Report for 395251

Name

BHS-MT - Benefis Health System, 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.

395251 BHS-MT - Benefis Health System, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS33588         BRESNAN-33588 - Charter Communications LLC, US
    AS19605         3RC - 3 Rivers Telephone Cooperative, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
19501 AS395251       ORIGIN  Originate:       3328 /20.30  Transit:          0 /0.00  BHS-MT - Benefis Health System, 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       %
11903 AS395251      BHS-MT - Benefis Health System, US                 7      4      0      3      4  57.14%


  Prefix               AS Path                              Aggregation Suggestion
  65.19.224.0/22       4608 6939 8057 19605 395251   
  65.19.237.0/24       4777 2516 20115 33588 395251 395251   
  208.66.104.0/22      4777 2516 20115 33588 395251 395251   
  208.66.104.0/24      4777 2516 20115 33588 395251 395251 - Withdrawn - matching aggregate 208.66.104.0/22 4777 2516 20115 33588 395251 395251
  208.66.105.0/24      4777 2516 20115 33588 395251 395251 - Withdrawn - matching aggregate 208.66.104.0/22 4777 2516 20115 33588 395251 395251
  208.66.106.0/24      4777 2516 20115 33588 395251 395251 - Withdrawn - matching aggregate 208.66.104.0/22 4777 2516 20115 33588 395251 395251
  208.66.107.0/24      4777 2516 20115 33588 395251 395251 - Withdrawn - matching aggregate 208.66.104.0/22 4777 2516 20115 33588 395251 395251

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

AS395251   6 More Specifics   7 Total Advertisements   BHS-MT - Benefis Health System, US
    65.19.224.0/22                65.19.224.0/19
    65.19.237.0/24                65.19.224.0/19
    208.66.104.0/24               208.66.104.0/22
    208.66.105.0/24               208.66.104.0/22
    208.66.106.0/24               208.66.104.0/22
    208.66.107.0/24               208.66.104.0/22

Whois Entry

whois: 402603

IANA has recorded AS395251 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS395251\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:       395251
             ASName:         BHS-MT
             ASHandle:       AS395251
             RegDate:        2016-06-07
             Updated:        2016-06-07
             Ref:            https://rdap.arin.net/registry/autnum/395251
             
             
             OrgName:        Benefis Health System
             OrgId:          BHS-101
             Address:        1101 26th Street South
             City:           Great Falls
             StateProv:      MT
             PostalCode:     59401
             Country:        US
             RegDate:        2016-04-08
             Updated:        2016-09-01
             Ref:            https://rdap.arin.net/registry/entity/BHS-101
             
             
             OrgTechHandle: ISNET2-ARIN
             OrgTechName:   IS Netadmin
             OrgTechPhone:  +1-406-455-5000 
             OrgTechEmail:  netadmin@benefis.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/ISNET2-ARIN
             
             OrgAbuseHandle: ISNET2-ARIN
             OrgAbuseName:   IS Netadmin
             OrgAbusePhone:  +1-406-455-5000 
             OrgAbuseEmail:  netadmin@benefis.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ISNET2-ARIN
             
             OrgNOCHandle: ISNET2-ARIN
             OrgNOCName:   IS Netadmin
             OrgNOCPhone:  +1-406-455-5000 
             OrgNOCEmail:  netadmin@benefis.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/ISNET2-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.
             #