AS38592 Chittagong Online Limited AS38592 AP 🇧🇩 BD

Chittagong Online Limited.. Announcing 48 prefixes, seen at the RIS collectors.

IPv4 prefixes

18,432 (72 × /24)

IPv6 prefixes

1 × /32

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS38592
Name: Chittagong Online Limited AS38592 AP
Organisation: Chittagong Online
Country: 🇧🇩 BD
RIR: APNIC
Allocated: 2007-06-14
Network type: Cable/DSL/ISP
Traffic levels: 1-5Gbps
Scope: Asia Pacific
Peering policy: Selective
Website: http://www.colbd.com
PeeringDB: net/13403
Exchanges: 1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

48 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.apnic.net

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:        PO Box 3646
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:  2026-08-26T00:40:00Z
source:         APNIC

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:        mailadmin@colbd.com was validated on 2026-04-08
remarks:        irt@colbd.com was validated on 2026-08-05
irt-nfy:        cto@colbd.com
mnt-by:         MAINT-BD-CTGONLINE
last-modified:  2026-08-05T03:54:49Z
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:        mailadmin@colbd.com was validated on 2026-04-08
remarks:        irt@colbd.com was validated on 2026-08-05
abuse-mailbox:  mailadmin@colbd.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-08-05T03:54:54Z
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