Report for 17924

Name

SMARTONE-MB-AS-AP SmarTone Mobile Communications Ltd, 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.

17924 SMARTONE-MB-AS-AP SmarTone Mobile Communications Ltd, HK

  Adjacency:     5  Upstream:     3  Downstream:     2
  Upstream Adjacent AS list
    AS9304          HUTCHISON-AS-AP HGC Global Communications Limited, HK
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
  Downstream Adjacent AS list
    AS45136         SONIC-AS-AP Sonic Point Limited, HK
    AS9474          SMARTONE-AS-AP SmarTone Telecommunications Ltd., HK

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
466   AS17924        ORG+TRN Originate:     918016 /12.19  Transit:      26880 /17.29 SMARTONE-MB-AS-AP SmarTone Mobile Communications Ltd, 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       %
 1025 AS17924       SMARTONE-MB-AS-AP SmarTone Mobile Communicati    105     75     16     46     59  56.19%


  Prefix               AS Path                              Aggregation Suggestion
  45.64.240.0/22       4777 2497 3356 17924 17924 17924 17924 17924   
  45.64.240.0/22       4608 7575 9304 17924 17924 17924 17924 17924 + Announce - aggregate of 45.64.240.0/23 (4608 7575 9304 17924 17924 17924 17924 17924) and 45.64.242.0/23 (4608 7575 9304 17924 17924 17924 17924 17924)
  45.64.240.0/24       4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 45.64.241.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  45.64.241.0/24       4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 45.64.240.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  45.64.242.0/24       4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 45.64.243.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  45.64.243.0/24       4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 45.64.242.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  49.130.0.0/15        4777 2497 3356 17924 17924 17924 17924 17924   
  49.130.0.0/17        4777 2516 3356 17924 17924 17924 17924   
  49.130.128.0/22      4608 7575 9304 17924 17924 17924 17924 17924 + Announce - aggregate of 49.130.128.0/23 (4608 7575 9304 17924 17924 17924 17924 17924) and 49.130.130.0/23 (4608 7575 9304 17924 17924 17924 17924 17924)
  49.130.128.0/24      4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 49.130.129.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  49.130.129.0/24      4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 49.130.128.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  49.130.130.0/24      4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 49.130.131.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  49.130.131.0/24      4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 49.130.130.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  49.130.132.0/22      4777 2516 3356 17924 17924 17924 17924 + Announce - aggregate of 49.130.132.0/23 (4777 2516 3356 17924 17924 17924 17924) and 49.130.134.0/23 (4777 2516 3356 17924 17924 17924 17924)
  49.130.132.0/23      4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 49.130.134.0/23 (4777 2516 3356 17924 17924 17924 17924)
  49.130.134.0/23      4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 49.130.132.0/23 (4777 2516 3356 17924 17924 17924 17924)
  49.130.136.0/21      4777 2516 3356 17924 17924 17924 17924   
  49.130.144.0/20      4777 2516 3356 17924 17924 17924 17924   
  49.130.160.0/19      4777 2516 3356 17924 17924 17924 17924   
  49.130.192.0/18      4777 2516 3356 17924 17924 17924 17924   
  49.131.0.0/16        4777 2516 3356 17924 17924 17924 17924 + Announce - aggregate of 49.131.0.0/17 (4777 2516 3356 17924 17924 17924 17924) and 49.131.128.0/17 (4777 2516 3356 17924 17924 17924 17924)
  49.131.0.0/18        4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 49.131.64.0/18 (4777 2516 3356 17924 17924 17924 17924)
  49.131.64.0/18       4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 49.131.0.0/18 (4777 2516 3356 17924 17924 17924 17924)
  49.131.128.0/17      4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 49.131.0.0/17 (4777 2516 3356 17924 17924 17924 17924)
  103.1.16.0/22        4777 2497 3356 17924 17924 17924 17924 17924   
