103.5.233.0/24

AS38592 · Chittagong Online Limited AS38592 AP

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Summary

Country	Bangladesh
Domain	colbd.com
ASN	AS38592
Parent Range	103.5.232.0/22
Registry	APNIC
ID	CTGONLINE-BD

WHOIS Details

inetnum:        103.5.232.0 - 103.5.235.255
netname:        CTGONLINE-BD
descr:          Chittagong Online Limited.
descr:          Arup Bhaban (2nd Floor),
descr:          107, Agrabad C/A,
country:        BD
org:            ORG-COL2-AP
admin-c:        TA129-AP
admin-c:        AB248-AP
tech-c:         AB248-AP
abuse-c:        AC1804-AP
status:         ALLOCATED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-BD-CTGONLINE
mnt-routes:     MAINT-BD-CTGONLINE
mnt-irt:        IRT-CTGONLINE-BD
last-modified:  2020-06-22T05:41:18Z
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 2025-07-30
remarks:        mailadmin@colbd.com was validated on 2025-09-23
irt-nfy:        cto@colbd.com
mnt-by:         MAINT-BD-CTGONLINE
last-modified:  2025-11-18T00:26:23Z
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 2025-07-30
remarks:        mailadmin@colbd.com was validated on 2025-09-23
abuse-mailbox:  mailadmin@colbd.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-09-23T16:36:11Z
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

route:          103.5.232.0/22
descr:          CTGONLINENET Route Object
origin:         AS38592
country:        BD
notify:         cto@colbd.com
mnt-lower:      MAINT-BD-CTGONLINE
mnt-routes:     MAINT-BD-CTGONLINE
mnt-by:         MAINT-BD-CTGONLINE
last-modified:  2011-10-05T05:12:52Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 103.5.233.0/24

Range	ASN	Company	Num of IPs
103.5.232.0/22	AS38592	Chittagong Online Limited.	1,024

Nearby Ranges

BGP prefixes that overlap with 103.5.0.0/16

Range	ASN	Company	Num of IPs
103.5.156.0/22	AS18119	Capgemini New Zealand Limited	1,024
103.5.128.0/22	AS17573	SK Broadband Co Ltd	1,024
103.5.116.0/22	AS17408	M-SQUARE, Inc.	1,024
103.5.12.0/22	AS16276	2 Rue Kellermann	1,024
103.5.160.0/22	AS15412	Ginza 1-15-7 MAC Giza Bldg 3F	1,024
103.5.236.0/22	AS9930	TT DOTCOM SDN BHD	1,024
103.5.176.0/22	AS55894	Who's Next	1,024
103.5.4.0/22	AS55821	RADIUS TELECOMS, INC.	1,024
103.5.44.0/22	AS45634	Magna Hosting Ltd	1,024
103.5.100.0/22	AS38851	Chief Telecom Inc.	1,024
103.5.232.0/22	AS38592	Chittagong Online Limited.	1,024
103.5.180.0/22	AS132035	Computer Center	1,024
103.5.224.0/22	AS132042	Manux Networks Ltd	1,024
103.5.96.0/22	AS38333	Telcoinabox Operations Pty Ltd	1,024
103.5.208.0/22	AS38253	HTC International telecommunication joint stock company	1,024
103.5.188.0/22	AS38207	RAJESH DIGITAL & DATACOM PRIVATE LIMITED	1,024
103.5.140.0/22	AS131160	Wire and Wireless Co.,Ltd.	1,024
103.5.220.0/22	AS9304	PowerCom Network Hong Kong Ltd	1,024
103.5.112.0/22	AS131459	Vijaya Comnet Private Limited	1,024
103.5.212.0/23	AS135516	Level , Suite 30102	512
103.5.0.0/23	AS132021	Kalibo Cable - Main	512
103.5.2.0/23	AS132021	Kalibo Cable - Boracay	512
103.5.218.0/23	AS137538	Caldawin Software Technology Company Limited	512
103.5.120.0/23	AS140091	SHWE MAHAR MAE KHONG INDUSTRIAL COMPANY LIMITED	512
103.5.216.0/23	AS150316	PR Network	512
103.5.230.0/23	AS24441	CityLink Corporation, LTD	512
103.5.50.0/23	AS58381	Wow Internet Indonesia	512
103.5.228.0/23	AS58433	Corporate Office, Kamaladi	512
103.5.110.0/24	AS141226	Gecko Broadband	256
103.5.16.0/24	AS17483	using in Hyd noc	256
103.5.17.0/24	AS17483	using in Hyd noc	256
103.5.18.0/24	AS17483	using in Hyd noc	256
103.5.19.0/24	AS17483	using in Hyd noc	256
103.5.109.0/24	AS141226	Gecko Broadband	256
103.5.108.0/24	AS141226	Gecko Broadband	256
103.5.28.0/24	AS58631	Vista Group (NZ) Limited	256
103.5.230.0/24	AS24441	CityLink Corporation, LTD	256
103.5.231.0/24	AS24441	CityLink Corporation, LTD	256
103.5.23.0/24	AS2497	Videx Inc.	256
103.5.106.0/24	AS134778	Illawarra Retirement Trust	256
103.5.79.0/24	AS134753	29/F, Tower 6, The Gateway,	256
103.5.107.0/24	AS38320	PT. Maxindo Network	256
103.5.202.0/24	AS133594	World Phone Internet Services Pvt Ltd	256
103.5.105.0/24	AS132033	Lot 3, Jalan Teknologi 3/5, Taman Sains Selangor	256
103.5.25.0/24	AS132032	DTAC-WIFI-AP02	256
103.5.24.0/24	AS132032	DTAC-WIFI-AP01	256
103.5.44.0/24	AS45634	2F-36 No 163 Nanjing West Road	256
103.5.46.0/24	AS45634	MAINT-MAGNAHOSTINGLTD-TW	256
103.5.47.0/24	AS45634	MAINT-MAGNAHOSTINGLTD-TW	256
103.5.203.0/24	AS48011	Turunc Smart Bilgisayar Teknoloji Ve Dis Ticaret Limited Sirketi	256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
103.5.233.164	qcll-cms.com	1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

