Report for 38592

Name

CTGONLINE-AS-AP - Chittagong Online Limited AS38592 AP, 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 AS6447) 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.

38592 CTGONLINE-AS-AP Chittagong Online Limited AS38592 AP, BD

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS132602        BANGLADESH-AS-AP Bangladesh Submarine Cable Company Limited BSCCL, BD
    AS58717         SUMMITCOMMUNICATIONS-BD Summit Communications Ltd, BD
    AS58688         RADIANT RADIANT COMMUNICATIONS LTD IIG, BD

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
7249  AS38592        ORIGIN  Originate:      18432 /17.83  Transit:          0 /0.00  CTGONLINE-AS-AP Chittagong Online Limited AS38592 AP, 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       %
 2572 AS38592       CTGONLINE-AS-AP Chittagong Online Limited AS3     43     30      8     21     22  51.16%


  Prefix               AS Path                              Aggregation Suggestion
  101.2.160.0/21       6939 132602 38592 38592 38592 38592   
  101.2.160.0/23       6939 58717 38592 38592 38592 38592 + Announce - aggregate of 101.2.160.0/24 (6939 58717 38592 38592 38592 38592) and 101.2.161.0/24 (6939 58717 38592 38592 38592 38592)
  101.2.160.0/24       6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 101.2.161.0/24 (6939 58717 38592 38592 38592 38592)
  101.2.161.0/24       6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 101.2.160.0/24 (6939 58717 38592 38592 38592 38592)
  101.2.162.0/24       6939 132602 38592 38592 38592 38592 - Withdrawn - matching aggregate 101.2.160.0/21 6939 132602 38592 38592 38592 38592
  101.2.163.0/24       6939 58717 38592 38592 38592 38592   
  101.2.164.0/22       6939 58717 38592 38592 38592 38592 + Announce - aggregate of 101.2.164.0/23 (6939 58717 38592 38592 38592 38592) and 101.2.166.0/23 (6939 58717 38592 38592 38592 38592)
  101.2.164.0/24       6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 101.2.165.0/24 (6939 58717 38592 38592 38592 38592)
  101.2.165.0/24       6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 101.2.164.0/24 (6939 58717 38592 38592 38592 38592)
  101.2.166.0/24       6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 101.2.167.0/24 (6939 58717 38592 38592 38592 38592)
  101.2.167.0/24       6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 101.2.166.0/24 (6939 58717 38592 38592 38592 38592)
  103.5.232.0/22       6939 132602 38592 38592 38592 38592   
  103.5.232.0/22       6939 58717 38592 38592 38592 38592 + Announce - aggregate of 103.5.232.0/23 (6939 58717 38592 38592 38592 38592) and 103.5.234.0/23 (6939 58717 38592 38592 38592 38592)
  103.5.232.0/24       6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 103.5.233.0/24 (6939 58717 38592 38592 38592 38592)
  103.5.233.0/24       6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 103.5.232.0/24 (6939 58717 38592 38592 38592 38592)
  103.5.234.0/24       6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 103.5.235.0/24 (6939 58717 38592 38592 38592 38592)
  103.5.235.0/24       6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 103.5.234.0/24 (6939 58717 38592 38592 38592 38592)
  119.10.168.0/21      6939 132602 38592 38592 38592 38592 + Announce - aggregate of 119.10.168.0/22 (6939 132602 38592 38592 38592 38592) and 119.10.172.0/22 (6939 132602 38592 38592 38592 38592)
  119.10.168.0/22      6939 132602 38592 38592 38592 38592 - Withdrawn - aggregated with 119.10.172.0/22 (6939 132602 38592 38592 38592 38592)
  119.10.168.0/24      6939 58717 38592       
  119.10.169.0/24      6939 58717 38592 38592 38592 38592   
  119.10.170.0/24      6939 58717 38592 38592 38592 38592   
