Report for 4743

Name

ISIF-AS-AP - ISIF LIMITED, HK

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.

4743 ISIF-AS-AP - ISIF LIMITED, HK

  Adjacency:     4  Upstream:     2  Downstream:     2
  Upstream Adjacent AS list
    AS209554        ISIF-AS - ISIF OU, EE
    AS49304         SAKURA-AS - SAKURA LINK LIMITED, HK
  Downstream Adjacent AS list
    AS154162        ISIF-AS-AP - ISIF LIMITED, HK
    AS209554        ISIF-AS - ISIF OU, EE

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
78137 AS4743         TRANSIT Originate:          0 /0.00   Transit:       1024 /22.00 ISIF-AS-AP - ISIF LIMITED, HK

Whois Entry

whois: 402591

IANA has recorded AS4743 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS4743\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS4608 - AS4865'
             
             as-block:       AS4608 - AS4865
             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:  2019-05-20T03:52:26Z
             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 'AS4743'
             
             % Abuse contact for 'AS4743' is 'abuse@isif.net'
             
             aut-num:        AS4743
             as-name:        ISIF-AS-AP
             descr:          ISIF LIMITED
             country:        HK
             org:            ORG-AA400-AP
             admin-c:        ILA33-AP
             tech-c:         ILA33-AP
             mnt-by:         APNIC-HM
             mnt-routes:     MAINT-ISIF-HK
             mnt-lower:      MAINT-ISIF-HK
             mnt-irt:        IRT-ISIF-HK
             abuse-c:        AI1064-AP
             last-modified:  2025-08-28T05:17:22Z
             source:         APNIC
             
             irt:            IRT-ISIF-HK
             address:        UNIT A7, 12/F ASTORIA BLDG 34, ASHLEY RD, HONG KONG TSIM SHA TSUI 000000
             e-mail:         abuse@isif.net
             abuse-mailbox:  abuse@isif.net
             admin-c:        ILA33-AP
             tech-c:         ILA33-AP
             auth:           # Filtered
             remarks:        abuse@isif.net was validated on 2026-02-04
             mnt-by:         MAINT-ISIF-HK
             last-modified:  2026-02-04T13:13:37Z
             source:         APNIC
             
             organisation:   ORG-AA400-AP
             org-name:       77689388
             org-type:       LIR
             country:        HK
             address:        UNIT A7, 12/F ASTORIA BLDG 34
             address:        ASHLEY RD
             phone:          +853-63770286
             e-mail:         noc@isif.net
             mnt-ref:        APNIC-HM
             mnt-by:         APNIC-HM
             last-modified:  2025-08-13T13:37:10Z
             source:         APNIC
             
             role:           ABUSE ISIFHK
             country:        ZZ
             address:        UNIT A7, 12/F ASTORIA BLDG 34, ASHLEY RD, HONG KONG TSIM SHA TSUI 000000
             phone:          +000000000
             e-mail:         abuse@isif.net
             admin-c:        ILA33-AP
             tech-c:         ILA33-AP
             nic-hdl:        AI1064-AP
             remarks:        Generated from irt object IRT-ISIF-HK
             remarks:        abuse@isif.net was validated on 2026-02-04
             abuse-mailbox:  abuse@isif.net
             mnt-by:         APNIC-ABUSE
             last-modified:  2026-02-04T13:14:22Z
             source:         APNIC
             
             role:           ISIF LIMITED administrator
             address:        UNIT A7, 12/F ASTORIA BLDG 34, ASHLEY RD, HONG KONG TSIM SHA TSUI 000000
             country:        HK
             phone:          +853-63770286
             e-mail:         abuse@isif.net
             admin-c:        ILA33-AP
             tech-c:         ILA33-AP
             nic-hdl:        ILA33-AP
             mnt-by:         MAINT-ISIF-HK
             last-modified:  2025-08-21T19:32:36Z
             source:         APNIC
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)