Report for 24506

Name

YAHOOGLOBAL-AS-AP Yahoo Global Holdings B.V. Taiwan Branch, TW

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.

24506 YAHOOGLOBAL-AS-AP Yahoo Global Holdings B.V. Taiwan Branch, TW

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3462          HINET Data Communication Business Group, TW

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
7706  AS24506        ORIGIN  Originate:      16640 /17.98  Transit:          0 /0.00  YAHOOGLOBAL-AS-AP Yahoo Global Holdings B.V. Taiwan Branch, TW

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       %
 4972 AS24506       YAHOOGLOBAL-AS-AP Yahoo Global Holdings B.V.      19     11      1      9     10  52.63%


  Prefix               AS Path                              Aggregation Suggestion
  27.123.40.0/23       4777 2497 3462 24506   
  27.123.48.0/21       4777 2497 3462 24506   
  27.123.198.0/23      4777 2497 3462 24506   
  116.214.0.0/20       4777 2497 3462 24506   
  124.108.74.0/23      4777 2497 3462 24506   
  124.108.74.0/24      4777 2497 3462 24506 - Withdrawn - matching aggregate 124.108.74.0/23 4777 2497 3462 24506
  124.108.75.0/24      4777 2497 3462 24506 - Withdrawn - matching aggregate 124.108.74.0/23 4777 2497 3462 24506
  124.108.100.0/22     4777 2497 3462 24506   
  124.108.100.0/24     4777 2497 3462 24506 - Withdrawn - matching aggregate 124.108.100.0/22 4777 2497 3462 24506
  124.108.103.0/24     4777 2497 3462 24506 - Withdrawn - matching aggregate 124.108.100.0/22 4777 2497 3462 24506
  180.222.100.0/22     4777 2497 3462 24506   
  180.222.100.0/24     4777 2497 3462 24506 - Withdrawn - matching aggregate 180.222.100.0/22 4777 2497 3462 24506
  180.222.102.0/24     4777 2497 3462 24506 - Withdrawn - matching aggregate 180.222.100.0/22 4777 2497 3462 24506
  180.222.103.0/24     4777 2497 3462 24506 - Withdrawn - matching aggregate 180.222.100.0/22 4777 2497 3462 24506
  202.165.110.0/23     4777 2497 3462 24506   
  203.188.192.0/20     4777 2497 3462 24506 + Announce - aggregate of 203.188.192.0/21 (4777 2497 3462 24506) and 203.188.200.0/21 (4777 2497 3462 24506)
  203.188.192.0/21     4777 2497 3462 24506 - Withdrawn - aggregated with 203.188.200.0/21 (4777 2497 3462 24506)
  203.188.200.0/22     4777 2497 3462 24506 - Withdrawn - aggregated with 203.188.204.0/22 (4777 2497 3462 24506)
  203.188.204.0/22     4777 2497 3462 24506 - Withdrawn - aggregated with 203.188.200.0/22 (4777 2497 3462 24506)
  203.188.206.0/23     4777 2497 3462 24506 - Withdrawn - matching aggregate 203.188.204.0/22 4777 2497 3462 24506

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

AS24506   18 More Specifics   19 Total Advertisements   YAHOOGLOBAL-AS-AP Yahoo Global Holdings B.V. Taiwan Branch, TW
    27.123.40.0/23                27.123.32.0/19
    27.123.48.0/21                27.123.32.0/19
    27.123.198.0/23               27.123.192.0/20
    124.108.74.0/23               124.108.64.0/19
    124.108.74.0/24               124.108.64.0/19
    124.108.75.0/24               124.108.64.0/19
    124.108.100.0/22              124.108.96.0/20
    124.108.100.0/24              124.108.96.0/20
    124.108.103.0/24              124.108.96.0/20
    180.222.100.0/22              180.222.96.0/20
    180.222.100.0/24              180.222.96.0/20
    180.222.102.0/24              180.222.96.0/20
    180.222.103.0/24              180.222.96.0/20
    202.165.110.0/23              202.165.96.0/20
    203.188.192.0/21              203.188.192.0/20
    203.188.200.0/22              203.188.192.0/20
    203.188.204.0/22              203.188.192.0/20
    203.188.206.0/23              203.188.192.0/20

Whois Entry

whois: 402332

IANA has recorded AS24506 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS24506\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS23552 - AS24575'
             
             as-block:       AS23552 - AS24575
             descr:          APNIC ASN block
             remarks:        These AS numbers are further assigned by APNIC
             remarks:        to APNIC members and end-users in the APNIC region
             remarks:        AS23889 has been transfered to AfriNIC
             admin-c:        HM20-AP
             tech-c:         HM20-AP
             mnt-by:         APNIC-HM
             mnt-lower:      APNIC-HM
             last-modified:  2009-09-29T06:04:16Z
             source:         APNIC
             
             role:           APNIC Hostmaster
             address:        6 Cordelia Street
             address:        South Brisbane
             address:        QLD 4101
             country:        AU
             phone:          +61 7 3858 3100
             fax-no:         +61 7 3858 3199
             e-mail:         helpdesk@apnic.net
             admin-c:        AMS11-AP
             tech-c:         AH256-AP
             nic-hdl:        HM20-AP
             remarks:        Administrator for APNIC
             notify:         hostmaster@apnic.net
             mnt-by:         MAINT-APNIC-AP
             last-modified:  2013-10-23T04:06:51Z
             source:         APNIC
             
