Report for 18897

Name

MONTANA-SKY-NETWORKS-INC - Montana Sky Networks, 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 AS4637) 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.

18897 MONTANA-SKY-NETWORKS-INC - Montana Sky Networks, Inc.

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS7018    ATT-INTERNET4 - AT&T WorldNet Services
    AS5668    AS-5668 - CenturyTel Internet Holdings, Inc.

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
5388  AS18897  ORIGIN  Originate:      14592 /18.17  Transit:          0 /0.00  MONTANA-SKY-NETWORKS-INC - Montana Sky Networks, Inc.

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       %
 1564 AS18897 MONTANA-SKY-NETWORKS-INC - Montana Sky N     30     14      6     22      8  26.67%


  Prefix               AS Path                              Aggregation Suggestion
  66.135.64.0/22       4637 3491 3561 7018 18897   
  66.135.72.0/23       4637 3491 3561 7018 18897 + Announce - aggregate of 66.135.72.0/24 (4637 3491 3561 7018 18897) and 66.135.73.0/24 (4637 3491 3561 7018 18897)
  66.135.72.0/24       4637 3491 3561 7018 18897 - Withdrawn - aggregated with 66.135.73.0/24 (4637 3491 3561 7018 18897)
  66.135.73.0/24       4637 3491 3561 7018 18897 - Withdrawn - aggregated with 66.135.72.0/24 (4637 3491 3561 7018 18897)
  66.135.74.0/24       4637 3491 3561 7018 18897   
  66.135.77.0/24       4637 3491 3561 7018 18897   
  66.135.78.0/23       4637 3491 3561 7018 5668 18897 + Announce - aggregate of 66.135.78.0/24 (4637 3491 3561 7018 5668 18897) and 66.135.79.0/24 (4637 3491 3561 7018 5668 18897)
  66.135.78.0/24       4637 3491 3561 7018 5668 18897 - Withdrawn - aggregated with 66.135.79.0/24 (4637 3491 3561 7018 5668 18897)
  66.135.79.0/24       4637 3491 3561 7018 5668 18897 - Withdrawn - aggregated with 66.135.78.0/24 (4637 3491 3561 7018 5668 18897)
  66.135.80.0/22       4637 3491 3561 7018 5668 18897   
  66.135.84.0/22       4637 3491 3561 7018 18897   
  66.135.88.0/21       4637 3491 3561 7018 18897   
  208.123.192.0/24     4637 3491 3561 7018 18897   
  208.123.194.0/23     4637 3491 3561 7018 18897   
  208.123.196.0/22     4637 3491 3561 7018 18897   
  208.123.200.0/21     4637 3491 3561 7018 18897   
  216.211.176.0/23     4637 3491 3561 7018 18897 + Announce - aggregate of 216.211.176.0/24 (4637 3491 3561 7018 18897) and 216.211.177.0/24 (4637 3491 3561 7018 18897)
  216.211.176.0/24     4637 3491 3561 7018 18897 - Withdrawn - aggregated with 216.211.177.0/24 (4637 3491 3561 7018 18897)
  216.211.177.0/24     4637 3491 3561 7018 18897 - Withdrawn - aggregated with 216.211.176.0/24 (4637 3491 3561 7018 18897)
  216.211.178.0/23     4637 3491 3561 7018 5668 18897 + Announce - aggregate of 216.211.178.0/24 (4637 3491 3561 7018 5668 18897) and 216.211.179.0/24 (4637 3491 3561 7018 5668 18897)
  216.211.178.0/24     4637 3491 3561 7018 5668 18897 - Withdrawn - aggregated with 216.211.179.0/24 (4637 3491 3561 7018 5668 18897)
  216.211.179.0/24     4637 3491 3561 7018 5668 18897 - Withdrawn - aggregated with 216.211.178.0/24 (4637 3491 3561 7018 5668 18897)
  216.211.180.0/22     4637 3491 3561 7018 5668 18897 + Announce - aggregate of 216.211.180.0/23 (4637 3491 3561 7018 5668 18897) and 216.211.182.0/23 (4637 3491 3561 7018 5668 18897)
  216.211.180.0/24     4637 3491 3561 7018 5668 18897 - Withdrawn - aggregated with 216.211.181.0/24 (4637 3491 3561 7018 5668 18897)
  216.211.181.0/24     4637 3491 3561 7018 5668 18897 - Withdrawn - aggregated with 216.211.180.0/24 (4637 3491 3561 7018 5668 18897)
  216.211.182.0/24     4637 3491 3561 7018 5668 18897 - Withdrawn - aggregated with 216.211.183.0/24 (4637 3491 3561 7018 5668 18897)
  216.211.183.0/24     4637 3491 3561 7018 5668 18897 - Withdrawn - aggregated with 216.211.182.0/24 (4637 3491 3561 7018 5668 18897)
  216.211.184.0/24     4637 3491 3561 7018 5668 18897   
  216.211.185.0/24     4637 3491 3561 7018 18897   
  216.211.186.0/24     4637 3491 3561 7018 18897   
  216.211.187.0/24     4637 3491 3561 7018 5668 18897   
  216.211.188.0/24     4637 3491 3561 7018 18897   
  216.211.189.0/24     4637 3491 3561 7018 5668 18897   
  216.211.190.0/23     4637 3491 3561 7018 18897 + Announce - aggregate of 216.211.190.0/24 (4637 3491 3561 7018 18897) and 216.211.191.0/24 (4637 3491 3561 7018 18897)
  216.211.190.0/24     4637 3491 3561 7018 18897 - Withdrawn - aggregated with 216.211.191.0/24 (4637 3491 3561 7018 18897)
  216.211.191.0/24     4637 3491 3561 7018 18897 - Withdrawn - aggregated with 216.211.190.0/24 (4637 3491 3561 7018 18897)

