203.112.72.0/24

AS38031 · OptiMax Communication Ltd.

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Summary

Country	Bangladesh
Domain	optimaxbd.net
ASN	AS38031
Parent Range	203.112.72.0/21
Registry	APNIC
ID	SERVER-GROUP

WHOIS Details

inetnum:        203.112.72.0 - 203.112.72.255
netname:        Server-Group
descr:          Md. Emdadul Hoque Molla
country:        BD
admin-c:        ONA10-AP
tech-c:         ONA10-AP
abuse-c:        AO231-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-BD-OPTIMAX
mnt-irt:        IRT-OPTIMAX-BD
last-modified:  2021-01-20T23:01:17Z
source:         APNIC

irt:            IRT-OPTIMAX-BD
address:        OptiMax Communication Ltd
address:        House-6, Road-28,Block-K
address:        Banani, Dhaka-1213
address:        Bangladesh
phone:          +8801711532496
e-mail:         emdad@optimaxbd.net
abuse-mailbox:  emdad@optimaxbd.net
admin-c:        ONA10-AP
tech-c:         ONA10-AP
auth:           # Filtered
remarks:        emdad@optimaxbd.net
remarks:        emdad@optimaxbd.net
remarks:        emdad@optimaxbd.net
remarks:        emdad@optimaxbd.net
remarks:        emdad@optimaxbd.net was validated on 2025-08-19
mnt-by:         MAINT-BD-OPTIMAX
last-modified:  2025-11-18T00:26:32Z
source:         APNIC

role:           ABUSE OPTIMAXBD
country:        ZZ
address:        OptiMax Communication Ltd
address:        House-6, Road-28,Block-K
address:        Banani, Dhaka-1213
address:        Bangladesh
phone:          +8801711532496
e-mail:         emdad@optimaxbd.net
admin-c:        ONA10-AP
tech-c:         ONA10-AP
nic-hdl:        AO231-AP
remarks:        Generated from irt object IRT-OPTIMAX-BD
remarks:        emdad@optimaxbd.net was validated on 2025-08-19
abuse-mailbox:  emdad@optimaxbd.net
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-19T16:21:55Z
source:         APNIC

role:           Optimax network administrator
address:        House-06, Road-28, Block-K, Banani
country:        BD
phone:          +88-02-8853356
e-mail:         emdad@optimaxbd.net
admin-c:        ONA10-AP
tech-c:         ONA10-AP
nic-hdl:        ONA10-AP
mnt-by:         MAINT-BD-OPTIMAX
last-modified:  2017-01-04T07:38:23Z
source:         APNIC

route:          203.112.72.0/24
origin:         AS38031
descr:          OptiMax Communication Ltd House-06, Road-28, Block-K, Banani
mnt-by:         MAINT-BD-OPTIMAX
last-modified:  2019-10-19T10:59:17Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 203.112.72.0/24

Range	ASN	Company	Num of IPs
203.112.72.0/21	AS38031	OptiMax COmmunication Ltd	2,048

Nearby Ranges

BGP prefixes that overlap with 203.112.0.0/16

Range	ASN	Company	Num of IPs
203.112.224.0/19	AS4637	Telstra Global Internet Services Network Blocks	8,192
203.112.192.0/19	AS45588	Internet Access & Telecom Carrier Service Provider.	8,192
203.112.160.0/19	AS9226	1-NET ISP Services Network.	8,192
203.112.32.0/19	AS7522	STNet, Incorporated	8,192
203.112.0.0/19	AS4685	ASAHI Net,Inc.	8,192
203.112.192.0/19	AS17494	Internet Access & Telecom Carrier Service Provider.	8,192
203.112.136.0/21	AS17439	Netmagic IT Services Pvt Ltd	2,048
203.112.72.0/21	AS38031	OptiMax COmmunication Ltd	2,048
203.112.64.0/21	AS2907	Chikushi Jogakuen University Network,	2,048
203.112.132.0/22	AS140641	YOTTA NETWORK SERVICES PRIVATE LIMITED	1,024
203.112.156.0/22	AS140641	YOTTA NETWORK SERVICES PRIVATE LIMITED	1,024
203.112.77.0/24	AS38031	Md. Emdadul Hoque Molla	256
203.112.78.0/24	AS38031	Md. Emdadul Hoque Molla	256
203.112.79.0/24	AS38031	Md. Emdadul Hoque Molla	256
203.112.76.0/24	AS38031	Md. Emdadul Hoque Molla	256
203.112.75.0/24	AS38031	Md. Emdadul Hoque Molla	256
203.112.231.0/24	AS4637	Telstra Global Internet Services Network /24 Block	256
203.112.235.0/24	AS4637	Telstra Global Internet Services Network /24 Block	256
203.112.236.0/24	AS4637	Telstra Global Internet Services Network /24 Block	256
203.112.237.0/24	AS4637	Telstra Global Internet Services Network /24 Block	256
203.112.74.0/24	AS38031	Md. Emdadul Hoque Molla	256
203.112.73.0/24	AS38031	Md. Emdadul Hoque Molla	256