  119.10.171.0/24      6939 132602 38592 38592 38592 38592 - Withdrawn - matching aggregate 119.10.168.0/22 6939 132602 38592 38592 38592 38592
  119.10.172.0/22      6939 132602 38592 38592 38592 38592 - Withdrawn - aggregated with 119.10.168.0/22 (6939 132602 38592 38592 38592 38592)
  119.10.172.0/24      6939 58717 38592 38592 38592 38592   
  119.10.173.0/24      2914 132602 38592 38592 38592 38592   
  119.10.174.0/24      6939 132602 38592 38592 38592 38592 - Withdrawn - matching aggregate 119.10.172.0/22 6939 132602 38592 38592 38592 38592
  119.10.175.0/24      6939 58717 38592 38592 38592 38592   
  163.47.84.0/22       6939 132602 38592 38592 38592 38592   
  163.47.84.0/22       6939 58717 38592 38592 38592 38592 + Announce - aggregate of 163.47.84.0/23 (6939 58717 38592 38592 38592 38592) and 163.47.86.0/23 (6939 58717 38592 38592 38592 38592)
  163.47.84.0/24       6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 163.47.85.0/24 (6939 58717 38592 38592 38592 38592)
  163.47.85.0/24       6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 163.47.84.0/24 (6939 58717 38592 38592 38592 38592)
  163.47.86.0/24       6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 163.47.87.0/24 (6939 58717 38592 38592 38592 38592)
  163.47.87.0/24       6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 163.47.86.0/24 (6939 58717 38592 38592 38592 38592)
  202.65.168.0/21      2914 132602 38592 38592 38592 38592   
  202.65.168.0/22      6939 58717 38592 38592 38592 38592 + Announce - aggregate of 202.65.168.0/23 (6939 58717 38592 38592 38592 38592) and 202.65.170.0/23 (6939 58717 38592 38592 38592 38592)
  202.65.168.0/24      6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 202.65.169.0/24 (6939 58717 38592 38592 38592 38592)
  202.65.169.0/24      6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 202.65.168.0/24 (6939 58717 38592 38592 38592 38592)
  202.65.170.0/24      6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 202.65.171.0/24 (6939 58717 38592 38592 38592 38592)
  202.65.171.0/24      6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 202.65.170.0/24 (6939 58717 38592 38592 38592 38592)
  202.65.172.0/23      6939 132602 38592 38592 38592 38592 + Announce - aggregate of 202.65.172.0/24 (6939 132602 38592 38592 38592 38592) and 202.65.173.0/24 (6939 132602 38592 38592 38592 38592)
  202.65.172.0/24      6939 132602 38592 38592 38592 38592 - Withdrawn - aggregated with 202.65.173.0/24 (6939 132602 38592 38592 38592 38592)
  202.65.173.0/24      6939 132602 38592 38592 38592 38592 - Withdrawn - aggregated with 202.65.172.0/24 (6939 132602 38592 38592 38592 38592)
  202.65.174.0/24      2914 132602 38592 38592 38592 38592 - Withdrawn - matching aggregate 202.65.168.0/21 2914 132602 38592 38592 38592 38592
  202.65.175.0/24      2914 17494 58688 38592 38592 38592 38592 38592   
  203.80.188.0/22      6939 132602 38592 38592 38592 38592   
  203.80.188.0/22      6939 58717 38592 38592 38592 38592 + Announce - aggregate of 203.80.188.0/23 (6939 58717 38592 38592 38592 38592) and 203.80.190.0/23 (6939 58717 38592 38592 38592 38592)
  203.80.188.0/24      6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 203.80.189.0/24 (6939 58717 38592 38592 38592 38592)
  203.80.189.0/24      6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 203.80.188.0/24 (6939 58717 38592 38592 38592 38592)
  203.80.190.0/24      6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 203.80.191.0/24 (6939 58717 38592 38592 38592 38592)
  203.80.191.0/24      6939 58717 38592 38592 38592 38592 - Withdrawn - aggregated with 203.80.190.0/24 (6939 58717 38592 38592 38592 38592)

