202.65.172.0/24

AS38592 · Chittagong Online Limited AS38592 AP

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Summary

Country	Bangladesh
Domain	colbd.com
ASN	AS38592
Parent Range	202.65.168.0/21
Registry	APNIC
ID	CTGONLINENET

WHOIS Details

inetnum:        202.65.168.0 - 202.65.175.255
netname:        CTGONLINENET
descr:          Chittagong Online Limited.
descr:          Internet Service Provider,
descr:          Arup Bhaban (2nd Floor),
descr:          107, Agrabad C/A,
descr:          Chittagong - 4100.
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:  2020-10-20T00:57:43Z
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:          202.65.168.0/21
descr:          CTGONLINENET Route Object
country:        BD
origin:         AS38592
notify:         cto@colbd.com
mnt-routes:     MAINT-BD-CTGONLINE
mnt-by:         MAINT-BD-CTGONLINE
last-modified:  2010-06-15T01:39:09Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 202.65.172.0/24

Range	ASN	Company	Num of IPs
202.65.168.0/21	AS38592	Chittagong Online Limited.	2,048

Nearby Ranges

BGP prefixes that overlap with 202.65.0.0/16

Range	ASN	Company	Num of IPs
202.65.64.0/19	AS38195	SUPERLOOP (AUSTRALIA) PTY LTD	8,192
202.65.32.0/19	AS10131	Telecom Cook Islands	8,192
202.65.208.0/20	AS9584	Diyixian.com Limited	4,096
202.65.176.0/20	AS18360	University of Santo Tomas	4,096
202.65.112.0/20	AS23951	PT Jembatan Citra Nusantara	4,096
202.65.192.0/20	AS9584	Diyixian.com Limited	4,096
202.65.240.0/21	AS4773	M1 LIMITED	2,048
202.65.168.0/21	AS38592	Chittagong Online Limited.	2,048
202.65.164.0/22	AS55872	BayCity Communications	1,024
202.65.162.0/23	AS55872	BayCity Communications	512
202.65.10.0/23	AS17641	MGH Infotech Ltd.	512
202.65.153.0/24	AS18229	IP Pool for F-Secure	256
202.65.142.0/24	AS150008	IP Pool for Cocanada Online	256
202.65.113.0/24	AS23951	INFRASTRUKTUR WIRELESS	256
202.65.144.0/24	AS150008	IP pool for CtrlS	256
202.65.240.0/24	AS4773	M1 Ltd	256
202.65.241.0/24	AS4773	M1 Ltd	256
202.65.242.0/24	AS4773	M1 Ltd	256
202.65.244.0/24	AS4773	M1 Ltd	256
202.65.246.0/24	AS4773	M1 Ltd	256
202.65.247.0/24	AS4773	M1 Ltd	256
202.65.131.0/24	AS18229	IP pool for CtrlS	256
202.65.140.0/24	AS18229	IP pool for CtrlS	256
202.65.139.0/24	AS18229	IP pool for CtrlS	256
202.65.141.0/24	AS18229	IP Pool for Hi Speed Internet Tirupathi	256
202.65.143.0/24	AS18229	IP Pool for Host 2	256
202.65.149.0/24	AS18229	IP pool for CtrlS	256
202.65.151.0/24	AS18229	IP Pool for CtrlS Retail Customers	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
202.65.172.94	alphasecuritiesltd.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

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

IP Address	ASN	Details
202.65.172.229	AS38592 Chittagong Online Limited AS38592 AP	`3.93ms` 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
52.88.74.184	AS16509 Amazon.com, Inc.	`0.16ms` from Boardman, US
24.88.160.216	AS11426 Charter Communications Inc	`6.06ms` from Charlotte, US
75.244.76.88	AS6167 Verizon Business	`15.71ms` from Chicago, US
68.235.155.200	AS11650 Pioneer Long Distance Inc.	`7.35ms` from Dallas, US
150.221.217.120	AS11427 Charter Communications Inc	`4.12ms` from Houston, US
112.205.150.56	AS9299 Philippine Long Distance Telephone Company	`1.16ms` from Manila, PH
104.202.10.232	AS11404 Wave Broadband	`3.71ms` from Seattle, US
83.27.12.56	AS5617 Orange Polska Spolka Akcyjna	`6.04ms` from Warsaw, PL
154.196.59.104	AS62240 Clouvider	`0.24ms` from Frankfurt am Main, DE
211.41.46.200	AS4766 Korea Telecom	`1.06ms` from Incheon, KR
94.1.69.24	AS5607 Sky UK Limited	`5.64ms` from London, GB
95.39.234.200	AS6739 VODAFONE ONO, S.A.	`14.49ms` from Madrid, ES
97.100.226.120	AS33363 Charter Communications, Inc	`3.35ms` from Orlando, US
133.6.189.200	AS17687 National University Corporation Nagoya University	`4.84ms` from Osaka, JP
188.48.114.8	AS25019 Saudi Telecom Company JSC	`1.49ms` from Riyadh, SA
216.160.66.216	AS209 CenturyLink Communications, LLC	`2.12ms` from Seattle, US
182.225.205.136	AS17858 LG POWERCOMM	`2.15ms` from Seoul, KR
220.134.47.152	AS3462 Data Communication Business Group	`1.65ms` from Taipei, TW
175.174.138.136	AS4837 CHINA UNICOM China169 Backbone	`9.57ms` from Tieling, CN
94.68.104.152	AS6799 Ote SA (Hellenic Telecommunications Organisation)	`10.75ms` from Athens, GR
72.105.2.184	AS6167 Verizon Business	`15.82ms` from Atlanta, US
59.88.33.168	AS9829 National Internet Backbone	`15.48ms` from Bengaluru, IN
20.110.71.72	AS8075 Microsoft Corporation	`0.30ms` from Boydton, US
147.136.187.8	AS138341 SHOPEE SINGAPORE PRIVATE LIMITED	`0.84ms` from Dallas, US
13.86.123.136	AS8075 Microsoft Corporation	`0.19ms` from Des Moines, US

Traceroute

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

traceroute -a -n -q1 -f3 202.65.172.229

traceroute to 202.65.172.229 (202.65.172.229): 64 hops max, 52 byte packets

3 [] 103.151.196.99 4.51 ms

4 [AS38592] 202.65.172.229 4.048 ms

Measurement taken from

IPinfo ProbeNet in Dhaka, BD

On January 9th 2026

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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