Report for 138421

Name

CU-CN-AS China Unicom, CN

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.

138421 CU-CN-AS China Unicom, CN

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS4837          CHINA169-BACKBONE CHINA UNICOM China169 Backbone, CN

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2410  AS138421       ORIGIN  Originate:      96000 /15.45  Transit:          0 /0.00  CU-CN-AS China Unicom, CN

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       %
  662 AS138421      CU-CN-AS China Unicom, CN                        209    118     23    114     95  45.45%


  Prefix               AS Path                              Aggregation Suggestion
  1.1.8.0/24           4777 2497 4837 138421   
  43.240.125.0/24      4777 2497 4837 138421   
  43.240.128.0/22      4777 2497 4837 138421 + Announce - aggregate of 43.240.128.0/23 (4777 2497 4837 138421) and 43.240.130.0/23 (4777 2497 4837 138421)
  43.240.128.0/23      4777 2497 4837 138421 - Withdrawn - aggregated with 43.240.130.0/23 (4777 2497 4837 138421)
  43.240.130.0/23      4777 2497 4837 138421 - Withdrawn - aggregated with 43.240.128.0/23 (4777 2497 4837 138421)
  43.254.104.0/23      4777 2497 4837 138421 + Announce - aggregate of 43.254.104.0/24 (4777 2497 4837 138421) and 43.254.105.0/24 (4777 2497 4837 138421)
  43.254.104.0/24      4777 2497 4837 138421 - Withdrawn - aggregated with 43.254.105.0/24 (4777 2497 4837 138421)
  43.254.105.0/24      4777 2497 4837 138421 - Withdrawn - aggregated with 43.254.104.0/24 (4777 2497 4837 138421)
  43.254.144.0/21      4777 2497 4837 138421 + Announce - aggregate of 43.254.144.0/22 (4777 2497 4837 138421) and 43.254.148.0/22 (4777 2497 4837 138421)
  43.254.144.0/24      4777 2497 4837 138421 - Withdrawn - aggregated with 43.254.145.0/24 (4777 2497 4837 138421)
  43.254.145.0/24      4777 2497 4837 138421 - Withdrawn - aggregated with 43.254.144.0/24 (4777 2497 4837 138421)
  43.254.146.0/24      4777 2497 4837 138421 - Withdrawn - aggregated with 43.254.147.0/24 (4777 2497 4837 138421)
  43.254.147.0/24      4777 2497 4837 138421 - Withdrawn - aggregated with 43.254.146.0/24 (4777 2497 4837 138421)
  43.254.148.0/22      4777 2497 4837 138421 - Withdrawn - aggregated with 43.254.144.0/22 (4777 2497 4837 138421)
  45.253.24.0/23       4777 2497 4837 138421 + Announce - aggregate of 45.253.24.0/24 (4777 2497 4837 138421) and 45.253.25.0/24 (4777 2497 4837 138421)
  45.253.24.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 45.253.25.0/24 (4777 2497 4837 138421)
  45.253.25.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 45.253.24.0/24 (4777 2497 4837 138421)
  45.253.32.0/24       4777 2497 4837 138421   
  58.246.165.0/24      4777 2516 4837 138421   
  58.246.207.0/24      4777 2497 4837 138421   
  58.247.254.0/23      4777 2497 4837 138421   
  103.36.174.0/23      4777 2497 4837 138421   
  103.68.128.0/22      4777 2497 4837 138421   
  103.220.164.0/22     4777 2497 4837 138421   
  103.220.167.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 103.220.164.0/22 4777 2497 4837 138421
  112.64.32.0/22       4777 2497 4837 138421 + Announce - aggregate of 112.64.32.0/23 (4777 2497 4837 138421) and 112.64.34.0/23 (4777 2497 4837 138421)
  112.64.32.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 112.64.33.0/24 (4777 2497 4837 138421)
  112.64.33.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 112.64.32.0/24 (4777 2497 4837 138421)
  112.64.34.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 112.64.35.0/24 (4777 2497 4837 138421)
  112.64.35.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 112.64.34.0/24 (4777 2497 4837 138421)
  112.64.45.0/24       4777 2497 4837 138421   
  112.64.64.0/24       4777 2497 4837 138421   
  112.64.112.0/22      4777 2497 4837 138421   
  112.64.212.0/22      4777 2497 4837 138421   
  112.65.64.0/24       4777 2497 4837 138421   
  112.65.66.0/24       4777 2497 4837 138421   
  112.65.72.0/22       4777 2497 4837 138421 + Announce - aggregate of 112.65.72.0/23 (4777 2497 4837 138421) and 112.65.74.0/23 (4777 2497 4837 138421)
  112.65.72.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 112.65.73.0/24 (4777 2497 4837 138421)
  112.65.73.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 112.65.72.0/24 (4777 2497 4837 138421)