  121.202.0.0/15       4777 2497 3356 17924 17924 17924 17924 17924   
  121.202.0.0/18       4777 2516 3356 17924 17924 17924 17924   
  121.202.64.0/19      4777 2516 3356 17924 17924 17924 17924   
  121.202.96.0/20      4777 2516 3356 17924 17924 17924 17924   
  121.202.112.0/23     4608 7575 9304 17924 17924 17924 17924 17924 + Announce - aggregate of 121.202.112.0/24 (4608 7575 9304 17924 17924 17924 17924 17924) and 121.202.113.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  121.202.112.0/24     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 121.202.113.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  121.202.113.0/24     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 121.202.112.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  121.202.124.0/24     4777 2497 9304 17924 17924 17924 17924 17924   
  121.202.126.0/23     4608 7575 9304 17924 17924 17924 17924 17924 + Announce - aggregate of 121.202.126.0/24 (4608 7575 9304 17924 17924 17924 17924 17924) and 121.202.127.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  121.202.126.0/24     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 121.202.127.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  121.202.127.0/24     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 121.202.126.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  121.202.128.0/17     4608 7575 9304 17924 17924 17924 17924 17924   
  121.202.132.0/24     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - matching aggregate 121.202.128.0/17 4608 7575 9304 17924 17924 17924 17924 17924
  121.202.137.0/24     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - matching aggregate 121.202.128.0/17 4608 7575 9304 17924 17924 17924 17924 17924
  121.202.142.0/24     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - matching aggregate 121.202.128.0/17 4608 7575 9304 17924 17924 17924 17924 17924
  121.202.160.0/19     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - matching aggregate 121.202.128.0/17 4608 7575 9304 17924 17924 17924 17924 17924
  121.202.232.0/22     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - matching aggregate 121.202.128.0/17 4608 7575 9304 17924 17924 17924 17924 17924
  121.202.236.0/22     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - matching aggregate 121.202.128.0/17 4608 7575 9304 17924 17924 17924 17924 17924
  121.202.251.0/24     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - matching aggregate 121.202.128.0/17 4608 7575 9304 17924 17924 17924 17924 17924
  121.202.252.0/24     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - matching aggregate 121.202.128.0/17 4608 7575 9304 17924 17924 17924 17924 17924
  121.202.253.0/24     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - matching aggregate 121.202.128.0/17 4608 7575 9304 17924 17924 17924 17924 17924
  121.202.254.0/24     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - matching aggregate 121.202.128.0/17 4608 7575 9304 17924 17924 17924 17924 17924
  121.203.0.0/17       4777 2516 3356 17924 17924 17924 17924 + Announce - aggregate of 121.203.0.0/18 (4777 2516 3356 17924 17924 17924 17924) and 121.203.64.0/18 (4777 2516 3356 17924 17924 17924 17924)
  121.203.0.0/20       4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 121.203.16.0/20 (4777 2516 3356 17924 17924 17924 17924)
  121.203.16.0/20      4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 121.203.0.0/20 (4777 2516 3356 17924 17924 17924 17924)
  121.203.32.0/20      4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 121.203.48.0/20 (4777 2516 3356 17924 17924 17924 17924)
  121.203.48.0/20      4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 121.203.32.0/20 (4777 2516 3356 17924 17924 17924 17924)
  121.203.64.0/18      4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 121.203.0.0/18 (4777 2516 3356 17924 17924 17924 17924)
  121.203.128.0/18     4777 2516 3356 17924 17924 17924 17924   
  121.203.192.0/19     4777 2516 3356 17924 17924 17924 17924   
  121.203.224.0/20     4777 2516 3356 17924 17924 17924 17924   
