203.112.75.0/24

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	CABLE-MODEM-COM21

WHOIS Details

inetnum:        203.112.75.0 - 203.112.75.255
netname:        Cable-Modem-Com21
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:  2021-01-20T23:01:18Z
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:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        ONA10-AP
tech-c:         ONA10-AP
auth:           # Filtered
remarks:        [email protected]
remarks:        [email protected]
remarks:        [email protected]
remarks:        [email protected]
remarks:        [email protected] 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:         [email protected]
admin-c:        ONA10-AP
tech-c:         ONA10-AP
nic-hdl:        AO231-AP
remarks:        Generated from irt object IRT-OPTIMAX-BD
remarks:        [email protected] was validated on 2025-08-19
abuse-mailbox:  [email protected]
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:         [email protected]
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:          203.112.75.0/24
origin:         AS38031
descr:          OptiMax Communication Ltd House-06, Road-28, Block-K, Banani
mnt-by:         MAINT-BD-OPTIMAX
last-modified:  2019-10-19T10:59:19Z
source:         APNIC

Overlapping Ranges

BGP prefixes that contain 203.112.75.0/24

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
203.112.231.0/24	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
203.112.72.0/24	AS38031	Md. Emdadul Hoque Molla	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Pingable IPs

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

IP Address	ASN	Details
203.112.75.153	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
91.37.244.152	AS3320 Deutsche Telekom AG	`2.05ms` from Hamburg, DE
154.220.58.72	AS132839 POWER LINE DATACENTER	`1.10ms` from Hong Kong, HK
107.196.27.24	AS7018 AT&T Enterprises, LLC	`2.74ms` from Houston, US
81.150.75.8	AS2856 British Telecommunications PLC	`2.27ms` from London, GB
42.201.71.120	AS137735 China Construction Bank	`12.90ms` from Nanjing, CN
104.255.202.248	AS63428 LMAX USA Inc	`2.93ms` from New York City, US
180.52.28.184	AS4713 NTT DOCOMO BUSINESS,Inc.	`7.29ms` from Tokyo, JP
39.103.204.248	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.82ms` from Zhangjiakou, CN
108.31.207.168	AS701 Verizon Business	`2.48ms` from Ashburn, US
89.210.36.104	AS3329 VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA	`1.18ms` from Athens, GR
166.117.111.120	AS16509 Amazon.com, Inc.	`0.04ms` from Bangkok, TH
174.105.145.120	AS10796 Charter Communications Inc	`12.51ms` from Chicago, US
173.89.129.8	AS10796 Charter Communications Inc	`9.72ms` from Chicago, US
216.176.82.120	AS5742 Fidium	`5.74ms` from Chicago, US
97.139.18.40	AS6167 Verizon Business	`17.15ms` from Dallas, US
73.181.20.200	AS7922 Comcast Cable Communications, LLC	`2.24ms` from Denver, US
14.179.47.104	AS45899 VNPT Corp	`2.69ms` from Ho Chi Minh City, VN
24.11.156.88	AS7922 Comcast Cable Communications, LLC	`14.63ms` from Los Angeles, US
78.194.28.104	AS12322 Free SAS	`1.16ms` from Paris, FR
88.119.118.104	AS8764 Telia Lietuva, AB	`2.93ms` from Siauliai, LT
68.188.127.136	AS20115 Charter Communications LLC	`0.94ms` from St. Louis, US
61.30.108.200	AS9924 Taiwan Fixed Network, Telco and Network Service Provider.	`0.51ms` from Taipei, TW
94.43.225.152	AS35805 JSC "Silknet"	`0.92ms` from Tbilisi, GE
216.9.61.8	AS32787 Akamai Technologies, Inc.	`2.53ms` from Toronto, CA
94.101.104.40	AS208537 M3 Groep BV	`1.23ms` from Amsterdam, NL

Traceroute

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

traceroute -a -n -q1 -f3 203.112.75.241

traceroute to 203.112.75.241 (203.112.75.241): 64 hops max, 52 byte packets

3 [] 103.161.216.9 0.539 ms

4 [AS38031] 203.112.75.241 0.438 ms

Measurement taken from

IPinfo ProbeNet in Dhaka, BD

On December 14th 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.

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