  112.65.74.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 112.65.75.0/24 (4777 2497 4837 138421)
  112.65.75.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 112.65.74.0/24 (4777 2497 4837 138421)
  112.65.94.0/24       4777 2497 4837 138421   
  112.65.112.0/24      4777 2497 4837 138421   
  112.65.116.0/23      4777 2497 4837 138421   
  112.65.116.0/24      4777 2497 4837 138421 - Withdrawn - matching aggregate 112.65.116.0/23 4777 2497 4837 138421
  112.65.117.0/24      4777 2497 4837 138421 - Withdrawn - matching aggregate 112.65.116.0/23 4777 2497 4837 138421
  112.65.216.0/23      4777 2497 4837 138421 + Announce - aggregate of 112.65.216.0/24 (4777 2497 4837 138421) and 112.65.217.0/24 (4777 2497 4837 138421)
  112.65.216.0/24      4777 2497 4837 138421 - Withdrawn - aggregated with 112.65.217.0/24 (4777 2497 4837 138421)
  112.65.217.0/24      4777 2497 4837 138421 - Withdrawn - aggregated with 112.65.216.0/24 (4777 2497 4837 138421)
  112.65.219.0/24      4777 2497 4837 138421   
  112.65.220.0/24      4777 2497 4837 138421   
  112.65.222.0/23      4777 2497 4837 138421   
  112.65.222.0/24      4777 2497 4837 138421 - Withdrawn - matching aggregate 112.65.222.0/23 4777 2497 4837 138421
  112.65.223.0/24      4777 2497 4837 138421 - Withdrawn - matching aggregate 112.65.222.0/23 4777 2497 4837 138421
  112.65.224.0/21      4777 2497 4837 138421 + Announce - aggregate of 112.65.224.0/22 (4777 2497 4837 138421) and 112.65.228.0/22 (4777 2497 4837 138421)
  112.65.224.0/23      4777 2497 4837 138421 - Withdrawn - aggregated with 112.65.226.0/23 (4777 2497 4837 138421)
  112.65.226.0/24      4777 2497 4837 138421 - Withdrawn - aggregated with 112.65.227.0/24 (4777 2497 4837 138421)
  112.65.227.0/24      4777 2497 4837 138421 - Withdrawn - aggregated with 112.65.226.0/24 (4777 2497 4837 138421)
  112.65.228.0/22      4777 2497 4837 138421 - Withdrawn - aggregated with 112.65.224.0/22 (4777 2497 4837 138421)
  112.65.232.0/23      4777 2497 4837 138421   
  112.65.235.0/24      4777 2497 4837 138421   
  112.65.237.0/24      4777 2497 4837 138421   
  112.65.238.0/24      4777 2497 4837 138421   
  112.65.240.0/20      4777 2497 4837 138421   
  116.128.149.0/24     4777 2497 4837 138421   
  116.128.189.0/24     4777 2497 4837 138421   
  116.128.190.0/23     4777 2497 4837 138421   
  116.128.190.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 116.128.190.0/23 4777 2497 4837 138421
  116.128.191.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 116.128.190.0/23 4777 2497 4837 138421
  139.227.231.0/24     4777 2497 4837 138421   
  140.206.167.0/24     4777 2497 4837 138421   
  140.206.200.0/22     4777 2497 4837 138421   
  140.206.200.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.206.200.0/22 4777 2497 4837 138421
  140.206.201.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.206.200.0/22 4777 2497 4837 138421
  140.206.202.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.206.200.0/22 4777 2497 4837 138421
  140.206.203.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.206.200.0/22 4777 2497 4837 138421
  140.206.204.0/24     4777 2497 4837 138421   
  140.206.208.0/23     4777 2497 4837 138421   
  140.206.211.0/24     4777 2497 4837 138421   
  140.206.212.0/22     4777 2497 4837 138421   
  140.206.212.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.206.212.0/22 4777 2497 4837 138421
  140.206.213.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.206.212.0/22 4777 2497 4837 138421
  140.206.216.0/22     4777 2497 4837 138421   
  140.206.219.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.206.216.0/22 4777 2497 4837 138421
  140.206.228.0/22     4777 2497 4837 138421 + Announce - aggregate of 140.206.228.0/23 (4777 2497 4837 138421) and 140.206.230.0/23 (4777 2497 4837 138421)
  140.206.228.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 140.206.229.0/24 (4777 2497 4837 138421)
  140.206.229.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 140.206.228.0/24 (4777 2497 4837 138421)
  140.206.230.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 140.206.231.0/24 (4777 2497 4837 138421)
  140.206.231.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 140.206.230.0/24 (4777 2497 4837 138421)
