Report for 21947

Name

BCI - Blackfoot Telephone Cooperative, 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 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.

21947 BCI - Blackfoot Telephone Cooperative, Inc., US

  Adjacency:    14  Upstream:     3  Downstream:    11
  Upstream Adjacent AS list
    AS7575          AARNET-AS-AP Australian Academic and Research Network AARNet, AU
    AS2914          NTT-DATA-2914 - NTT America, Inc., US
    AS1299          TWELVE99 Arelion, fka Telia Carrier, SE
  Downstream Adjacent AS list
    AS27391         WASHCORP-AS1 - Washington Corporations, US
    AS397162        SUMOFIBER-IDAHO - Sumofiber, US
    AS22785         GLACIER-BANCORP-INC - GLACIER BANCORP INC, US
    AS33521         MISSOULA-COUNTY-PUBLIC-SCHOOLS - Missoula County Public Schools, US
    AS54410         BDHS-AS - Bozeman Deaconess Health Services, US
    AS46324         ADVANCED-STREAM-01 - Advanced Stream Inc., US
    AS13590         MDMH - Marcus Daly Memorial Hospital Corporation, US
    AS20274         FVCC-AS - Flathead Valley Community College, US
    AS15331         BCI-LAB - Blackfoot Telephone Cooperative, Inc., US
    AS398437        HOT-SPRINGS-TEL-01 - Hot Springs Telephone Company, US
    AS395861        MIA - Medical Imaging Associates of Idaho Falls, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2982  AS21947        ORG+TRN Originate:      71424 /15.88  Transit:       5376 /19.61 BCI - Blackfoot Telephone Cooperative, Inc., 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       %
36395 AS21947       BCI - Blackfoot Telephone Cooperative, Inc.,      14      0      0     14      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  64.25.128.0/20       4608 7575 21947        
  66.109.128.0/19      4608 7575 21947        
  69.51.64.0/18        4608 7575 21947        
  69.165.112.0/20      4608 7575 21947        
  192.150.152.0/21     4608 7575 21947        
  192.225.176.0/20     4608 7575 21947        
  198.60.195.0/24      4608 7575 21947        
  199.195.120.0/21     4608 7575 21947        
  204.11.244.0/22      4608 7575 21947        
  205.167.162.0/23     4608 7575 21947        
  209.137.224.0/19     4608 7575 21947        
  209.200.192.0/19     4608 7575 21947        
  216.14.224.0/19      4608 7575 21947        
  216.47.48.0/20       4608 7575 21947        

Whois Entry

whois: 402332

IANA has recorded AS21947 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21947\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:       21947
             ASName:         BCI
             ASHandle:       AS21947
             RegDate:        2001-07-17
             Updated:        2013-07-22
             Ref:            https://rdap.arin.net/registry/autnum/21947
             
             
             
             OrgName:        Blackfoot Telephone Cooperative, Inc.
             OrgId:          BTC-13
             Address:        1221 N. Russel St.
             City:           Missoula
             StateProv:      MT
             PostalCode:     59808
             Country:        US
             RegDate:        1999-08-11
             Updated:        2024-11-25
             Ref:            https://rdap.arin.net/registry/entity/BTC-13
             
             
             OrgTechHandle: GRAYS80-ARIN
             OrgTechName:   Grayson, Jordan 
             OrgTechPhone:  +1-406-541-5000 
             OrgTechEmail:  jgrayson@blackfoot.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/GRAYS80-ARIN
             
             OrgTechHandle: DOMBR8-ARIN
             OrgTechName:   Dombrosky, Shaun 
             OrgTechPhone:  +1-406-541-5000 
             OrgTechEmail:  sdombrosky@blackfoot.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/DOMBR8-ARIN
             
             OrgNOCHandle: FEENS-ARIN
             OrgNOCName:   Feenstra, Rob 
             OrgNOCPhone:  +1-406-880-5495 
             OrgNOCEmail:  rfeenstra@blackfoot.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/FEENS-ARIN
             
             OrgTechHandle: FEENS-ARIN
             OrgTechName:   Feenstra, Rob 
             OrgTechPhone:  +1-406-880-5495 
             OrgTechEmail:  rfeenstra@blackfoot.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/FEENS-ARIN
             
             OrgTechHandle: FLYNN168-ARIN
             OrgTechName:   Flynn, Shannon 
             OrgTechPhone:  +1-406-541-5373 
             OrgTechEmail:  sflynn@blackfoot.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/FLYNN168-ARIN
             
             OrgAbuseHandle: NAE2-ARIN
             OrgAbuseName:   Network Abuse Email
             OrgAbusePhone:  +1-406-541-5000 
             OrgAbuseEmail:  abuse@blackfoot.net
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NAE2-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.
             #