  121.203.244.0/23     4608 7575 9304 17924 17924 17924 17924 17924 + Announce - aggregate of 121.203.244.0/24 (4608 7575 9304 17924 17924 17924 17924 17924) and 121.203.245.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  121.203.244.0/24     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 121.203.245.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  121.203.245.0/24     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 121.203.244.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  121.203.246.0/24     4777 2516 3356 17924 17924 17924 17924   
  121.203.247.0/24     4777 2516 174 17924 17924 17924 17924   
  121.203.248.0/21     4608 7575 9304 17924 17924 17924 17924 17924   
  180.219.0.0/16       4777 2497 3356 17924 17924 17924 17924 17924   
  180.219.0.0/17       4777 2516 3356 17924 17924 17924 17924 + Announce - aggregate of 180.219.0.0/18 (4777 2516 3356 17924 17924 17924 17924) and 180.219.64.0/18 (4777 2516 3356 17924 17924 17924 17924)
  180.219.0.0/20       4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 180.219.16.0/20 (4777 2516 3356 17924 17924 17924 17924)
  180.219.16.0/20      4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 180.219.0.0/20 (4777 2516 3356 17924 17924 17924 17924)
  180.219.32.0/20      4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 180.219.48.0/20 (4777 2516 3356 17924 17924 17924 17924)
  180.219.48.0/20      4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 180.219.32.0/20 (4777 2516 3356 17924 17924 17924 17924)
  180.219.64.0/20      4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 180.219.80.0/20 (4777 2516 3356 17924 17924 17924 17924)
  180.219.80.0/20      4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 180.219.64.0/20 (4777 2516 3356 17924 17924 17924 17924)
  180.219.96.0/20      4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 180.219.112.0/20 (4777 2516 3356 17924 17924 17924 17924)
  180.219.112.0/20     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 180.219.96.0/20 (4777 2516 3356 17924 17924 17924 17924)
  180.219.128.0/20     4608 7575 9304 17924 17924 17924 17924 17924   
  180.219.144.0/20     4777 2516 3356 17924 17924 17924 17924   
  180.219.160.0/19     4777 2516 3356 17924 17924 17924 17924 + Announce - aggregate of 180.219.160.0/20 (4777 2516 3356 17924 17924 17924 17924) and 180.219.176.0/20 (4777 2516 3356 17924 17924 17924 17924)
  180.219.160.0/20     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 180.219.176.0/20 (4777 2516 3356 17924 17924 17924 17924)
  180.219.176.0/20     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 180.219.160.0/20 (4777 2516 3356 17924 17924 17924 17924)
  180.219.192.0/18     4777 2516 3356 17924 17924 17924 17924 + Announce - aggregate of 180.219.192.0/19 (4777 2516 3356 17924 17924 17924 17924) and 180.219.224.0/19 (4777 2516 3356 17924 17924 17924 17924)
  180.219.192.0/19     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 180.219.224.0/19 (4777 2516 3356 17924 17924 17924 17924)
  180.219.224.0/19     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 180.219.192.0/19 (4777 2516 3356 17924 17924 17924 17924)
  180.219.252.0/22     4608 7575 9304 17924 17924 17924 17924 17924 + Announce - aggregate of 180.219.252.0/23 (4608 7575 9304 17924 17924 17924 17924 17924) and 180.219.254.0/23 (4608 7575 9304 17924 17924 17924 17924 17924)
  180.219.252.0/24     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 180.219.253.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  180.219.253.0/24     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 180.219.252.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  180.219.254.0/24     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 180.219.255.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  180.219.255.0/24     4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 180.219.254.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  182.152.0.0/15       4777 2497 3356 17924 17924 17924 17924 17924   
  182.152.0.0/16       4777 2516 3356 17924 17924 17924 17924 + Announce - aggregate of 182.152.0.0/17 (4777 2516 3356 17924 17924 17924 17924) and 182.152.128.0/17 (4777 2516 3356 17924 17924 17924 17924)
  182.152.0.0/17       4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.152.128.0/17 (4777 2516 3356 17924 17924 17924 17924)