  140.206.232.0/24     4777 2497 4837 138421   
  140.206.234.0/24     4777 2497 4837 138421   
  140.206.238.0/24     4777 2497 4837 138421   
  140.206.240.0/22     4777 2497 4837 138421   
  140.206.244.0/24     4777 2497 4837 138421   
  140.206.247.0/24     4777 2497 4837 138421   
  140.207.69.0/24      4777 2516 4837 138421   
  140.207.70.0/24      4777 2516 4837 138421   
  140.207.72.0/24      4777 2516 4837 138421   
  140.207.73.0/24      4777 2497 4837 138421   
  140.207.130.0/23     4777 2516 4837 138421 + Announce - aggregate of 140.207.130.0/24 (4777 2516 4837 138421) and 140.207.131.0/24 (4777 2516 4837 138421)
  140.207.130.0/24     4777 2516 4837 138421 - Withdrawn - aggregated with 140.207.131.0/24 (4777 2516 4837 138421)
  140.207.131.0/24     4777 2516 4837 138421 - Withdrawn - aggregated with 140.207.130.0/24 (4777 2516 4837 138421)
  140.207.134.0/23     4777 2497 4837 138421 + Announce - aggregate of 140.207.134.0/24 (4777 2497 4837 138421) and 140.207.135.0/24 (4777 2497 4837 138421)
  140.207.134.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 140.207.135.0/24 (4777 2497 4837 138421)
  140.207.135.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 140.207.134.0/24 (4777 2497 4837 138421)
  140.207.138.0/23     4777 2497 4837 138421   
  140.207.140.0/23     4777 2497 4837 138421   
  140.207.208.0/20     4777 2497 4837 138421 + Announce - aggregate of 140.207.208.0/21 (4777 2497 4837 138421) and 140.207.216.0/21 (4777 2497 4837 138421)
  140.207.208.0/21     4777 2497 4837 138421 - Withdrawn - aggregated with 140.207.216.0/21 (4777 2497 4837 138421)
  140.207.208.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.208.0/21 4777 2497 4837 138421
  140.207.209.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.208.0/21 4777 2497 4837 138421
  140.207.210.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.208.0/21 4777 2497 4837 138421
  140.207.211.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.208.0/21 4777 2497 4837 138421
  140.207.212.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.208.0/21 4777 2497 4837 138421
  140.207.213.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.208.0/21 4777 2497 4837 138421
  140.207.214.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.208.0/21 4777 2497 4837 138421
  140.207.215.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.208.0/21 4777 2497 4837 138421
  140.207.216.0/21     4777 2497 4837 138421 - Withdrawn - aggregated with 140.207.208.0/21 (4777 2497 4837 138421)
  140.207.216.0/22     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.216.0/21 4777 2497 4837 138421
  140.207.216.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.216.0/21 4777 2497 4837 138421
  140.207.217.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.216.0/21 4777 2497 4837 138421
  140.207.218.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.216.0/21 4777 2497 4837 138421
  140.207.219.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.216.0/21 4777 2497 4837 138421
  140.207.220.0/22     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.216.0/21 4777 2497 4837 138421
  140.207.220.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.216.0/21 4777 2497 4837 138421
  140.207.224.0/21     4777 2497 4837 138421   
  140.207.233.0/24     4777 2497 4837 138421   
  140.207.235.0/24     4777 2497 4837 138421   
  140.207.237.0/24     4777 2497 4837 138421   
  140.207.238.0/23     4777 2497 4837 138421   
  140.207.240.0/23     4777 2497 4837 138421   
  140.207.241.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.240.0/23 4777 2497 4837 138421
  140.207.244.0/23     4777 2497 4837 138421   
  140.207.245.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.244.0/23 4777 2497 4837 138421
  140.207.246.0/24     4777 2497 4837 138421   
  140.207.248.0/23     4777 2497 4837 138421   
  140.207.249.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.248.0/23 4777 2497 4837 138421
  140.207.251.0/24     4777 2497 4837 138421   
  140.207.252.0/22     4777 2497 4837 138421   
  140.207.255.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 140.207.252.0/22 4777 2497 4837 138421
  203.166.160.0/22     4777 2497 4837 138421   
  203.166.165.0/24     4777 2497 4837 138421   
  203.166.166.0/24     4777 2497 4837 138421   
