Robtex

Up: 103.239.248.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.239.252.0/23
Down right: 103.239.254.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.239.252.50	PTR	103-239-252-50.dhaka.dozeinternet.net
103.239.252.59	A+PTR	doze252-59.dozeinternet.com
103.239.252.68	PTR	doze252-68.dozeinternet.com
103.239.252.116	A	csprdb.com
103.239.252.131	PTR	doze252-131.dozeinternet.com
103.239.252.132	PTR	doze252-132.dozeinternet.com
103.239.252.132	A	smtp.carnival.com.bd
103.239.252.132	A	monitor.dozeinternet.com
103.239.252.135	A	linkingloop.com
103.239.252.138	PTR	doze252-138.dozeinternet.com
103.239.252.138	A	radio2008.com
103.239.252.138	A	mytwocups.com
103.239.252.141	PTR	103-239-252-141.dhaka.carnival.com.bd
103.239.252.141	A	qubee.ghoori.com.bd
103.239.252.141	A	skyshopbd.ghoori.com.bd
103.239.252.145	A	chorki.com
103.239.252.151	A+PTR	doze252-151.dozeinternet.com
103.239.252.151	A	dhakagate.com
103.239.252.151	A	www.dhakagate.com
103.239.252.158	PTR	mail.carnival.com.bd
103.239.252.158	A	mail3.carnival.com.bd
103.239.252.170	PTR	103-239-252-170.dhaka.carnival.com.bd
103.239.252.178	A+PTR	doze252-178.dozeinternet.com
103.239.252.186	A+PTR	doze252-186.dozeinternet.com
103.239.252.240	PTR	103-239-252-240.dhaka.carnival.com.bd
103.239.252.240	A	gameverse.com.bd
103.239.252.243	PTR	103-239-252-243.dhaka.carnival.com.bd
103.239.252.243	A	billbd.com
103.239.253.21	PTR	103-239-253-21.dhaka.carnival.com.bd
103.239.253.21	A	gtoptup.com
103.239.253.196	A	securepay.easypayway.com
103.239.254.3	A+PTR	doze254-3.dozeinternet.com
103.239.254.59	PTR	103-239-254-59.dhaka.carnival.com.bd
103.239.254.70	PTR	103-239-254-70.dhaka.carnival.com.bd
103.239.254.114	PTR	103-239-254-114.dhaka.carnival.com.bd
103.239.254.253	PTR	103-239-254-253.dhaka.carnival.com.bd
103.239.255.2	A+PTR	doze255-2.dozeinternet.com
103.239.255.10	PTR	103-239-255-10.dhaka.carnival.com.bd
103.239.255.41	PTR	103-239-255-41.dhaka.dozeinternet.net
103.239.255.41	A	freelancean.com
103.239.255.81	PTR	103-239-255-81.dhaka.dozeinternet.net
103.239.255.81	A	scontent.fdac22-1.fna.fbcdn.net
103.239.255.82	PTR	103-239-255-82.dhaka.dozeinternet.net
103.239.255.82	A	video.fdac22-1.fna.fbcdn.net
103.239.255.97	PTR	103-239-255-97.dhaka.dozeinternet.net
103.239.255.97	A	instagram.fdac22-1.fna.fbcdn.net
103.239.255.242	PTR	doze255-242.dozeinternet.com