  182.152.128.0/21     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.152.136.0/21 (4777 2516 3356 17924 17924 17924 17924)
  182.152.136.0/21     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.152.128.0/21 (4777 2516 3356 17924 17924 17924 17924)
  182.152.144.0/21     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.152.152.0/21 (4777 2516 3356 17924 17924 17924 17924)
  182.152.152.0/21     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.152.144.0/21 (4777 2516 3356 17924 17924 17924 17924)
  182.152.160.0/21     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.152.168.0/21 (4777 2516 3356 17924 17924 17924 17924)
  182.152.168.0/21     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.152.160.0/21 (4777 2516 3356 17924 17924 17924 17924)
  182.152.176.0/21     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.152.184.0/21 (4777 2516 3356 17924 17924 17924 17924)
  182.152.184.0/21     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.152.176.0/21 (4777 2516 3356 17924 17924 17924 17924)
  182.152.192.0/21     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.152.200.0/21 (4777 2516 3356 17924 17924 17924 17924)
  182.152.200.0/21     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.152.192.0/21 (4777 2516 3356 17924 17924 17924 17924)
  182.152.208.0/21     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.152.216.0/21 (4777 2516 3356 17924 17924 17924 17924)
  182.152.216.0/21     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.152.208.0/21 (4777 2516 3356 17924 17924 17924 17924)
  182.152.224.0/21     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.152.232.0/21 (4777 2516 3356 17924 17924 17924 17924)
  182.152.232.0/21     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.152.224.0/21 (4777 2516 3356 17924 17924 17924 17924)
  182.152.240.0/21     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.152.248.0/21 (4777 2516 3356 17924 17924 17924 17924)
  182.152.248.0/21     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.152.240.0/21 (4777 2516 3356 17924 17924 17924 17924)
  182.153.0.0/18       4777 2516 3356 17924 17924 17924 17924 + Announce - aggregate of 182.153.0.0/19 (4777 2516 3356 17924 17924 17924 17924) and 182.153.32.0/19 (4777 2516 3356 17924 17924 17924 17924)
  182.153.0.0/19       4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.153.32.0/19 (4777 2516 3356 17924 17924 17924 17924)
  182.153.32.0/19      4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.153.0.0/19 (4777 2516 3356 17924 17924 17924 17924)
  182.153.64.0/19      4777 2516 3356 17924 17924 17924 17924   
  182.153.128.0/19     4777 2516 3356 17924 17924 17924 17924   
  182.153.192.0/18     4777 2516 3356 17924 17924 17924 17924 + Announce - aggregate of 182.153.192.0/19 (4777 2516 3356 17924 17924 17924 17924) and 182.153.224.0/19 (4777 2516 3356 17924 17924 17924 17924)
  182.153.192.0/19     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.153.224.0/19 (4777 2516 3356 17924 17924 17924 17924)
  182.153.224.0/19     4777 2516 3356 17924 17924 17924 17924 - Withdrawn - aggregated with 182.153.192.0/19 (4777 2516 3356 17924 17924 17924 17924)
  203.78.32.0/21       4777 2497 3356 17924 17924 17924 17924 17924   
  203.78.32.0/24       4777 2516 3356 17924 17924 17924 17924   
  203.78.36.0/23       4608 7575 9304 17924 17924 17924 17924 17924 + Announce - aggregate of 203.78.36.0/24 (4608 7575 9304 17924 17924 17924 17924 17924) and 203.78.37.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  203.78.36.0/24       4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 203.78.37.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  203.78.37.0/24       4608 7575 9304 17924 17924 17924 17924 17924 - Withdrawn - aggregated with 203.78.36.0/24 (4608 7575 9304 17924 17924 17924 17924 17924)
  203.78.40.0/22       4777 2497 3356 17924 17924 17924 17924 17924   
  203.78.40.0/24       4608 7575 9304 17924 17924 17924 17924 17924   
  203.78.41.0/24       4777 2497 3356 17924 17924 17924 17924 17924 - Withdrawn - matching aggregate 203.78.40.0/22 4777 2497 3356 17924 17924 17924 17924 17924
  203.78.42.0/24       4777 2497 3356 17924 17924 17924 17924 17924 - Withdrawn - matching aggregate 203.78.40.0/22 4777 2497 3356 17924 17924 17924 17924 17924

