Report for 19717

Name

MAINSTREAMDATA-375 - Mainstream Data, 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.

19717 MAINSTREAMDATA-375 - Mainstream Data, Inc., US

  Adjacency:     2  Upstream:     1  Downstream:     1
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
  Downstream Adjacent AS list
    AS63039         USMOASN - Spok Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
32421 AS19717        ORG+TRN Originate:       1280 /21.68  Transit:       2304 /20.83 MAINSTREAMDATA-375 - Mainstream Data, 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       %
35245 AS19717       MAINSTREAMDATA-375 - Mainstream Data, Inc., U      4      0      0      4      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  67.50.119.0/24       4777 2516 3356 19717   
  70.102.230.0/23      4777 2516 3356 19717   
  209.63.3.0/24        4777 2516 3356 19717   
  209.63.42.0/24       4777 2516 3356 19717   

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

AS19717   4 More Specifics   4 Total Advertisements   MAINSTREAMDATA-375 - Mainstream Data, Inc., US
    67.50.119.0/24                67.50.0.0/17
    70.102.230.0/23               70.102.0.0/15
    209.63.3.0/24                 209.63.0.0/16
    209.63.42.0/24                209.63.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS19717 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS19717\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:       19717
             ASName:         MAINSTREAMDATA-375
             ASHandle:       AS19717
             RegDate:        2001-02-07
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/19717
             
             
             OrgName:        Mainstream Data, Inc.
             OrgId:          MAINS-14
             Address:        375 Chipeta Way
             Address:        Suite B
             City:           Salt Lake City
             StateProv:      UT
             PostalCode:     84108
             Country:        US
             RegDate:        2008-02-06
             Updated:        2026-05-12
             Ref:            https://rdap.arin.net/registry/entity/MAINS-14
             
             
             OrgAbuseHandle: DNSAD209-ARIN
             OrgAbuseName:   DNS Admin
             OrgAbusePhone:  +1-801-584-2800 
             OrgAbuseEmail:  dnsadmin@mainstreamdata.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DNSAD209-ARIN
             
             OrgTechHandle: PASSE21-ARIN
             OrgTechName:   Passey, Spencer 
             OrgTechPhone:  +1-801-584-2847 
             OrgTechEmail:  spassey@mainstreamdata.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/PASSE21-ARIN
             
             OrgTechHandle: DNSAD209-ARIN
             OrgTechName:   DNS Admin
             OrgTechPhone:  +1-801-584-2800 
             OrgTechEmail:  dnsadmin@mainstreamdata.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/DNSAD209-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.
             #