Report for 45588

Name

BTCL-ISP-AS Bangladesh Telecommunications Company Limited BTCL, Nationwide PSTN Operator and Data and Internet Service Provider., BD

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.

45588 BTCL-ISP-AS Bangladesh Telecommunications Company Limited BTCL, Nationwide PSTN Operator and Data and Internet Service Provider., BD

  Adjacency:    17  Upstream:     1  Downstream:    16
  Upstream Adjacent AS list
    AS17494         BTTB-AS-AP Telecom Operator & Internet Service Provider as well, BD
  Downstream Adjacent AS list
    AS150442        BFSACD-AS-AP Bangladesh Fire Service and Civil Defense, BD
    AS149445        PATRIOT1-AS-AP Patriot Technologies, BD
    AS149425        NNSS-AS-AP Nazrul Network Service@Saidpur, BD
    AS137059        EASYNET1-AS-AP Easy Net, BD
    AS134585        DDNCOMMUNICATION-AS-AP DDN Communication, BD
    AS133766        SPEED4-AS-AP SPEED ONE, BD
    AS139773        BANBEIS-AS-AP Bangladesh Bureau of Educational Information and Statistics, BD
    AS141438        BANGLADESHSEZLTD-AS-AP Bangladesh SEZ Ltd., BD
    AS150304        BANGLADESH10-AS-AP Bangladesh Television, BD
    AS139807        PIONEERIT-AS-AP Pioneer IT, BD
    AS139771        ALPHA-AS-AP Alpha Network, BD
    AS137706        NATIONAL-UNIVERSITY-AS-AP National University, BD
    AS137568        SKYSYSTEMSLTD-AS-AP SKY SYSTEMS LTD, BD
    AS153550        SPIDERNETWORKS-AS-AP Spider Networks, BD
    AS63932         BCC-BD Bangladesh Computer Council, BD
    AS150352        SKYBUSINESSCENTER-AS-AP Sky Business Center, BD

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4281  AS45588        ORG+TRN Originate:      52224 /16.33  Transit:       8960 /18.87 BTCL-ISP-AS Bangladesh Telecommunications Company Limited BTCL, Nationwide PSTN Operator and Data and Internet Service Provider., BD

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       %
  821 AS45588       BTCL-ISP-AS Bangladesh Telecommunications Com    107     92     14     29     78  72.90%