  203.166.172.0/24     4777 2497 4837 138421   
  203.166.177.0/24     4777 2497 4837 138421   
  203.166.186.0/23     4777 2497 4837 138421   
  203.166.188.0/23     4777 2497 4837 138421 + Announce - aggregate of 203.166.188.0/24 (4777 2497 4837 138421) and 203.166.189.0/24 (4777 2497 4837 138421)
  203.166.188.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 203.166.189.0/24 (4777 2497 4837 138421)
  203.166.189.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 203.166.188.0/24 (4777 2497 4837 138421)
  203.166.191.0/24     4777 2497 4837 138421   
  210.22.165.0/24      4777 2497 4837 138421   
  210.51.20.0/22       4777 2497 4837 138421   
  210.51.25.0/24       4777 2497 4837 138421   
  210.51.26.0/23       4777 2497 4837 138421 + Announce - aggregate of 210.51.26.0/24 (4777 2497 4837 138421) and 210.51.27.0/24 (4777 2497 4837 138421)
  210.51.26.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 210.51.27.0/24 (4777 2497 4837 138421)
  210.51.27.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 210.51.26.0/24 (4777 2497 4837 138421)
  210.51.32.0/24       4777 2497 4837 138421   
  210.51.34.0/23       4777 2497 4837 138421   
  210.51.36.0/22       4777 2497 4837 138421   
  210.51.36.0/24       4777 2497 4837 138421 - Withdrawn - matching aggregate 210.51.36.0/22 4777 2497 4837 138421
  210.51.40.0/23       4777 2497 4837 138421 + Announce - aggregate of 210.51.40.0/24 (4777 2497 4837 138421) and 210.51.41.0/24 (4777 2497 4837 138421)
  210.51.40.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 210.51.41.0/24 (4777 2497 4837 138421)
  210.51.41.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 210.51.40.0/24 (4777 2497 4837 138421)
  210.51.46.0/23       4777 2497 4837 138421 + Announce - aggregate of 210.51.46.0/24 (4777 2497 4837 138421) and 210.51.47.0/24 (4777 2497 4837 138421)
  210.51.46.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 210.51.47.0/24 (4777 2497 4837 138421)
  210.51.47.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 210.51.46.0/24 (4777 2497 4837 138421)
  210.51.48.0/21       4777 2497 4837 138421 + Announce - aggregate of 210.51.48.0/22 (4777 2497 4837 138421) and 210.51.52.0/22 (4777 2497 4837 138421)
  210.51.48.0/22       4777 2497 4837 138421 - Withdrawn - aggregated with 210.51.52.0/22 (4777 2497 4837 138421)
  210.51.52.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 210.51.53.0/24 (4777 2497 4837 138421)
  210.51.53.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 210.51.52.0/24 (4777 2497 4837 138421)
  210.51.54.0/23       4777 2497 4837 138421 - Withdrawn - aggregated with 210.51.52.0/23 (4777 2497 4837 138421)
  210.51.56.0/23       4777 2497 4837 138421   
  210.51.59.0/24       4777 2497 4837 138421   
  210.51.61.0/24       4777 2497 4837 138421   
  210.51.62.0/23       4777 2497 4837 138421   
  210.52.212.0/24      4777 2497 4837 138421   
  211.95.22.0/24       4777 2497 4837 138421   
  211.95.54.0/23       4777 2497 4837 138421 + Announce - aggregate of 211.95.54.0/24 (4777 2497 4837 138421) and 211.95.55.0/24 (4777 2497 4837 138421)
  211.95.54.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 211.95.55.0/24 (4777 2497 4837 138421)
  211.95.55.0/24       4777 2497 4837 138421 - Withdrawn - aggregated with 211.95.54.0/24 (4777 2497 4837 138421)
  211.95.60.0/24       4777 2497 4837 138421   
  211.95.73.0/24       4777 2497 4837 138421   
  211.95.75.0/24       4777 2497 4837 138421   
  211.95.76.0/24       4777 2497 4837 138421   
  211.95.79.0/24       4777 2497 4837 138421   
  220.196.42.0/24      4777 2497 4837 138421   
  220.196.53.0/24      4777 2497 4837 138421   
  220.196.58.0/24      4777 2497 4837 138421   
  220.196.88.0/21      4777 2497 4837 138421 + Announce - aggregate of 220.196.88.0/22 (4777 2497 4837 138421) and 220.196.92.0/22 (4777 2497 4837 138421)
  220.196.88.0/24      4777 2497 4837 138421 - Withdrawn - aggregated with 220.196.89.0/24 (4777 2497 4837 138421)
  220.196.89.0/24      4777 2497 4837 138421 - Withdrawn - aggregated with 220.196.88.0/24 (4777 2497 4837 138421)
  220.196.90.0/24      4777 2497 4837 138421 - Withdrawn - aggregated with 220.196.91.0/24 (4777 2497 4837 138421)
  220.196.91.0/24      4777 2497 4837 138421 - Withdrawn - aggregated with 220.196.90.0/24 (4777 2497 4837 138421)