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Pingable IPs

99 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
103.5.233.173	AS38592 Chittagong Online Limited AS38592 AP	`3.97ms` from Dhaka, BD

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
77.175.141.72	AS1136 KPN B.V.	`2.98ms` from Amsterdam, NL
20.86.196.8	AS8075 Microsoft Corporation	`0.24ms` from Amsterdam, NL
43.208.190.184	AS16509 Amazon.com, Inc.	`1.96ms` from Bangkok, TH
35.85.107.88	AS16509 Amazon.com, Inc.	`0.13ms` from Boardman, US
122.167.217.184	AS24560 Bharti Airtel Ltd., Telemedia Services	`14.48ms` from Chennai, IN
67.167.10.56	AS7922 Comcast Cable Communications, LLC	`6.24ms` from Chicago, US
199.96.246.184	AS40317 Peoples Communications Inc.	`2.00ms` from Dallas, US
59.91.82.88	AS9829 National Internet Backbone	`16.00ms` from Delhi, IN
63.181.54.152	AS16509 Amazon.com, Inc.	`0.16ms` from Frankfurt am Main, DE
121.198.5.56	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`6.91ms` from Hangzhou, CN
171.241.9.184	AS7552 Viettel Group	`1.33ms` from Hanoi, VN
58.123.4.120	AS9318 SK Broadband Co Ltd	`1.17ms` from Incheon, KR
88.250.84.88	AS9121 Turk Telekomunikasyon Anonim Sirketi	`2.08ms` from Istanbul, TR
75.82.21.72	AS20001 Charter Communications Inc	`6.26ms` from Los Angeles, US
95.183.85.232	AS21453 Flex Ltd.	`2.15ms` from Moscow, RU
153.216.120.56	AS4713 NTT DOCOMO BUSINESS,Inc.	`8.21ms` from Osaka, JP
167.172.208.88	AS14061 DigitalOcean, LLC	`0.23ms` from San Jose, US
104.168.234.184	AS54290 Hostwinds LLC.	`0.16ms` from Seattle, US
125.134.143.168	AS4766 Korea Telecom	`6.42ms` from Seoul, KR
95.202.26.152	AS3301 Telia Company AB	`10.64ms` from Stockholm, SE
1.158.112.24	AS1221 Telstra Limited	`9.34ms` from Sydney, AU
197.48.91.24	AS8452 TE-AS	`8.06ms` from Cairo, EG
172.110.1.232	AS13693 Vexus Fiber	`8.50ms` from Dallas, US
23.195.98.24	AS20940 Akamai International B.V.	`0.79ms` from Dallas, US
86.160.133.216	AS2856 British Telecommunications PLC	`6.23ms` from Erith, GB

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 -f3 103.5.233.173

traceroute to 103.5.233.173 (103.5.233.173): 64 hops max, 52 byte packets

3 [] 103.151.196.99 4.077 ms

4 [AS38592] 103.5.233.173 4.035 ms

Measurement taken from

IPinfo ProbeNet in Dhaka, BD

On January 18th 2026

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