  Prefix               AS Path                              Aggregation Suggestion
  114.130.128.0/19     4608 9498 17494 45588 + Announce - aggregate of 114.130.128.0/20 (4608 9498 17494 45588) and 114.130.144.0/20 (4608 9498 17494 45588)
  114.130.128.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.129.0/24 (4608 9498 17494 45588)
  114.130.129.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.128.0/24 (4608 9498 17494 45588)
  114.130.130.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.131.0/24 (4608 9498 17494 45588)
  114.130.131.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.130.0/24 (4608 9498 17494 45588)
  114.130.132.0/22     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.128.0/22 (4608 9498 17494 45588)
  114.130.136.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.137.0/24 (4608 9498 17494 45588)
  114.130.137.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.136.0/24 (4608 9498 17494 45588)
  114.130.138.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.139.0/24 (4608 9498 17494 45588)
  114.130.139.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.138.0/24 (4608 9498 17494 45588)
  114.130.140.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.141.0/24 (4608 9498 17494 45588)
  114.130.141.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.140.0/24 (4608 9498 17494 45588)
  114.130.142.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.143.0/24 (4608 9498 17494 45588)
  114.130.143.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.142.0/24 (4608 9498 17494 45588)
  114.130.144.0/22     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.148.0/22 (4608 9498 17494 45588)
  114.130.148.0/22     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.144.0/22 (4608 9498 17494 45588)
  114.130.152.0/22     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.156.0/22 (4608 9498 17494 45588)
  114.130.152.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 114.130.152.0/22 4608 9498 17494 45588
  114.130.155.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 114.130.152.0/22 4608 9498 17494 45588
  114.130.156.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.157.0/24 (4608 9498 17494 45588)
  114.130.157.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.156.0/24 (4608 9498 17494 45588)
  114.130.158.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.159.0/24 (4608 9498 17494 45588)
  114.130.159.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.158.0/24 (4608 9498 17494 45588)
  114.130.160.0/23     4608 9498 17494 45588 + Announce - aggregate of 114.130.160.0/24 (4608 9498 17494 45588) and 114.130.161.0/24 (4608 9498 17494 45588)
  114.130.160.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.161.0/24 (4608 9498 17494 45588)
  114.130.161.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.160.0/24 (4608 9498 17494 45588)
  114.130.162.0/24     4608 9498 17494 45588   
  114.130.164.0/23     4608 9498 17494 45588 + Announce - aggregate of 114.130.164.0/24 (4608 9498 17494 45588) and 114.130.165.0/24 (4608 9498 17494 45588)
  114.130.164.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.165.0/24 (4608 9498 17494 45588)
  114.130.165.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.164.0/24 (4608 9498 17494 45588)
  114.130.166.0/24     4608 9498 17494 45588   
  114.130.168.0/23     4608 9498 17494 45588 + Announce - aggregate of 114.130.168.0/24 (4608 9498 17494 45588) and 114.130.169.0/24 (4608 9498 17494 45588)
  114.130.168.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.169.0/24 (4608 9498 17494 45588)
  114.130.169.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.168.0/24 (4608 9498 17494 45588)
  114.130.171.0/24     4608 9498 17494 45588   
  114.130.172.0/22     4608 9498 17494 45588 + Announce - aggregate of 114.130.172.0/23 (4608 9498 17494 45588) and 114.130.174.0/23 (4608 9498 17494 45588)
  114.130.172.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.173.0/24 (4608 9498 17494 45588)
  114.130.173.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.172.0/24 (4608 9498 17494 45588)
  114.130.174.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.175.0/24 (4608 9498 17494 45588)
