Report for 4605

Name

ERX-HKBUNET Hong Kong Baptist University, 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.

4605 ERX-HKBUNET Hong Kong Baptist University, HK

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3662          HARNET Joint Universities Computer Centre Limited, HK
    AS137207        JUCC-AS-AP Joint Universities Computer Centre Limited, HK

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2856  AS4605         ORIGIN  Originate:      75008 /15.81  Transit:          0 /0.00  ERX-HKBUNET Hong Kong Baptist University, HK

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       %
 9753 AS4605        ERX-HKBUNET Hong Kong Baptist University, HK      11      5      1      7      4  36.36%


  Prefix               AS Path                              Aggregation Suggestion
  158.182.0.0/16       4777 137207 4605       
  158.182.84.0/24      4777 137207 4605     - Withdrawn - matching aggregate 158.182.0.0/16 4777 137207 4605
  175.159.144.0/21     4777 137207 4605       
  175.159.152.0/22     4777 137207 4605       
  175.159.154.0/24     4777 137207 4605     - Withdrawn - matching aggregate 175.159.152.0/22 4777 137207 4605
  175.159.155.0/24     4777 137207 4605     - Withdrawn - matching aggregate 175.159.152.0/22 4777 137207 4605
  175.159.156.0/23     4777 137207 4605       
  175.159.232.0/21     4777 137207 3662 4605 + Announce - aggregate of 175.159.232.0/22 (4777 137207 3662 4605) and 175.159.236.0/22 (4777 137207 3662 4605)
  175.159.232.0/22     4777 137207 3662 4605 - Withdrawn - aggregated with 175.159.236.0/22 (4777 137207 3662 4605)
  175.159.236.0/22     4777 137207 3662 4605 - Withdrawn - aggregated with 175.159.232.0/22 (4777 137207 3662 4605)
  202.125.240.0/21     4777 137207 3662 4605   
  202.125.248.0/22     4777 137207 3662 4605   

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

AS4605   10 More Specifics   11 Total Advertisements   ERX-HKBUNET Hong Kong Baptist University, HK
    158.182.84.0/24               158.182.0.0/16
    175.159.144.0/21              175.159.0.0/16
    175.159.152.0/22              175.159.0.0/16
    175.159.154.0/24              175.159.0.0/16
    175.159.155.0/24              175.159.0.0/16
    175.159.156.0/23              175.159.0.0/16
    175.159.232.0/22              175.159.0.0/16
    175.159.236.0/22              175.159.0.0/16
    202.125.240.0/21              202.125.224.0/19
    202.125.248.0/22              202.125.224.0/19

Whois Entry

whois: 402332

IANA has recorded AS4605 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS4605\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS4605'
             
             % Abuse contact for 'AS4605' is 'abuse@hkbu.edu.hk'
             
             aut-num:        AS4605
             as-name:        ERX-HKBUNET
             descr:          Hong Kong Baptist University
             descr:          Computing and Telecommunications
             descr:          Services Centre
             descr:          224 Waterloo Road
             descr:          Kowloon,
             country:        HK
             remarks:        This aut-num object created as part of the ER-Transfer from ARIN
             org:            ORG-HKBU1-AP
             admin-c:        PW210-AP
             tech-c:         PW210-AP
             abuse-c:        AH1089-AP
             mnt-routes:     MAINT-HK-BAPTISTCOL
             mnt-by:         APNIC-HM
             mnt-irt:        IRT-HKBAPTISTCOL-NON-HK
             last-modified:  2020-08-19T13:06:42Z
             source:         APNIC
             
             irt:            IRT-HKBAPTISTCOL-NON-HK
             address:        Hong Kong Baptist University
             address:        Kowloon Tong, Hong Kong
             e-mail:         abuse@hkbu.edu.hk
             abuse-mailbox:  abuse@hkbu.edu.hk
             admin-c:        JA380-AP
             tech-c:         JA380-AP
             auth:           # Filtered
             remarks:        abuse@hkbu.edu.hk was validated on 2026-02-24
             mnt-by:         MAINT-HK-BAPTISTCOL
             last-modified:  2026-02-24T22:53:05Z
             source:         APNIC
             
             organisation:   ORG-HKBU1-AP
             org-name:       Hong Kong Baptist University
             org-type:       LIR
             country:        HK
             address:        224 Waterloo Road
             phone:          +852-34117413
             fax-no:         +852-34117888
             e-mail:         hotline@hkbu.edu.hk
             mnt-ref:        APNIC-HM
             mnt-by:         APNIC-HM
             last-modified:  2023-09-05T02:15:43Z
             source:         APNIC
             
             role:           ABUSE HKBAPTISTCOLNONHK
             country:        ZZ
             address:        Hong Kong Baptist University
             address:        Kowloon Tong, Hong Kong
             phone:          +000000000
             e-mail:         abuse@hkbu.edu.hk
             admin-c:        JA380-AP
             tech-c:         JA380-AP
             nic-hdl:        AH1089-AP
             remarks:        Generated from irt object IRT-HKBAPTISTCOL-NON-HK
             remarks:        abuse@hkbu.edu.hk was validated on 2026-02-24
             abuse-mailbox:  abuse@hkbu.edu.hk
             mnt-by:         APNIC-ABUSE
             last-modified:  2026-02-24T22:53:33Z
             source:         APNIC
             
             person:         Pui-ming Wong
             address:        Computer Center
             address:        Hong Kong Baptist College
             address:        224 Waterloo Rd.
             address:        Kowloon
             country:        HK
             phone:          +852 3397425
             e-mail:         s11976@CTSC.HKBC.HK
             nic-hdl:        PW210-AP
             remarks:        This person object created as part of the ER-Transfer from ARIN
             mnt-by:         MAINT-HK-BAPTIST-UNI
             last-modified:  2008-09-04T07:29:20Z
             source:         APNIC
             
             % This query was served by the APNIC Whois Service version 1.88.47 (WHOIS-AU4)