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

AS18897   34 More Specifics   34 Total Advertisements   MONTANA-SKY-NETWORKS-INC - Montana Sky Networks, Inc.
    66.135.64.0/22                66.135.64.0/19
    66.135.72.0/24                66.135.64.0/19
    66.135.73.0/24                66.135.64.0/19
    66.135.74.0/24                66.135.64.0/19
    66.135.77.0/24                66.135.64.0/19
    66.135.78.0/24                66.135.64.0/19
    66.135.79.0/24                66.135.64.0/19
    66.135.80.0/22                66.135.64.0/19
    66.135.84.0/22                66.135.64.0/19
    66.135.88.0/22                66.135.64.0/19
    66.135.92.0/24                66.135.64.0/19
    66.135.93.0/24                66.135.64.0/19
    66.135.94.0/24                66.135.64.0/19
    66.135.95.0/24                66.135.64.0/19
    208.123.192.0/24              208.123.192.0/20
    208.123.194.0/23              208.123.192.0/20
    208.123.196.0/22              208.123.192.0/20
    208.123.200.0/21              208.123.192.0/20
    216.211.176.0/24              216.211.176.0/20
    216.211.177.0/24              216.211.176.0/20
    216.211.178.0/24              216.211.176.0/20
    216.211.179.0/24              216.211.176.0/20
    216.211.180.0/24              216.211.176.0/20
    216.211.181.0/24              216.211.176.0/20
    216.211.182.0/24              216.211.176.0/20
    216.211.183.0/24              216.211.176.0/20
    216.211.184.0/24              216.211.176.0/20
    216.211.185.0/24              216.211.176.0/20
    216.211.186.0/24              216.211.176.0/20
    216.211.187.0/24              216.211.176.0/20
    216.211.188.0/24              216.211.176.0/20
    216.211.189.0/24              216.211.176.0/20
    216.211.190.0/24              216.211.176.0/20
    216.211.191.0/24              216.211.176.0/20

Whois Entry

whois: 402603

IANA has recorded AS18897 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS18897\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:       18897
             ASName:         MONTANA-SKY-NETWORKS-INC
             ASHandle:       AS18897
             RegDate:        2007-01-19
             Updated:        2022-02-22
             Ref:            https://rdap.arin.net/registry/autnum/18897
             
             
             OrgName:        Montana Sky Networks, Inc.
             OrgId:          MSN-15
             Address:        1286 Burns Way
             City:           Kalispell
             StateProv:      MT
             PostalCode:     59901
             Country:        US
             RegDate:        2004-08-25
             Updated:        2019-05-25
             Ref:            https://rdap.arin.net/registry/entity/MSN-15
             
             
             OrgAbuseHandle: MNOC4-ARIN
             OrgAbuseName:   MontanaSky Network Opperations Center
             OrgAbusePhone:  +1-406-257-9705 
             OrgAbuseEmail:  noc@montanasky.net
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MNOC4-ARIN
             
             OrgNOCHandle: MNOC4-ARIN
             OrgNOCName:   MontanaSky Network Opperations Center
             OrgNOCPhone:  +1-406-257-9705 
             OrgNOCEmail:  noc@montanasky.net
             OrgNOCRef:    https://rdap.arin.net/registry/entity/MNOC4-ARIN
             
             OrgTechHandle: ENDER42-ARIN
             OrgTechName:   Enders, Tim 
             OrgTechPhone:  +1-406-752-4335 
             OrgTechEmail:  tenders@montanasky.net
             OrgTechRef:    https://rdap.arin.net/registry/entity/ENDER42-ARIN
             
             OrgAbuseHandle: ENDER42-ARIN
             OrgAbuseName:   Enders, Tim 
             OrgAbusePhone:  +1-406-752-4335 
             OrgAbuseEmail:  tenders@montanasky.net
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ENDER42-ARIN
             
             RNOCHandle: MNOC4-ARIN
             RNOCName:   MontanaSky Network Opperations Center
             RNOCPhone:  +1-406-257-9705 
             RNOCEmail:  noc@montanasky.net
             RNOCRef:    https://rdap.arin.net/registry/entity/MNOC4-ARIN
             
             RAbuseHandle: ENDER42-ARIN
             RAbuseName:   Enders, Tim 
             RAbusePhone:  +1-406-752-4335 
             RAbuseEmail:  tenders@montanasky.net
             RAbuseRef:    https://rdap.arin.net/registry/entity/ENDER42-ARIN
             
             RTechHandle: ENDER42-ARIN
             RTechName:   Enders, Tim 
             RTechPhone:  +1-406-752-4335 
             RTechEmail:  tenders@montanasky.net
             RTechRef:    https://rdap.arin.net/registry/entity/ENDER42-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.
             #