  114.130.175.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.174.0/24 (4608 9498 17494 45588)
  114.130.176.0/23     4608 9498 17494 45588 + Announce - aggregate of 114.130.176.0/24 (4608 9498 17494 45588) and 114.130.177.0/24 (4608 9498 17494 45588)
  114.130.176.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.177.0/24 (4608 9498 17494 45588)
  114.130.177.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.176.0/24 (4608 9498 17494 45588)
  114.130.180.0/22     4608 9498 17494 45588 + Announce - aggregate of 114.130.180.0/23 (4608 9498 17494 45588) and 114.130.182.0/23 (4608 9498 17494 45588)
  114.130.180.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.181.0/24 (4608 9498 17494 45588)
  114.130.181.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.180.0/24 (4608 9498 17494 45588)
  114.130.182.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.183.0/24 (4608 9498 17494 45588)
  114.130.183.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.182.0/24 (4608 9498 17494 45588)
  114.130.184.0/21     4608 9498 17494 45588 + Announce - aggregate of 114.130.184.0/22 (4608 9498 17494 45588) and 114.130.188.0/22 (4608 9498 17494 45588)
  114.130.184.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.185.0/24 (4608 9498 17494 45588)
  114.130.185.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.184.0/24 (4608 9498 17494 45588)
  114.130.186.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.187.0/24 (4608 9498 17494 45588)
  114.130.187.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.186.0/24 (4608 9498 17494 45588)
  114.130.188.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.189.0/24 (4608 9498 17494 45588)
  114.130.189.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.188.0/24 (4608 9498 17494 45588)
  114.130.190.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.191.0/24 (4608 9498 17494 45588)
  114.130.191.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 114.130.190.0/24 (4608 9498 17494 45588)
  180.211.128.0/18     4608 9498 17494 45588 + Announce - aggregate of 180.211.128.0/19 (4608 9498 17494 45588) and 180.211.160.0/19 (4608 9498 17494 45588)
  180.211.128.0/19     4608 9498 17494 45588 - Withdrawn - aggregated with 180.211.160.0/19 (4608 9498 17494 45588)
  180.211.129.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.128.0/19 4608 9498 17494 45588
  180.211.134.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.128.0/19 4608 9498 17494 45588
  180.211.135.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.128.0/19 4608 9498 17494 45588
  180.211.137.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.128.0/19 4608 9498 17494 45588
  180.211.141.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.128.0/19 4608 9498 17494 45588
  180.211.142.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.128.0/19 4608 9498 17494 45588
  180.211.143.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.128.0/19 4608 9498 17494 45588
  180.211.144.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.128.0/19 4608 9498 17494 45588
  180.211.145.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.128.0/19 4608 9498 17494 45588
  180.211.146.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.128.0/19 4608 9498 17494 45588
  180.211.147.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.128.0/19 4608 9498 17494 45588
  180.211.152.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.128.0/19 4608 9498 17494 45588
  180.211.154.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.128.0/19 4608 9498 17494 45588
  180.211.159.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.128.0/19 4608 9498 17494 45588
  180.211.160.0/19     4608 9498 17494 45588 - Withdrawn - aggregated with 180.211.128.0/19 (4608 9498 17494 45588)
  180.211.161.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.160.0/19 4608 9498 17494 45588
  180.211.173.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.160.0/19 4608 9498 17494 45588
  180.211.181.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.160.0/19 4608 9498 17494 45588