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

AS38592   37 More Specifics   42 Total Advertisements   CTGONLINE-AS-AP Chittagong Online Limited AS38592 AP, BD
    101.2.160.0/24                101.2.160.0/21
    101.2.161.0/24                101.2.160.0/21
    101.2.162.0/24                101.2.160.0/21
    101.2.163.0/24                101.2.160.0/21
    101.2.164.0/24                101.2.160.0/21
    101.2.165.0/24                101.2.160.0/21
    101.2.166.0/24                101.2.160.0/21
    101.2.167.0/24                101.2.160.0/21
    103.5.232.0/24                103.5.232.0/22
    103.5.233.0/24                103.5.232.0/22
    103.5.234.0/24                103.5.232.0/22
    103.5.235.0/24                103.5.232.0/22
    119.10.168.0/22               119.10.168.0/21
    119.10.168.0/24               119.10.168.0/21
    119.10.169.0/24               119.10.168.0/21
    119.10.170.0/24               119.10.168.0/21
    119.10.172.0/22               119.10.168.0/21
    119.10.172.0/24               119.10.168.0/21
    119.10.173.0/24               119.10.168.0/21
    119.10.174.0/24               119.10.168.0/21
    119.10.175.0/24               119.10.168.0/21
    163.47.84.0/24                163.47.84.0/22
    163.47.85.0/24                163.47.84.0/22
    163.47.86.0/24                163.47.84.0/22
    163.47.87.0/24                163.47.84.0/22
    202.65.168.0/24               202.65.168.0/21
    202.65.169.0/24               202.65.168.0/21
    202.65.170.0/24               202.65.168.0/21
    202.65.171.0/24               202.65.168.0/21
    202.65.172.0/24               202.65.168.0/21
    202.65.173.0/24               202.65.168.0/21
    202.65.174.0/24               202.65.168.0/21
    202.65.175.0/24               202.65.168.0/21
    203.80.188.0/24               203.80.188.0/22
    203.80.189.0/24               203.80.188.0/22
    203.80.190.0/24               203.80.188.0/22
    203.80.191.0/24               203.80.188.0/22
    119.10.171.0/24               119.10.168.0/21

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 119.10.171.0/24             Withdrawn

Whois Entry

whois: 402590

IANA has recorded AS38592 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS38592\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS37888 - AS38911'
             
             as-block:       AS37888 - AS38911
             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:  2009-09-29T06:04:16Z
             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 'AS38592'
             
             % Abuse contact for 'AS38592' is 'mailadmin@colbd.com'
             
             aut-num:        AS38592
             as-name:        CTGONLINE-AS-AP
             descr:          Chittagong Online Limited AS38592 AP
             descr:          Chittagong Online Limited.
             descr:          Internet Service Provider,
             descr:          IIUC Tower (14th Floor),
             descr:          1700/A, Plot-9, Sk. Mujib Road, Agrabad C/A,
             descr:          Chittagong - 4100.
             country:        BD
             import:         from AS132602 action pref=100; accept ANY
             import:         from AS58717 action pref=100; accept ANY
             import:         from AS17494 action pref=100; accept ANY
             import:         from AS38592:AS-CUSTOMERS action pref=100; accept ANY
             export:         to AS132602 announce AS38592
             export:         to AS58717 announce AS38592
             export:         to AS17494 announce AS38592
             export:         to AS17494 announce AS38592:AS-CUSTOMERS
             default:        to AS58717 action pref=200; networks ANY
             remarks:        http://www.colbd.com
             remarks:        mailto: cto@colbd.com
             org:            ORG-COL2-AP
             admin-c:        TA129-AP
             admin-c:        AB248-AP
             tech-c:         AB248-AP
             abuse-c:        AC1804-AP
             notify:         cto@colbd.com
             mnt-lower:      MAINT-BD-CTGONLINE
             mnt-routes:     MAINT-BD-CTGONLINE
             mnt-by:         APNIC-HM
             mnt-irt:        IRT-CTGONLINE-BD
             last-modified:  2020-06-22T05:41:19Z
             source:         APNIC
             
