transit:          0 /0.00  AS-SANFORDHEALTH - Sanford Health, 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       %
16994 AS46206       AS-SANFORDHEALTH - Sanford Health, US              7      4      2      5      2  28.57%


  Prefix               AS Path                              Aggregation Suggestion
  65.125.46.0/24       4777 2516 3356 46206 46206   
  206.208.216.0/23     4777 2497 3356 46206 + Announce - aggregate of 206.208.216.0/24 (4777 2497 3356 46206) and 206.208.217.0/24 (4777 2497 3356 46206)
  206.208.216.0/24     4777 2497 3356 46206 - Withdrawn - aggregated with 206.208.217.0/24 (4777 2497 3356 46206)
  206.208.217.0/24     4777 2497 3356 46206 - Withdrawn - aggregated with 206.208.216.0/24 (4777 2497 3356 46206)
  206.208.218.0/23     4777 6939 11232 46206 + Announce - aggregate of 206.208.218.0/24 (4777 6939 11232 46206) and 206.208.219.0/24 (4777 6939 11232 46206)
  206.208.218.0/24     4777 6939 11232 46206 - Withdrawn - aggregated with 206.208.219.0/24 (4777 6939 11232 46206)
  206.208.219.0/24     4777 6939 11232 46206 - Withdrawn - aggregated with 206.208.218.0/24 (4777 6939 11232 46206)
  206.208.220.0/24     4777 2497 3356 46206   
  206.208.222.0/24     4777 2497 3356 46206   

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

AS46206   7 More Specifics   7 Total Advertisements   AS-SANFORDHEALTH - Sanford Health, US
    65.125.46.0/24                65.112.0.0/12
    206.208.216.0/24              206.208.216.0/21
    206.208.217.0/24              206.208.216.0/21
    206.208.218.0/24              206.208.216.0/21
    206.208.219.0/24              206.208.216.0/21
    206.208.220.0/24              206.208.216.0/21
    206.208.222.0/24              206.208.216.0/21

Whois Entry

whois: 402332

IANA has recorded AS46206 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS46206\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:       46206
             ASName:         AS-SANFORDHEALTH
             ASHandle:       AS46206
             RegDate:        2008-07-15
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/46206
             
             
             OrgName:        Sanford Health
             OrgId:          SANFO-1
             Address:        1305 West 18th Street
             Address:        PO Box 5039
             City:           Sioux Falls
             StateProv:      SD
             PostalCode:     57117-5039
             Country:        US
             RegDate:        2008-06-23
             Updated:        2026-02-27
             Ref:            https://rdap.arin.net/registry/entity/SANFO-1
             
             
             OrgRoutingHandle: SIT12-ARIN
             OrgRoutingName:    Sanford Infrastructure Team
             OrgRoutingPhone:  +1-701-234-4357 
             OrgRoutingEmail:  eharkin@good-sam.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/SIT12-ARIN
             
             OrgTechHandle: SIT12-ARIN
             OrgTechName:    Sanford Infrastructure Team
             OrgTechPhone:  +1-701-234-4357 
             OrgTechEmail:  eharkin@good-sam.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SIT12-ARIN
             
             OrgAbuseHandle: SIT12-ARIN
             OrgAbuseName:    Sanford Infrastructure Team
             OrgAbusePhone:  +1-701-234-4357 
             OrgAbuseEmail:  eharkin@good-sam.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SIT12-ARIN
             
             OrgNOCHandle: SIT12-ARIN
             OrgNOCName:    Sanford Infrastructure Team
             OrgNOCPhone:  +1-701-234-4357 
             OrgNOCEmail:  eharkin@good-sam.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/SIT12-ARIN
             
             OrgTechHandle: HARKI18-ARIN
             OrgTechName:   Harkin, Eric 
             OrgTechPhone:  +1-605-328-7433 
             OrgTechEmail:  eharkin@good-sam.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/HARKI18-ARIN
             
             OrgDNSHandle: SIT12-ARIN
             OrgDNSName:    Sanford Infrastructure Team
             OrgDNSPhone:  +1-701-234-4357 
             OrgDNSEmail:  eharkin@good-sam.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/SIT12-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.
             #