  180.211.186.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.160.0/19 4608 9498 17494 45588
  180.211.187.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.160.0/19 4608 9498 17494 45588
  180.211.191.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.160.0/19 4608 9498 17494 45588
  180.211.192.0/21     4608 9498 17494 45588   
  180.211.192.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.192.0/21 4608 9498 17494 45588
  180.211.193.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.192.0/21 4608 9498 17494 45588
  180.211.195.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.192.0/21 4608 9498 17494 45588
  180.211.196.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.192.0/21 4608 9498 17494 45588
  180.211.197.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.192.0/21 4608 9498 17494 45588
  180.211.199.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.192.0/21 4608 9498 17494 45588
  180.211.205.0/24     4608 9498 17494 45588   
  180.211.207.0/24     4608 9498 17494 45588   
  180.211.210.0/23     4608 9498 17494 45588 + Announce - aggregate of 180.211.210.0/24 (4608 9498 17494 45588) and 180.211.211.0/24 (4608 9498 17494 45588)
  180.211.210.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 180.211.211.0/24 (4608 9498 17494 45588)
  180.211.211.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 180.211.210.0/24 (4608 9498 17494 45588)
  180.211.214.0/23     4608 9498 17494 45588 + Announce - aggregate of 180.211.214.0/24 (4608 9498 17494 45588) and 180.211.215.0/24 (4608 9498 17494 45588)
  180.211.214.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 180.211.215.0/24 (4608 9498 17494 45588)
  180.211.215.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 180.211.214.0/24 (4608 9498 17494 45588)
  180.211.219.0/24     4608 9498 17494 45588   
  180.211.227.0/24     4608 9498 17494 45588   
  180.211.228.0/24     4608 9498 17494 45588   
  180.211.232.0/23     4608 9498 17494 45588 + Announce - aggregate of 180.211.232.0/24 (4608 9498 17494 45588) and 180.211.233.0/24 (4608 9498 17494 45588)
  180.211.232.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 180.211.233.0/24 (4608 9498 17494 45588)
  180.211.233.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 180.211.232.0/24 (4608 9498 17494 45588)
  180.211.237.0/24     4608 9498 17494 45588   
  180.211.238.0/23     4608 9498 17494 45588 + Announce - aggregate of 180.211.238.0/24 (4608 9498 17494 45588) and 180.211.239.0/24 (4608 9498 17494 45588)
  180.211.238.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 180.211.239.0/24 (4608 9498 17494 45588)
  180.211.239.0/24     4608 9498 17494 45588 - Withdrawn - aggregated with 180.211.238.0/24 (4608 9498 17494 45588)
  180.211.243.0/24     4608 9498 17494 45588   
  180.211.247.0/24     4608 9498 17494 45588   
  180.211.248.0/21     4608 9498 17494 45588   
  180.211.248.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.248.0/21 4608 9498 17494 45588
  180.211.249.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.248.0/21 4608 9498 17494 45588
  180.211.250.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.248.0/21 4608 9498 17494 45588
  180.211.254.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.248.0/21 4608 9498 17494 45588
  180.211.255.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 180.211.248.0/21 4608 9498 17494 45588
  203.112.200.0/22     4608 9498 17494 45588   
  203.112.206.0/24     4608 9498 17494 45588   
  203.112.208.0/21     4608 9498 17494 45588 + Announce - aggregate of 203.112.208.0/22 (4608 9498 17494 45588) and 203.112.212.0/22 (4608 9498 17494 45588)
  203.112.208.0/22     4608 9498 17494 45588 - Withdrawn - aggregated with 203.112.212.0/22 (4608 9498 17494 45588)
  203.112.210.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 203.112.208.0/22 4608 9498 17494 45588
  203.112.211.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 203.112.208.0/22 4608 9498 17494 45588
  203.112.212.0/22     4608 9498 17494 45588 - Withdrawn - aggregated with 203.112.208.0/22 (4608 9498 17494 45588)
  203.112.213.0/24     4608 9498 17494 45588 - Withdrawn - matching aggregate 203.112.212.0/22 4608 9498 17494 45588