Hosted domains

There are 60 domain names hosted across 9 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
203.112.72.165	AS38031 OptiMax Communication Ltd.	`0.34ms` 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
69.143.131.248	AS7922 Comcast Cable Communications, LLC	`5.26ms` from Ashburn, US
181.235.180.200	AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	`6.65ms` from Bogota, CO
91.179.139.152	AS5432 Proximus NV	`1.28ms` from Brussels, BE
68.54.209.200	AS7922 Comcast Cable Communications, LLC	`12.38ms` from Chicago, US
74.134.29.104	AS10796 Charter Communications Inc	`9.90ms` from Columbus, US
72.152.48.24	AS8075 Microsoft Corporation	`0.16ms` from Des Moines, US
87.184.105.40	AS3320 Deutsche Telekom AG	`3.72ms` from Frankfurt am Main, DE
186.68.174.168	AS14522 SERVICIOS DE TELECOMUNICACIONES SETEL S.A. (XTRIM EC)	`2.96ms` from Guayaquil, EC
2.97.241.216	AS13285 TalkTalk Communications Limited	`3.40ms` from Manchester, GB
70.127.254.120	AS33363 Charter Communications, Inc	`12.56ms` from Orlando, US
191.121.254.200	AS26615 TIM S/A	`18.64ms` from Osasco, BR
14.88.20.24	AS4766 Korea Telecom	`1.44ms` from Seoul, KR
18.140.71.232	AS16509 Amazon.com, Inc.	`0.13ms` from Singapore, SG
216.147.198.200	AS32058 Sinclair Broadcast Group, Inc.	`3.85ms` from Ashburn, US
100.15.73.8	AS701 Verizon Business	`2.27ms` from Ashburn, US
102.190.60.104	AS24835 Vodafone Data	`5.37ms` from Cairo, EG
87.178.195.216	AS3320 Deutsche Telekom AG	`4.42ms` from Duesseldorf, DE
134.93.84.40	AS2857 Johannes Gutenberg-Universitaet Mainz	`3.17ms` from Frankfurt am Main, DE
189.143.186.248	AS8151 UNINET	`0.93ms` from Guadalajara, MX
219.129.73.200	AS4134 CHINANET-BACKBONE	`10.69ms` from Guangzhou, CN
76.14.68.8	AS11404 Wave Broadband	`6.02ms` from Hillsboro, US
218.147.25.56	AS4766 Korea Telecom	`7.06ms` from Seoul, KR
23.248.173.152	AS21859 Zenlayer Inc	`0.70ms` from Singapore, SG
79.190.5.152	AS5617 Orange Polska Spolka Akcyjna	`1.67ms` from Wrocław, PL
123.9.101.88	AS4837 CHINA UNICOM China169 Backbone	`6.99ms` from Zhengzhou, CN

Traceroute

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

traceroute -a -n -q1 -f3 203.112.72.253

traceroute to 203.112.72.253 (203.112.72.253): 64 hops max, 52 byte packets

3 [] 103.161.216.9 0.326 ms

4 [AS38031] 203.112.72.253 0.384 ms

Measurement taken from

IPinfo ProbeNet in Dhaka, BD

On December 28th 2025

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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