  220.196.92.0/22      4777 2497 4837 138421 - Withdrawn - aggregated with 220.196.88.0/22 (4777 2497 4837 138421)
  220.196.92.0/24      4777 2497 4837 138421 - Withdrawn - matching aggregate 220.196.92.0/22 4777 2497 4837 138421
  220.196.93.0/24      4777 2497 4837 138421 - Withdrawn - matching aggregate 220.196.92.0/22 4777 2497 4837 138421
  220.196.94.0/24      4777 2497 4837 138421 - Withdrawn - matching aggregate 220.196.92.0/22 4777 2497 4837 138421
  220.196.95.0/24      4777 2497 4837 138421 - Withdrawn - matching aggregate 220.196.92.0/22 4777 2497 4837 138421
  220.196.164.0/22     4777 2497 4837 138421   
  220.196.168.0/21     4777 2497 4837 138421 + Announce - aggregate of 220.196.168.0/22 (4777 2497 4837 138421) and 220.196.172.0/22 (4777 2497 4837 138421)
  220.196.168.0/22     4777 2497 4837 138421 - Withdrawn - aggregated with 220.196.172.0/22 (4777 2497 4837 138421)
  220.196.172.0/22     4777 2497 4837 138421 - Withdrawn - aggregated with 220.196.168.0/22 (4777 2497 4837 138421)
  220.196.180.0/22     4777 2497 4837 138421   
  220.196.184.0/21     4777 2497 4837 138421 + Announce - aggregate of 220.196.184.0/22 (4777 2497 4837 138421) and 220.196.188.0/22 (4777 2497 4837 138421)
  220.196.184.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 220.196.185.0/24 (4777 2497 4837 138421)
  220.196.185.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 220.196.184.0/24 (4777 2497 4837 138421)
  220.196.186.0/23     4777 2497 4837 138421 - Withdrawn - aggregated with 220.196.184.0/23 (4777 2497 4837 138421)
  220.196.186.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 220.196.186.0/23 4777 2497 4837 138421
  220.196.187.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 220.196.186.0/23 4777 2497 4837 138421
  220.196.188.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 220.196.189.0/24 (4777 2497 4837 138421)
  220.196.189.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 220.196.188.0/24 (4777 2497 4837 138421)
  220.196.190.0/23     4777 2497 4837 138421 - Withdrawn - aggregated with 220.196.188.0/23 (4777 2497 4837 138421)
  220.196.224.0/19     4777 2497 4837 138421   
  220.196.240.0/21     4777 2497 4837 138421 - Withdrawn - matching aggregate 220.196.224.0/19 4777 2497 4837 138421
  220.196.240.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 220.196.224.0/19 4777 2497 4837 138421
  220.196.241.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 220.196.224.0/19 4777 2497 4837 138421
  220.196.242.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 220.196.224.0/19 4777 2497 4837 138421
  220.196.243.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 220.196.224.0/19 4777 2497 4837 138421
  220.196.244.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 220.196.224.0/19 4777 2497 4837 138421
  220.196.245.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 220.196.224.0/19 4777 2497 4837 138421
  220.196.246.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 220.196.224.0/19 4777 2497 4837 138421
  220.196.247.0/24     4777 2497 4837 138421 - Withdrawn - matching aggregate 220.196.224.0/19 4777 2497 4837 138421
  220.196.248.0/22     4777 2497 4837 138421 - Withdrawn - matching aggregate 220.196.224.0/19 4777 2497 4837 138421
  223.167.85.0/24      4777 2497 4837 138421   
  223.167.106.0/23     4777 2497 4837 138421 + Announce - aggregate of 223.167.106.0/24 (4777 2497 4837 138421) and 223.167.107.0/24 (4777 2497 4837 138421)
  223.167.106.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 223.167.107.0/24 (4777 2497 4837 138421)
  223.167.107.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 223.167.106.0/24 (4777 2497 4837 138421)
  223.167.108.0/22     4777 2497 4837 138421 + Announce - aggregate of 223.167.108.0/23 (4777 2497 4837 138421) and 223.167.110.0/23 (4777 2497 4837 138421)
  223.167.108.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 223.167.109.0/24 (4777 2497 4837 138421)
  223.167.109.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 223.167.108.0/24 (4777 2497 4837 138421)
  223.167.110.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 223.167.111.0/24 (4777 2497 4837 138421)
  223.167.111.0/24     4777 2497 4837 138421 - Withdrawn - aggregated with 223.167.110.0/24 (4777 2497 4837 138421)