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

AS45588   107 More Specifics   107 Total Advertisements   BTCL-ISP-AS Bangladesh Telecommunications Company Limited BTCL, Nationwide PSTN Operator and Data and Internet Service Provider., BD
    114.130.128.0/24              114.130.128.0/18
    114.130.129.0/24              114.130.128.0/18
    114.130.130.0/24              114.130.128.0/18
    114.130.131.0/24              114.130.128.0/18
    114.130.132.0/22              114.130.128.0/18
    114.130.136.0/24              114.130.128.0/18
    114.130.137.0/24              114.130.128.0/18
    114.130.138.0/24              114.130.128.0/18
    114.130.139.0/24              114.130.128.0/18
    114.130.140.0/24              114.130.128.0/18
    114.130.141.0/24              114.130.128.0/18
    114.130.142.0/24              114.130.128.0/18
    114.130.143.0/24              114.130.128.0/18
    114.130.144.0/22              114.130.128.0/18
    114.130.148.0/22              114.130.128.0/18
    114.130.152.0/22              114.130.128.0/18
    114.130.152.0/24              114.130.128.0/18
    114.130.155.0/24              114.130.128.0/18
    114.130.156.0/24              114.130.128.0/18
    114.130.157.0/24              114.130.128.0/18
    114.130.158.0/24              114.130.128.0/18
    114.130.159.0/24              114.130.128.0/18
    114.130.160.0/24              114.130.128.0/18
    114.130.161.0/24              114.130.128.0/18
    114.130.162.0/24              114.130.128.0/18
    114.130.164.0/24              114.130.128.0/18
    114.130.165.0/24              114.130.128.0/18
    114.130.166.0/24              114.130.128.0/18
    114.130.168.0/24              114.130.128.0/18
    114.130.169.0/24              114.130.128.0/18
    114.130.171.0/24              114.130.128.0/18
    114.130.172.0/24              114.130.128.0/18
    114.130.173.0/24              114.130.128.0/18
    114.130.174.0/24              114.130.128.0/18
    114.130.175.0/24              114.130.128.0/18
    114.130.176.0/24              114.130.128.0/18
    114.130.177.0/24              114.130.128.0/18
    114.130.180.0/24              114.130.128.0/18
    114.130.181.0/24              114.130.128.0/18
    114.130.182.0/24              114.130.128.0/18
    114.130.183.0/24              114.130.128.0/18
    114.130.184.0/24              114.130.128.0/18
    114.130.185.0/24              114.130.128.0/18
    114.130.186.0/24              114.130.128.0/18
    114.130.187.0/24              114.130.128.0/18
    114.130.188.0/24              114.130.128.0/18
    114.130.189.0/24              114.130.128.0/18
    114.130.190.0/24              114.130.128.0/18
    114.130.191.0/24              114.130.128.0/18
    180.211.128.0/19              180.211.128.0/17
    180.211.129.0/24              180.211.128.0/17
    180.211.134.0/24              180.211.128.0/17
    180.211.135.0/24              180.211.128.0/17
    180.211.137.0/24              180.211.128.0/17
    180.211.141.0/24              180.211.128.0/17
    180.211.142.0/24              180.211.128.0/17
    180.211.143.0/24              180.211.128.0/17
    180.211.144.0/24              180.211.128.0/17
    180.211.145.0/24              180.211.128.0/17
    180.211.146.0/24              180.211.128.0/17
    180.211.147.0/24              180.211.128.0/17
    180.211.152.0/24              180.211.128.0/17
    180.211.154.0/24              180.211.128.0/17
    180.211.159.0/24              180.211.128.0/17
    180.211.160.0/19              180.211.128.0/17
    180.211.161.0/24              180.211.128.0/17
    180.211.173.0/24              180.211.128.0/17
    180.211.181.0/24              180.211.128.0/17
    180.211.186.0/24              180.211.128.0/17
    180.211.187.0/24              180.211.128.0/17
    180.211.191.0/24              180.211.128.0/17
    180.211.192.0/21              180.211.128.0/17
    180.211.192.0/24              180.211.128.0/17
    180.211.193.0/24              180.211.128.0/17
    180.211.195.0/24              180.211.128.0/17
    180.211.196.0/24              180.211.128.0/17
    180.211.197.0/24              180.211.128.0/17
    180.211.199.0/24              180.211.128.0/17
    180.211.205.0/24              180.211.128.0/17
    180.211.207.0/24              180.211.128.0/17
    180.211.210.0/24              180.211.128.0/17
    180.211.211.0/24              180.211.128.0/17
    180.211.214.0/24              180.211.128.0/17
    180.211.215.0/24              180.211.128.0/17
    180.211.219.0/24              180.211.128.0/17
    180.211.227.0/24              180.211.128.0/17
    180.211.228.0/24              180.211.128.0/17
    180.211.232.0/24              180.211.128.0/17
    180.211.233.0/24              180.211.128.0/17
    180.211.237.0/24              180.211.128.0/17
    180.211.238.0/24              180.211.128.0/17
    180.211.239.0/24              180.211.128.0/17
    180.211.243.0/24              180.211.128.0/17
    180.211.247.0/24              180.211.128.0/17
    180.211.248.0/21              180.211.128.0/17
    180.211.248.0/24              180.211.128.0/17
    180.211.249.0/24              180.211.128.0/17
    180.211.250.0/24              180.211.128.0/17
    180.211.254.0/24              180.211.128.0/17
    180.211.255.0/24              180.211.128.0/17
    203.112.200.0/22              203.112.192.0/20
    203.112.206.0/24              203.112.192.0/20
    203.112.208.0/22              203.112.208.0/20
    203.112.210.0/24              203.112.208.0/20
    203.112.211.0/24              203.112.208.0/20
    203.112.212.0/22              203.112.208.0/20
    203.112.213.0/24              203.112.208.0/20

