Report for 11924

Name

MONTANA-OPTICOM - Montana Opticom, LLC, 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.

11924 MONTANA-OPTICOM, US

  Adjacency:    10  Upstream:     7  Downstream:     3
  Upstream Adjacent AS list
    AS293           ESNET, US
    AS3130          RGNET-SEA RGnet Seattle Westin, EE
    AS3257          GTT-BACKBONE GTT, US
    AS6461          ZAYO-6461, US
    AS21858         ASCENT-DATA-LLC, US
    AS6939          HURRICANE, US
    AS3356          LEVEL3, US
  Downstream Adjacent AS list
    AS21858         ASCENT-DATA-LLC, US
    AS40097         PRINTINGFORLESS, US
    AS22485         MONTANA-OPTICOM-AS22485, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
6129  AS11924        ORG+TRN Originate:      24832 /17.40  Transit:        512 /23.00 MONTANA-OPTICOM, 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       %
 2443 AS11924       MONTANA-OPTICOM, US                               42     26      3     19     23  54.76%


  Prefix               AS Path                              Aggregation Suggestion
  63.166.28.0/22       3257 11924             
  63.166.28.0/24       3257 11924           - Withdrawn - matching aggregate 63.166.28.0/22 3257 11924
  63.166.29.0/24       3257 11924           - Withdrawn - matching aggregate 63.166.28.0/22 3257 11924
  63.166.30.0/23       293 11924            + Announce - aggregate of 63.166.30.0/24 (293 11924) and 63.166.31.0/24 (293 11924)
  63.166.30.0/24       293 11924            - Withdrawn - aggregated with 63.166.31.0/24 (293 11924)
  63.166.31.0/24       293 11924            - Withdrawn - aggregated with 63.166.30.0/24 (293 11924)
  64.79.32.0/20        3257 11924             
  64.79.35.0/24        293 11924              
  64.79.37.0/24        3257 11924           - Withdrawn - matching aggregate 64.79.32.0/20 3257 11924
  64.79.43.0/24        3257 11924           - Withdrawn - matching aggregate 64.79.32.0/20 3257 11924
  64.79.45.0/24        3257 11924           - Withdrawn - matching aggregate 64.79.32.0/20 3257 11924
  64.79.46.0/23        293 11924              
  64.79.46.0/24        3257 11924             
  69.163.80.0/20       3257 11924             
  69.163.80.0/24       3257 11924           - Withdrawn - matching aggregate 69.163.80.0/20 3257 11924
  69.163.81.0/24       3257 11924           - Withdrawn - matching aggregate 69.163.80.0/20 3257 11924
  69.163.82.0/24       3257 11924           - Withdrawn - matching aggregate 69.163.80.0/20 3257 11924
  69.163.84.0/23       293 11924            + Announce - aggregate of 69.163.84.0/24 (293 11924) and 69.163.85.0/24 (293 11924)
  69.163.84.0/24       293 11924            - Withdrawn - aggregated with 69.163.85.0/24 (293 11924)
  69.163.85.0/24       293 11924            - Withdrawn - aggregated with 69.163.84.0/24 (293 11924)
  69.163.86.0/23       3257 11924           - Withdrawn - matching aggregate 69.163.80.0/20 3257 11924
  69.163.88.0/24       293 11924              
  69.163.90.0/24       3257 11924           - Withdrawn - matching aggregate 69.163.80.0/20 3257 11924
  69.163.91.0/24       3257 11924           - Withdrawn - matching aggregate 69.163.80.0/20 3257 11924
  69.163.93.0/24       3257 11924           - Withdrawn - matching aggregate 69.163.80.0/20 3257 11924
  69.163.94.0/24       293 11924              
  69.163.95.0/24       3257 11924           - Withdrawn - matching aggregate 69.163.80.0/20 3257 11924
  199.2.135.0/24       3257 11924             
  204.250.80.0/21      3257 11924             
  204.250.82.0/24      3257 11924           - Withdrawn - matching aggregate 204.250.80.0/21 3257 11924
  204.250.83.0/24      293 11924              
  204.250.84.0/23      3257 11924           - Withdrawn - matching aggregate 204.250.80.0/21 3257 11924
  204.250.86.0/23      3257 11924           - Withdrawn - matching aggregate 204.250.80.0/21 3257 11924
  205.243.72.0/23      3257 11924             
  206.228.140.0/22     3257 11924             
  208.14.180.0/24      3257 11924             
  208.75.140.0/22      3257 11924           + Announce - aggregate of 208.75.140.0/23 (3257 11924) and 208.75.142.0/23 (3257 11924)
  208.75.140.0/24      3257 11924           - Withdrawn - aggregated with 208.75.141.0/24 (3257 11924)
  208.75.141.0/24      3257 11924           - Withdrawn - aggregated with 208.75.140.0/24 (3257 11924)
  208.75.142.0/24      3257 11924           - Withdrawn - aggregated with 208.75.143.0/24 (3257 11924)
  208.75.143.0/24      3257 11924           - Withdrawn - aggregated with 208.75.142.0/24 (3257 11924)
  208.83.40.0/21       3257 11924             
  208.83.40.0/24       3257 11924           - Withdrawn - matching aggregate 208.83.40.0/21 3257 11924
  208.83.41.0/24       3257 11924           - Withdrawn - matching aggregate 208.83.40.0/21 3257 11924
  208.83.47.0/24       293 11924              

