Report for 63039

Name

USMOASN - Spok 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 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.

63039 USMOASN, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS11427         TWC-11427-TEXAS, US
    AS19717         MAINSTREAMDATA-375, US
    AS701           UUNET, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13156 AS63039        ORIGIN  Originate:       6912 /19.25  Transit:          0 /0.00  USMOASN, 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       %
 9092 AS63039       USMOASN, US                                       19      9      4     14      5  26.32%


  Prefix               AS Path                              Aggregation Suggestion
  63.97.34.0/24        3257 701 63039         
  147.187.0.0/23       6939 701 63039       + Announce - aggregate of 147.187.0.0/24 (6939 701 63039) and 147.187.1.0/24 (6939 701 63039)
  147.187.0.0/24       6939 701 63039       - Withdrawn - aggregated with 147.187.1.0/24 (6939 701 63039)
  147.187.1.0/24       6939 701 63039       - Withdrawn - aggregated with 147.187.0.0/24 (6939 701 63039)
  147.187.10.0/24      6939 701 63039         
  147.187.12.0/22      6939 701 63039       + Announce - aggregate of 147.187.12.0/23 (6939 701 63039) and 147.187.14.0/23 (6939 701 63039)
  147.187.12.0/23      6939 701 63039       - Withdrawn - aggregated with 147.187.14.0/23 (6939 701 63039)
  147.187.14.0/24      6939 701 63039       - Withdrawn - aggregated with 147.187.15.0/24 (6939 701 63039)
  147.187.15.0/24      6939 701 63039       - Withdrawn - aggregated with 147.187.14.0/24 (6939 701 63039)
  147.187.16.0/22      6939 701 63039         
  147.187.100.0/24     57866 3356 19717 63039   
  147.187.110.0/24     57866 3356 19717 63039   
  147.187.112.0/23     57866 3356 19717 63039   
  147.187.115.0/24     57866 3356 19717 63039   
  147.187.116.0/22     57866 3356 19717 63039   
  147.187.128.0/23     6939 701 63039       + Announce - aggregate of 147.187.128.0/24 (6939 701 63039) and 147.187.129.0/24 (6939 701 63039)
  147.187.128.0/24     6939 701 63039       - Withdrawn - aggregated with 147.187.129.0/24 (6939 701 63039)
  147.187.129.0/24     6939 701 63039       - Withdrawn - aggregated with 147.187.128.0/24 (6939 701 63039)
  147.187.130.0/24     6939 701 63039         
  147.187.132.0/23     3257 701 63039       + Announce - aggregate of 147.187.132.0/24 (3257 701 63039) and 147.187.133.0/24 (3257 701 63039)
  147.187.132.0/24     3257 701 63039       - Withdrawn - aggregated with 147.187.133.0/24 (3257 701 63039)
  147.187.133.0/24     3257 701 63039       - Withdrawn - aggregated with 147.187.132.0/24 (3257 701 63039)
  147.187.255.0/24     6939 701 63039         

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

AS63039   15 More Specifics   15 Total Advertisements   USMOASN, US
    147.187.0.0/24                147.187.0.0/16
    147.187.1.0/24                147.187.0.0/16
    147.187.2.0/24                147.187.0.0/16
    147.187.10.0/24               147.187.0.0/16
    147.187.12.0/23               147.187.0.0/16
    147.187.14.0/24               147.187.0.0/16
    147.187.15.0/24               147.187.0.0/16
    147.187.16.0/22               147.187.0.0/16
    147.187.100.0/24              147.187.0.0/16
    147.187.110.0/24              147.187.0.0/16
    147.187.115.0/24              147.187.0.0/16
    147.187.128.0/24              147.187.0.0/16
    147.187.129.0/24              147.187.0.0/16
    147.187.130.0/24              147.187.0.0/16
    147.187.211.0/24              147.187.0.0/16
    147.187.112.0/23              147.187.0.0/16
    147.187.116.0/22              147.187.0.0/16

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

    - 147.187.112.0/23            Withdrawn
    - 147.187.116.0/22            Withdrawn

Whois Entry

whois: 402603

IANA has recorded AS63039 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS63039\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:       63039
             ASName:         USMOASN
             ASHandle:       AS63039
             RegDate:        2014-01-10
             Updated:        2014-01-10
             Ref:            https://rdap.arin.net/registry/autnum/63039
             
             
             OrgName:        Spok Inc.
             OrgId:          UMW-7
             Address:        3000 Technology Drive, suite 400
             City:           Plano
             StateProv:      TX
             PostalCode:     75074
             Country:        US
             RegDate:        2013-09-10
             Updated:        2025-05-06
             Ref:            https://rdap.arin.net/registry/entity/UMW-7
             
             
             OrgAbuseHandle: TOC24-ARIN
             OrgAbuseName:   Technical Operation Center
             OrgAbusePhone:  +1-972-801-0000 
             OrgAbuseEmail:  netengcw@spok.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/TOC24-ARIN
             
             OrgNOCHandle: TOC24-ARIN
             OrgNOCName:   Technical Operation Center
             OrgNOCPhone:  +1-972-801-0000 
             OrgNOCEmail:  netengcw@spok.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/TOC24-ARIN
             
             OrgTechHandle: TOC24-ARIN
             OrgTechName:   Technical Operation Center
             OrgTechPhone:  +1-972-801-0000 
             OrgTechEmail:  netengcw@spok.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/TOC24-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.
             #