Whois Entry

whois: 402332

IANA has recorded AS45588 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS45588\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS45056 - AS46079'
             
             as-block:       AS45056 - AS46079
             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:  2009-09-29T05:48:11Z
             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 'AS45588'
             
             % Abuse contact for 'AS45588' is 'irt@btcl.gov.bd'
             
             aut-num:        AS45588
             as-name:        BTCL-ISP-AS
             descr:          Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.
             country:        BD
             org:            ORG-BTTB1-AP
             admin-c:        HA128-AP
             tech-c:         RM324-AP
             tech-c:         SR42-AP
             tech-c:         MR209-AP
             abuse-c:        AB1235-AP
             notify:         detelex@bttb.net.bd
             notify:         sayed@bttb.net.bd
             notify:         atique05@btcl.net.bd
             mnt-lower:      MAINT-BD-BTTB
             mnt-routes:     MAINT-BD-BTTB
             mnt-by:         APNIC-HM
             mnt-irt:        IRT-BTTB-BD
             last-modified:  2021-01-18T01:59:51Z
             source:         APNIC
             
             irt:            IRT-BTTB-BD
             address:        Data and Internet Service
             address:        Bangladesh Telecommunications Company Ltd
             address:        Moghbazar Telephone Bhaban, Dhaka
             address:
             address:
             e-mail:         uzzal18@gmail.com
             abuse-mailbox:  irt@btcl.gov.bd
             admin-c:        HA128-AP
             tech-c:         MR209-AP
             auth:           # Filtered
             remarks:        uzzal18@gmail.comd
             remarks:        irt@btcl.cov.bd
             remarks:        uzzal18@btcl.gov.bd
             remarks:        irt@btcl.gov.bd was validated on 2026-01-05
             remarks:        uzzal18@gmail.com was validated on 2026-03-31
             mnt-by:         MAINT-BD-BTTB
             last-modified:  2026-03-31T05:51:20Z
             source:         APNIC
             
             organisation:   ORG-BTTB1-AP
             org-name:       Bangladesh Telegraph & Telephone Board
             org-type:       LIR
             country:        BD
             address:        Telejogajog Bhaban
             address:        37/E, Eskaton Garden
             phone:          +880-2-8311500
             fax-no:         +880-2-9320002
             e-mail:         md@btcl.com.bd
             mnt-ref:        APNIC-HM
             mnt-by:         APNIC-HM
             last-modified:  2023-09-05T02:14:44Z
             source:         APNIC
             
             role:           ABUSE BTTBBD
             country:        ZZ
             address:        Data and Internet Service
             address:        Bangladesh Telecommunications Company Ltd
             address:        Moghbazar Telephone Bhaban, Dhaka
             address:
             address:
             phone:          +000000000
             e-mail:         uzzal18@gmail.com
             admin-c:        HA128-AP
             tech-c:         MR209-AP
             nic-hdl:        AB1235-AP
             remarks:        Generated from irt object IRT-BTTB-BD
             remarks:        irt@btcl.gov.bd was validated on 2026-01-05
             remarks:        uzzal18@gmail.com was validated on 2026-03-31
             abuse-mailbox:  irt@btcl.gov.bd
             mnt-by:         APNIC-ABUSE
             last-modified:  2026-03-31T05:51:28Z
             source:         APNIC
             
             person:         Habibur Rahman AKM
             nic-hdl:        HA128-AP
             e-mail:         detelex@btcl.net.bd
             address:        Data and Internet Service
             address:        Bangladesh Telecommunications Company Ltd
             address:        Moghbazar Telephone Bhaban, Dhaka
             phone:          +880-1550151169
             fax-no:         +880-2-8360699
             country:        BD
             mnt-by:         MAINT-BD-BTTB
             last-modified:  2008-10-07T08:11:52Z
             source:         APNIC
             
             person:         Mohammad Atiqur Rahman
             address:        Mogbazar Telephone Bhaban,
             address:        Mogbazar, Dhaka
             address:        Bangladesh
             country:        BD
             phone:          +880-1819550327
             fax-no:         +880-2-9344455
             e-mail:         atique05@btcl.net.bd
             nic-hdl:        MR209-AP
             mnt-by:         MAINT-BD-BTTB
             last-modified:  2008-10-08T03:29:52Z
             source:         APNIC
             
             person:         Ruhul Quddus Mohammad
             nic-hdl:        RM324-AP
             e-mail:         rumi@bttb.net.bd
             address:        Data and Internet service
             address:        BTTB Moghbazar compound
             address:        Dhaka
             phone:          +880-152000497
             fax-no:         +880-2-9344455
             country:        BD
             mnt-by:         MAINT-BD-BTTB
             last-modified:  2008-09-04T07:29:17Z
             source:         APNIC
             
             person:         Sayedur Rahman
             address:        Internet Services=20
             address:        Mogbazar Telephone Exchange Building
             address:        Mogbazar, Dhaka 1217
             country:        BD
             phone:          +880-2-9344035
             fax-no:         +880-2-831-9829
             e-mail:         sayed@bttb.net.bd
             nic-hdl:        SR42-AP
             mnt-by:         MAINT-NEW
             last-modified:  2008-09-04T07:29:17Z
             source:         APNIC
             
             % This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)