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

AS138421   205 More Specifics   209 Total Advertisements   CU-CN-AS China Unicom, CN
    43.240.125.0/24               43.240.124.0/22
    43.240.128.0/23               43.240.128.0/22
    43.240.130.0/23               43.240.128.0/22
    43.254.104.0/24               43.254.104.0/22
    43.254.105.0/24               43.254.104.0/22
    43.254.144.0/24               43.254.144.0/22
    43.254.145.0/24               43.254.144.0/22
    43.254.146.0/24               43.254.144.0/22
    43.254.147.0/24               43.254.144.0/22
    45.253.24.0/24                45.253.24.0/22
    45.253.25.0/24                45.253.24.0/22
    45.253.32.0/24                45.253.32.0/22
    58.246.165.0/24               58.246.0.0/15
    58.246.207.0/24               58.246.0.0/15
    58.247.254.0/23               58.246.0.0/15
    103.36.174.0/23               103.36.172.0/22
    103.220.167.0/24              103.220.164.0/22
    112.64.32.0/24                112.64.0.0/15
    112.64.33.0/24                112.64.0.0/15
    112.64.34.0/24                112.64.0.0/15
    112.64.35.0/24                112.64.0.0/15
    112.64.45.0/24                112.64.0.0/15
    112.64.64.0/24                112.64.0.0/15
    112.64.112.0/22               112.64.0.0/15
    112.64.212.0/22               112.64.0.0/15
    112.65.64.0/24                112.64.0.0/15
    112.65.66.0/24                112.64.0.0/15
    112.65.72.0/24                112.64.0.0/15
    112.65.73.0/24                112.64.0.0/15
    112.65.74.0/24                112.64.0.0/15
    112.65.75.0/24                112.64.0.0/15
    112.65.94.0/24                112.64.0.0/15
    112.65.112.0/24               112.64.0.0/15
    112.65.116.0/23               112.64.0.0/15
    112.65.116.0/24               112.64.0.0/15
    112.65.117.0/24               112.64.0.0/15
    112.65.216.0/24               112.64.0.0/15
    112.65.217.0/24               112.64.0.0/15
    112.65.219.0/24               112.64.0.0/15
    112.65.220.0/24               112.64.0.0/15
    112.65.222.0/23               112.64.0.0/15
    112.65.222.0/24               112.64.0.0/15
    112.65.223.0/24               112.64.0.0/15
    112.65.224.0/23               112.64.0.0/15
    112.65.226.0/24               112.64.0.0/15
    112.65.227.0/24               112.64.0.0/15
    112.65.228.0/22               112.64.0.0/15
    112.65.232.0/23               112.64.0.0/15
    112.65.235.0/24               112.64.0.0/15
    112.65.237.0/24               112.64.0.0/15
    112.65.238.0/24               112.64.0.0/15
    112.65.240.0/20               112.64.0.0/15
    116.128.149.0/24              116.128.0.0/10
    116.128.189.0/24              116.128.0.0/10
    116.128.190.0/23              116.128.0.0/10
    116.128.190.0/24              116.128.0.0/10
    116.128.191.0/24              116.128.0.0/10
    139.227.231.0/24              139.226.0.0/15
    140.206.167.0/24              140.206.0.0/15
    140.206.200.0/22              140.206.0.0/15
    140.206.200.0/24              140.206.0.0/15
    140.206.201.0/24              140.206.0.0/15
    140.206.202.0/24              140.206.0.0/15
    140.206.203.0/24              140.206.0.0/15
    140.206.204.0/24              140.206.0.0/15
    140.206.208.0/23              140.206.0.0/15
    140.206.211.0/24              140.206.0.0/15
    140.206.212.0/22              140.206.0.0/15
    140.206.212.0/24              140.206.0.0/15
    140.206.213.0/24              140.206.0.0/15
    140.206.216.0/22              140.206.0.0/15
    140.206.219.0/24              140.206.0.0/15
    140.206.228.0/24              140.206.0.0/15
    140.206.229.0/24              140.206.0.0/15
    140.206.230.0/24              140.206.0.0/15
    140.206.231.0/24              140.206.0.0/15
    140.206.232.0/24              140.206.0.0/15
    140.206.234.0/24              140.206.0.0/15
    140.206.238.0/24              140.206.0.0/15
    140.206.240.0/22              140.206.0.0/15
    140.206.244.0/24              140.206.0.0/15
    140.206.247.0/24              140.206.0.0/15
    140.207.69.0/24               140.206.0.0/15
    140.207.70.0/24               140.206.0.0/15
    140.207.72.0/24               140.206.0.0/15
    140.207.73.0/24               140.206.0.0/15
    140.207.130.0/24              140.206.0.0/15
    140.207.131.0/24              140.206.0.0/15
    140.207.134.0/24              140.206.0.0/15
    140.207.135.0/24              140.206.0.0/15
    140.207.138.0/23              140.206.0.0/15
    140.207.140.0/23              140.206.0.0/15
    140.207.208.0/21              140.206.0.0/15
    140.207.208.0/24              140.206.0.0/15
    140.207.209.0/24              140.206.0.0/15
    140.207.210.0/24              140.206.0.0/15
    140.207.211.0/24              140.206.0.0/15
    140.207.212.0/24              140.206.0.0/15
    140.207.213.0/24              140.206.0.0/15
    140.207.214.0/24              140.206.0.0/15
    140.207.215.0/24              140.206.0.0/15