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

AS17924   99 More Specifics   105 Total Advertisements   SMARTONE-MB-AS-AP SmarTone Mobile Communications Ltd, HK
    45.64.240.0/24                45.64.240.0/22
    45.64.241.0/24                45.64.240.0/22
    45.64.242.0/24                45.64.240.0/22
    45.64.243.0/24                45.64.240.0/22
    49.130.0.0/17                 49.130.0.0/15
    49.130.128.0/24               49.130.0.0/15
    49.130.129.0/24               49.130.0.0/15
    49.130.130.0/24               49.130.0.0/15
    49.130.131.0/24               49.130.0.0/15
    49.130.132.0/23               49.130.0.0/15
    49.130.134.0/23               49.130.0.0/15
    49.130.136.0/21               49.130.0.0/15
    49.130.144.0/20               49.130.0.0/15
    49.130.160.0/19               49.130.0.0/15
    49.130.192.0/18               49.130.0.0/15
    49.131.0.0/18                 49.130.0.0/15
    49.131.64.0/18                49.130.0.0/15
    49.131.128.0/17               49.130.0.0/15
    121.202.0.0/18                121.202.0.0/15
    121.202.64.0/19               121.202.0.0/15
    121.202.96.0/20               121.202.0.0/15
    121.202.112.0/24              121.202.0.0/15
    121.202.113.0/24              121.202.0.0/15
    121.202.124.0/24              121.202.0.0/15
    121.202.126.0/24              121.202.0.0/15
    121.202.127.0/24              121.202.0.0/15
    121.202.128.0/17              121.202.0.0/15
    121.202.132.0/24              121.202.0.0/15
    121.202.137.0/24              121.202.0.0/15
    121.202.142.0/24              121.202.0.0/15
    121.202.160.0/19              121.202.0.0/15
    121.202.232.0/22              121.202.0.0/15
    121.202.236.0/22              121.202.0.0/15
    121.202.251.0/24              121.202.0.0/15
    121.202.252.0/24              121.202.0.0/15
    121.202.253.0/24              121.202.0.0/15
    121.202.254.0/24              121.202.0.0/15
    121.203.0.0/20                121.202.0.0/15
    121.203.16.0/20               121.202.0.0/15
    121.203.32.0/20               121.202.0.0/15
    121.203.48.0/20               121.202.0.0/15
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Whois Entry

whois: 402332

IANA has recorded AS17924 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS17924\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS17653 - AS18431'
             
             as-block:       AS17653 - AS18431
             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:  2019-01-08T23:19:07Z
             source:         APNIC
             
             % Information related to 'AS17924'
             
             % Abuse contact for 'AS17924' is 'abuse@ismart.net'
             
             aut-num:        AS17924
             as-name:        SMARTONE-MB-AS-AP
             descr:          SmarTone Mobile Communications Ltd
             descr:          28/F,JOS Tower,Millennimu City 2,
             descr:          378 Kwun Tong Rd,Kwun Tong,Kowloon,
             descr:          Hong Kong
             country:        HK
             org:            ORG-SMCL2-AP
             admin-c:        JY50-AP
             tech-c:         FK156-AP
             abuse-c:        AS2092-AP
             notify:         dnsadmin@ismart.net
             mnt-lower:      MAINT-HK-SMARTM-AP
             mnt-routes:     MAINT-HK-SMARTM-AP
             mnt-by:         APNIC-HM
             mnt-irt:        IRT-SMARTMOBILE-HK
             last-modified:  2020-05-16T06:32:33Z
             source:         APNIC
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)