Report for 11961

Name

MIDRIVERS - Mid-Rivers Telephone Cooperative, 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 AS6447) 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.

11961 MIDRIVERS, US

  Adjacency:     5  Upstream:     5  Downstream:     0
  Upstream Adjacent AS list
    AS3130          RGNET-SEA RGnet Seattle Westin, EE
    AS6939          HURRICANE, US
    AS1299          TWELVE99 Arelion, fka Telia Carrier, SE
    AS174           COGENT-174, US
    AS2914          NTT-LTD-2914, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
5650  AS11961        ORIGIN  Originate:      29184 /17.17  Transit:          0 /0.00  MIDRIVERS, 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       %
20854 AS11961       MIDRIVERS, US                                      7      1      0      6      1  14.29%


  Prefix               AS Path                              Aggregation Suggestion
  64.89.208.0/20       2914 11961             
  72.250.128.0/19      2914 11961             
  72.250.152.0/24      2914 11961           - Withdrawn - matching aggregate 72.250.128.0/19 2914 11961
  72.250.153.0/24      3257 174 11961         
  108.59.112.0/20      2914 11961             
  144.86.208.0/20      2914 11961             
  216.228.32.0/19      2914 11961             

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

AS11961   2 More Specifics   6 Total Advertisements   MIDRIVERS, US
    72.250.152.0/24               72.250.128.0/19
    72.250.153.0/24               72.250.128.0/19

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 144.86.208.0/20             Withdrawn

Whois Entry

whois: 402603

IANA has recorded AS11961 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS11961\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:       11961
             ASName:         MIDRIVERS
             ASHandle:       AS11961
             RegDate:        1999-02-16
             Updated:        2024-10-22
             Ref:            https://rdap.arin.net/registry/autnum/11961
             
             
             OrgName:        Mid-Rivers Telephone Cooperative
             OrgId:          MTC-65
             Address:        904 C Ave
             City:           Circle
             StateProv:      MT
             PostalCode:     59215
             Country:        US
             RegDate:        1999-02-16
             Updated:        2024-07-03
             Ref:            https://rdap.arin.net/registry/entity/MTC-65
             
             
             OrgAbuseHandle: MIA30-ARIN
             OrgAbuseName:   Mid-Rivers Internet Abuse
             OrgAbusePhone:  +1-800-452-2288 
             OrgAbuseEmail:  abuse@midrivers.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MIA30-ARIN
             
             OrgTechHandle: MNE112-ARIN
             OrgTechName:   MRTC Network Engineers
             OrgTechPhone:  +1-800-452-2288 
             OrgTechEmail:  nse@midrivers.coop
             OrgTechRef:    https://rdap.arin.net/registry/entity/MNE112-ARIN
             
             RTechHandle: MNE112-ARIN
             RTechName:   MRTC Network Engineers
             RTechPhone:  +1-800-452-2288 
             RTechEmail:  nse@midrivers.coop
             RTechRef:    https://rdap.arin.net/registry/entity/MNE112-ARIN
             
             RAbuseHandle: MIA30-ARIN
             RAbuseName:   Mid-Rivers Internet Abuse
             RAbusePhone:  +1-800-452-2288 
             RAbuseEmail:  abuse@midrivers.com
             RAbuseRef:    https://rdap.arin.net/registry/entity/MIA30-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.
             #