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

AS11924   40 More Specifics   43 Total Advertisements   MONTANA-OPTICOM, US
    12.160.248.0/24               12.0.0.0/8
    63.166.28.0/22                63.160.0.0/12
    63.166.28.0/24                63.160.0.0/12
    63.166.29.0/24                63.160.0.0/12
    63.166.30.0/24                63.160.0.0/12
    63.166.31.0/24                63.160.0.0/12
    64.79.35.0/24                 64.79.32.0/20
    64.79.37.0/24                 64.79.32.0/20
    64.79.43.0/24                 64.79.32.0/20
    64.79.45.0/24                 64.79.32.0/20
    64.79.47.0/24                 64.79.32.0/20
    69.163.80.0/24                69.163.80.0/20
    69.163.81.0/24                69.163.80.0/20
    69.163.82.0/24                69.163.80.0/20
    69.163.84.0/24                69.163.80.0/20
    69.163.85.0/24                69.163.80.0/20
    69.163.86.0/24                69.163.80.0/20
    69.163.88.0/24                69.163.80.0/20
    69.163.90.0/24                69.163.80.0/20
    69.163.91.0/24                69.163.80.0/20
    69.163.92.0/24                69.163.80.0/20
    69.163.93.0/24                69.163.80.0/20
    69.163.94.0/24                69.163.80.0/20
    69.163.95.0/24                69.163.80.0/20
    199.2.135.0/24                199.0.0.0/14
    204.250.80.0/21               204.248.0.0/14
    204.250.82.0/24               204.248.0.0/14
    205.243.72.0/23               205.240.0.0/13
    206.228.140.0/22              206.228.0.0/14
    208.14.180.0/24               208.0.0.0/11
    208.75.140.0/24               208.75.140.0/22
    208.75.141.0/24               208.75.140.0/22
    208.75.142.0/24               208.75.140.0/22
    208.75.143.0/24               208.75.140.0/22
    208.83.40.0/24                208.83.40.0/21
    208.83.41.0/24                208.83.40.0/21
    208.83.43.0/24                208.83.40.0/21
    208.83.44.0/24                208.83.40.0/21
    208.83.45.0/24                208.83.40.0/21
    208.83.47.0/24                208.83.40.0/21

Whois Entry

whois: 402551

IANA has recorded AS11924 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS11924\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:       11924
             ASName:         MONTANA-OPTICOM
             ASHandle:       AS11924
             RegDate:        2007-03-06
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/11924
             
             
             OrgName:        Montana Opticom, LLC
             OrgId:          MONTA-16
             Address:        144 Quail Run Road
             City:           Bozeman
             StateProv:      MT
             PostalCode:     59718
             Country:        US
             RegDate:        2007-02-22
             Updated:        2017-01-28
             Ref:            https://rdap.arin.net/registry/entity/MONTA-16
             
             
             OrgAbuseHandle: MTOPT2-ARIN
             OrgAbuseName:   MT-Opticom Abuse
             OrgAbusePhone:  +1-406-999-5000 
             OrgAbuseEmail:  support@mt-opticom.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MTOPT2-ARIN
             
             OrgNOCHandle: MTOPT1-ARIN
             OrgNOCName:   MT-Opticom Support
             OrgNOCPhone:  +1-406-999-5000 
             OrgNOCEmail:  support@mt-opticom.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/MTOPT1-ARIN
             
             OrgTechHandle: MTOPT1-ARIN
             OrgTechName:   MT-Opticom Support
             OrgTechPhone:  +1-406-999-5000 
             OrgTechEmail:  support@mt-opticom.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/MTOPT1-ARIN
             
             RTechHandle: MTOPT-ARIN
             RTechName:   MT-Opticom
             RTechPhone:  +1-406-999-5000 
             RTechEmail:  jrdolan@mt-opticom.com
             RTechRef:    https://rdap.arin.net/registry/entity/MTOPT-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.
             #