    140.207.216.0/21              140.206.0.0/15
    140.207.216.0/22              140.206.0.0/15
    140.207.216.0/24              140.206.0.0/15
    140.207.217.0/24              140.206.0.0/15
    140.207.218.0/24              140.206.0.0/15
    140.207.219.0/24              140.206.0.0/15
    140.207.220.0/22              140.206.0.0/15
    140.207.220.0/24              140.206.0.0/15
    140.207.224.0/21              140.206.0.0/15
    140.207.233.0/24              140.206.0.0/15
    140.207.235.0/24              140.206.0.0/15
    140.207.237.0/24              140.206.0.0/15
    140.207.238.0/23              140.206.0.0/15
    140.207.240.0/23              140.206.0.0/15
    140.207.241.0/24              140.206.0.0/15
    140.207.244.0/23              140.206.0.0/15
    140.207.245.0/24              140.206.0.0/15
    140.207.246.0/24              140.206.0.0/15
    140.207.248.0/23              140.206.0.0/15
    140.207.249.0/24              140.206.0.0/15
    140.207.251.0/24              140.206.0.0/15
    140.207.252.0/22              140.206.0.0/15
    140.207.255.0/24              140.206.0.0/15
    203.166.160.0/22              203.166.160.0/19
    203.166.165.0/24              203.166.160.0/19
    203.166.166.0/24              203.166.160.0/19
    203.166.172.0/24              203.166.160.0/19
    203.166.177.0/24              203.166.160.0/19
    203.166.186.0/23              203.166.160.0/19
    203.166.188.0/24              203.166.160.0/19
    203.166.189.0/24              203.166.160.0/19
    203.166.191.0/24              203.166.160.0/19
    210.22.165.0/24               210.22.0.0/16
    210.51.20.0/22                210.51.0.0/16
    210.51.25.0/24                210.51.0.0/16
    210.51.26.0/24                210.51.0.0/16
    210.51.27.0/24                210.51.0.0/16
    210.51.32.0/24                210.51.0.0/16
    210.51.34.0/23                210.51.0.0/16
    210.51.36.0/22                210.51.0.0/16
    210.51.36.0/24                210.51.0.0/16
    210.51.40.0/24                210.51.0.0/16
    210.51.41.0/24                210.51.0.0/16
    210.51.46.0/24                210.51.0.0/16
    210.51.47.0/24                210.51.0.0/16
    210.51.48.0/22                210.51.0.0/16
    210.51.52.0/24                210.51.0.0/16
    210.51.53.0/24                210.51.0.0/16
    210.51.54.0/23                210.51.0.0/16
    210.51.56.0/23                210.51.0.0/16
    210.51.59.0/24                210.51.0.0/16
    210.51.61.0/24                210.51.0.0/16
    210.51.62.0/23                210.51.0.0/16
    210.52.212.0/24               210.52.128.0/17
    211.95.22.0/24                211.94.0.0/15
    211.95.54.0/24                211.94.0.0/15
    211.95.55.0/24                211.94.0.0/15
    211.95.60.0/24                211.94.0.0/15
    211.95.73.0/24                211.94.0.0/15
    211.95.75.0/24                211.94.0.0/15
    211.95.76.0/24                211.94.0.0/15
    211.95.79.0/24                211.94.0.0/15
    220.196.42.0/24               220.196.0.0/14
    220.196.53.0/24               220.196.0.0/14
    220.196.58.0/24               220.196.0.0/14
    220.196.88.0/24               220.196.0.0/14
    220.196.89.0/24               220.196.0.0/14
    220.196.90.0/24               220.196.0.0/14
    220.196.91.0/24               220.196.0.0/14
    220.196.92.0/22               220.196.0.0/14
    220.196.92.0/24               220.196.0.0/14
    220.196.93.0/24               220.196.0.0/14
    220.196.94.0/24               220.196.0.0/14
    220.196.95.0/24               220.196.0.0/14
    220.196.164.0/22              220.196.0.0/14
    220.196.168.0/22              220.196.0.0/14
    220.196.172.0/22              220.196.0.0/14
    220.196.180.0/22              220.196.0.0/14
    220.196.184.0/24              220.196.0.0/14
    220.196.185.0/24              220.196.0.0/14
    220.196.186.0/23              220.196.0.0/14
    220.196.186.0/24              220.196.0.0/14
    220.196.187.0/24              220.196.0.0/14
    220.196.188.0/24              220.196.0.0/14
    220.196.189.0/24              220.196.0.0/14
    220.196.190.0/23              220.196.0.0/14
    220.196.224.0/19              220.196.0.0/14
    220.196.240.0/21              220.196.0.0/14
    220.196.240.0/24              220.196.0.0/14
    220.196.241.0/24              220.196.0.0/14
    220.196.242.0/24              220.196.0.0/14
    220.196.243.0/24              220.196.0.0/14
    220.196.244.0/24              220.196.0.0/14
    220.196.245.0/24              220.196.0.0/14
    220.196.246.0/24              220.196.0.0/14
    220.196.247.0/24              220.196.0.0/14
    220.196.248.0/22              220.196.0.0/14
    223.167.85.0/24               223.166.0.0/15
    223.167.106.0/24              223.166.0.0/15
    223.167.107.0/24              223.166.0.0/15
    223.167.108.0/24              223.166.0.0/15
    223.167.109.0/24              223.166.0.0/15
    223.167.110.0/24              223.166.0.0/15
    223.167.111.0/24              223.166.0.0/15

