Report for 4583

Name

THOMSON-REUTERS - West Publishing Corporation, 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.

4583 WESTPUB-A - West Publishing Corporation

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS209     ASN-QWEST - Qwest
    AS3549    GBLX Global Crossing Ltd.

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1137  AS4583   ORIGIN  Originate:     142848 /14.88  Transit:          0 /0.00  WESTPUB-A - West Publishing Corporation

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       %
 7175 AS4583  WESTPUB-A - West Publishing Corporation      10      0      0     10      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  163.231.0.0/16       4637 3549 4583         
  164.57.144.0/20      4637 3549 4583         
  164.57.160.0/22      4637 3549 4583         
  164.57.250.0/24      4637 3549 4583         
  167.68.0.0/16        4637 3549 4583         
  170.107.176.0/20     4637 3549 4583         
  192.152.160.0/24     4637 3549 4583         
  204.154.88.0/22      4637 3549 4583         
  204.154.92.0/23      4637 3549 4583         
  208.66.84.0/23       4637 3549 4583         

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

AS4583   6 More Specifics   12 Total Advertisements   WESTPUB-A - West Publishing Corporation
    164.57.144.0/20               164.57.0.0/16
    164.57.160.0/22               164.57.0.0/16
    164.57.250.0/24               164.57.0.0/16
    170.107.176.0/20              170.107.0.0/16
    204.194.102.0/24              204.194.96.0/21
    208.66.84.0/23                208.66.84.0/22

Whois Entry

whois: 402332

IANA has recorded AS4583 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS4583\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:       4583
             ASName:         THOMSON-REUTERS
             ASHandle:       AS4583
             RegDate:        1995-05-01
             Updated:        2021-10-04
             Ref:            https://rdap.arin.net/registry/autnum/4583
             
             
             OrgName:        West Publishing Corporation
             OrgId:          WPC-15
             Address:        610 Opperman Drive
             City:           Eagan
             StateProv:      MN
             PostalCode:     55123
             Country:        US
             RegDate:        1992-08-25
             Updated:        2014-12-03
             Ref:            https://rdap.arin.net/registry/entity/WPC-15
             
             
             OrgTechHandle: TRIPT-ARIN
             OrgTechName:   TR-IP-TECH
             OrgTechPhone:  +1-651-687-7000 
             OrgTechEmail:  TR.IP-TECH@thomsonreuters.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/TRIPT-ARIN
             
             OrgAbuseHandle: TRIPA1-ARIN
             OrgAbuseName:   TR-IP-Abuse
             OrgAbusePhone:  +1-651-687-7000 
             OrgAbuseEmail:  TR.IP-ABUSE@thomsonreuters.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/TRIPA1-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.
             #