             % Information related to 'AS24431 - AS24517'
             
             as-block:       AS24431 - AS24517
             descr:          APNIC ASN block
             remarks:        These AS numbers are further assigned by APNIC
             remarks:        to APNIC members and end-users in the APNIC region
             admin-c:        HM20-AP
             tech-c:         HM20-AP
             mnt-by:         APNIC-HM
             mnt-lower:      APNIC-HM
             last-modified:  2008-09-04T06:40:26Z
             source:         APNIC
             
             role:           APNIC Hostmaster
             address:        6 Cordelia Street
             address:        South Brisbane
             address:        QLD 4101
             country:        AU
             phone:          +61 7 3858 3100
             fax-no:         +61 7 3858 3199
             e-mail:         helpdesk@apnic.net
             admin-c:        AMS11-AP
             tech-c:         AH256-AP
             nic-hdl:        HM20-AP
             remarks:        Administrator for APNIC
             notify:         hostmaster@apnic.net
             mnt-by:         MAINT-APNIC-AP
             last-modified:  2013-10-23T04:06:51Z
             source:         APNIC
             
             % Information related to 'AS24506'
             
             % Abuse contact for 'AS24506' is 'rir-abuse@yahooinc.com'
             
             aut-num:        AS24506
             as-name:        YAHOOGLOBAL-AS-AP
             descr:          Yahoo Global Holdings B.V. Taiwan Branch
             country:        TW
             org:            ORG-YGHB1-AP
             admin-c:        YGHB1-AP
             tech-c:         YGHB1-AP
             abuse-c:        AY594-AP
             mnt-lower:      MAINT-YAHOOGLOBAL-TW
             mnt-routes:     MAINT-YAHOOGLOBAL-TW
             mnt-by:         APNIC-HM
             mnt-irt:        IRT-YAHOOGLOBAL-TW
             last-modified:  2024-05-09T06:17:33Z
             source:         APNIC
             
             irt:            IRT-YAHOOGLOBAL-TW
             address:        15F, 66 SanChong Rd., Nangang District, Taipei City n/a 11560
             e-mail:         rir-abuse@yahooinc.com
             abuse-mailbox:  rir-abuse@yahooinc.com
             admin-c:        YGHB1-AP
             tech-c:         YGHB1-AP
             auth:           # Filtered
             remarks:        rir-abuse@yahooinc.com is invalid
             mnt-by:         MAINT-YAHOOGLOBAL-TW
             last-modified:  2026-03-18T13:12:12Z
             source:         APNIC
             
             organisation:   ORG-YGHB1-AP
             org-name:       Yahoo Global Holdings B.V. Taiwan Branch
             org-type:       LIR
             country:        TW
             address:        15F, 66 SanChong Rd., Nangang District
             phone:          +886 2 23602888
             e-mail:         rir-admin@yahooinc.com
             mnt-ref:        APNIC-HM
             mnt-by:         APNIC-HM
             last-modified:  2024-04-26T13:08:52Z
             source:         APNIC
             
             role:           ABUSE YAHOOGLOBALTW
             country:        ZZ
             address:        15F, 66 SanChong Rd., Nangang District, Taipei City n/a 11560
             phone:          +000000000
             e-mail:         rir-abuse@yahooinc.com
             admin-c:        YGHB1-AP
             tech-c:         YGHB1-AP
             nic-hdl:        AY594-AP
             remarks:        Generated from irt object IRT-YAHOOGLOBAL-TW
             remarks:        rir-abuse@yahooinc.com is invalid
             abuse-mailbox:  rir-abuse@yahooinc.com
             mnt-by:         APNIC-ABUSE
             last-modified:  2026-03-18T13:13:11Z
             source:         APNIC
             
             role:           Yahoo Global Holdings BV Taiwan Branch administrator
             address:        15F, 66 SanChong Rd., Nangang District, Taipei City n/a 11560
             country:        TW
             phone:          +886-00000
             e-mail:         rir-abuse@yahooinc.com
             admin-c:        YGHB1-AP
             tech-c:         YGHB1-AP
             nic-hdl:        YGHB1-AP
             mnt-by:         MAINT-YAHOOGLOBAL-TW
             last-modified:  2024-05-07T00:30:51Z
             source:         APNIC
             
             % This query was served by the APNIC Whois Service version 1.88.47 (WHOIS-AU4)