Whois Entry

whois: 402332

IANA has recorded AS138421 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS138421\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS137530 - AS138553'
             
             as-block:       AS137530 - AS138553
             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:  2017-12-08T06:45:58Z
             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 'AS138421'
             
             % Abuse contact for 'AS138421' is 'zhaoyz3@chinaunicom.cn'
             
             aut-num:        AS138421
             as-name:        CU-CN-AS
             descr:          China Unicom
             descr:          A1218, China Unicom
             descr:          No.21, Jin-Rong Street
             country:        CN
             org:            ORG-CU1-AP
             admin-c:        CH1302-AP
             tech-c:         CH1302-AP
             abuse-c:        AC1718-AP
             notify:         zhouxm@chinaunicom.cn
             mnt-lower:      MAINT-CN-CUCGROUP
             mnt-routes:     MAINT-CN-CUCGROUP
             mnt-by:         APNIC-HM
             mnt-irt:        IRT-CU-CN
             last-modified:  2023-10-21T03:33:17Z
             source:         APNIC
             
             irt:            IRT-CU-CN
             address:        No.21,Financial Street
             address:        Beijing,100033
             address:        P.R.China
             e-mail:         zhaoyz3@chinaunicom.cn
             abuse-mailbox:  zhaoyz3@chinaunicom.cn
             admin-c:        CH1302-AP
             tech-c:         CH1302-AP
             auth:           # Filtered
             remarks:        zhaoyz3@chinaunicom.cn was validated on 2025-10-17
             mnt-by:         MAINT-CNCGROUP
             last-modified:  2025-11-18T00:26:20Z
             source:         APNIC
             
             organisation:   ORG-CU1-AP
             org-name:       China Unicom
             country:        CN
             address:        B811&A1218, China Unicom
             address:        No.21, Jin-Rong Street
             phone:          +86-10-66259626
             fax-no:         +86-10-66259154
             e-mail:         zhaoyz3@chinaunicom.cn
             mnt-ref:        APNIC-HM
             mnt-by:         APNIC-HM
             last-modified:  2019-12-25T12:55:24Z
             source:         APNIC
             
             role:           ABUSE CUCN
             country:        ZZ
             address:        No.21,Financial Street
             address:        Beijing,100033
             address:        P.R.China
             phone:          +000000000
             e-mail:         zhaoyz3@chinaunicom.cn
             admin-c:        CH1302-AP
             tech-c:         CH1302-AP
             nic-hdl:        AC1718-AP
             remarks:        Generated from irt object IRT-CU-CN
             remarks:        zhaoyz3@chinaunicom.cn was validated on 2025-10-17
             abuse-mailbox:  zhaoyz3@chinaunicom.cn
             mnt-by:         APNIC-ABUSE
             last-modified:  2025-10-17T02:26:56Z
             source:         APNIC
             
             person:         ChinaUnicom Hostmaster
             nic-hdl:        CH1302-AP
             e-mail:         hqs-ipabuse@chinaunicom.cn
             address:        No.21,Jin-Rong Street
             address:        Beijing,100033
             address:        P.R.China
             phone:          +86-10-66259764
             fax-no:         +86-10-66259764
             country:        CN
             mnt-by:         MAINT-CNCGROUP
             last-modified:  2017-08-17T06:13:16Z
             source:         APNIC
             
             % Information related to 'AS137530 - AS138553'
             
             as-block:       AS137530 - AS138553
             descr:          APNIC ASN block
             admin-c:        IA55-AP
             tech-c:         IH123-AP
             mnt-by:         MNT-APJII-ID
             mnt-lower:      MNT-APJII-ID
             last-modified:  2026-02-16T12:29:14Z
             source:         IDNIC
             
             role:           ID-NIC ADMINISTRATORS
             address:        Indonesian Network Information Center
             address:        ID-NIC
             address:        Cyber Building 11th Floor
             address:        Jakarta 12710
             country:        ID
             phone:          +62-21-52960634
             fax-no:         +62-21-52960635
             e-mail:         hostmaster@idnic.net
             admin-c:        IH288-AP
             tech-c:         IH288-AP
             nic-hdl:        IA55-AP
             notify:         hostmaster@idnic.net
             mnt-by:         MNT-APJII-ID
             last-modified:  2026-02-25T04:06:45Z
             source:         IDNIC
             
             role:           ID-NIC HOSTMASTERS
             address:        Indonesian Network Information Center
             address:        ID-NIC
             address:        Cyber Building 11th Floor
             address:        Jakarta 12710
             country:        ID
             phone:          +62-21-52960634
             fax-no:         +62-21-52960635
             e-mail:         hostmaster@idnic.net
             remarks:        spam and abuse report : abuse@apjii.or.id
             remarks:        technical and routing : support@apjii.or.id
             remarks:        administrative request : admin@apjii.or.id
             remarks:        IDNIC hostmasters role object
             admin-c:        IH1-AP
             tech-c:         IH1-AP
             nic-hdl:        IH123-AP
             notify:         hostmaster@idnic.net
             mnt-by:         MNT-APJII-ID
             last-modified:  2024-07-10T05:48:59Z
             source:         IDNIC
             
             % This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)