             irt:            IRT-CTGONLINE-BD
             address:        Chittagong Online Limited.
             address:        IIUC Tower (14th Floor),
             address:        1700/A, Plot-9, Sk. Mujib Road, Agrabad C/A,
             address:        Chittagong-4100,
             address:        Bangladesh.
             e-mail:         irt@colbd.com
             abuse-mailbox:  mailadmin@colbd.com
             admin-c:        TA129-AP
             admin-c:        AB248-AP
             tech-c:         AB248-AP
             auth:           # Filtered
             remarks:        Timezone GMT+6
             remarks:        irt@colbd.com was validated on 2026-02-03
             remarks:        mailadmin@colbd.com was validated on 2026-04-08
             irt-nfy:        cto@colbd.com
             mnt-by:         MAINT-BD-CTGONLINE
             last-modified:  2026-04-08T14:08:59Z
             source:         APNIC
             
             organisation:   ORG-COL2-AP
             org-name:       Chittagong Online Limited.
             org-type:       LIR
             country:        BD
             address:        Chittagong Online Limited.
             address:        IIUC Tower (14th Floor),
             address:        1700/A, Plot-9, Sk. Mujib Road,
             address:        Agrabad C/A,
             phone:          +880-23333-14447
             fax-no:         +880-31-718186
             e-mail:         irt@colbd.com
             mnt-ref:        APNIC-HM
             mnt-by:         APNIC-HM
             last-modified:  2023-09-05T02:15:09Z
             source:         APNIC
             
             role:           ABUSE CTGONLINEBD
             country:        ZZ
             address:        Chittagong Online Limited.
             address:        IIUC Tower (14th Floor),
             address:        1700/A, Plot-9, Sk. Mujib Road, Agrabad C/A,
             address:        Chittagong-4100,
             address:        Bangladesh.
             phone:          +000000000
             e-mail:         irt@colbd.com
             admin-c:        TA129-AP
             admin-c:        AB248-AP
             tech-c:         AB248-AP
             nic-hdl:        AC1804-AP
             remarks:        Generated from irt object IRT-CTGONLINE-BD
             remarks:        irt@colbd.com was validated on 2026-02-03
             remarks:        mailadmin@colbd.com was validated on 2026-04-08
             abuse-mailbox:  mailadmin@colbd.com
             mnt-by:         APNIC-ABUSE
             last-modified:  2026-04-08T14:09:25Z
             source:         APNIC
             
             person:         Aniruddha Barua
             nic-hdl:        AB248-AP
             abuse-mailbox:  mailadmin@colbd.com
             e-mail:         cto@colbd.com
             address:        Chittagong Online Limited.
             address:        IIUC Tower (14th Floor),
             address:        1700/A, Plot-9, Sk. Mujib Road, Agrabad C/A,
             address:        Chittagong-4100,
             address:        Bangladesh.
             phone:          +880-23333-14447
             phone:          +880-23333-17437
             country:        BD
             mnt-by:         MAINT-BD-CTGONLINE
             last-modified:  2022-02-22T07:27:52Z
             source:         APNIC
             
             person:         Tahmid Anwar
             nic-hdl:        TA129-AP
             abuse-mailbox:  mailadmin@colbd.com
             e-mail:         ceo@colbd.com
             address:        Chittagong Online Limited.
             address:        IIUC Tower (14th Floor),
             address:        1700/A, Plot-9, Sk. Mujib Road, Agrabad C/A,
             address:        Chittagong-4100,
             address:        Bangladesh.
             phone:          +880-23333-14447
             phone:          +880-23333-17437
             country:        BD
             mnt-by:         MAINT-BD-CTGONLINE
             last-modified:  2022-02-22T07:28:35Z
             source:         APNIC
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)