Robtex

Up: 103.4.144.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 103.4.144.0/25
Down right: 103.4.144.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.4.144.4	A+PTR	dns1.nextonline.com.bd
103.4.144.4	A	ns1.bananinet.com
103.4.144.4	A	inforev-ng.com
103.4.144.5	PTR	myinternet.com.bd
103.4.144.5	A	mail.myinternet.net.bd
103.4.144.5	A	cp.myinternet.com.bd
103.4.144.6	A+PTR	dns2.nextonline.com.bd
103.4.144.6	A	inforev.net
103.4.144.6	A	nextfone.net.bd
103.4.144.7	PTR	dns3.nextonline.com.bd
103.4.144.7	A	inforev.net
103.4.144.7	A	sourcecodebd.net
103.4.144.8	A	helpdesk.nextonline.com.bd
103.4.144.10	A+PTR	mail.nextfone.com.bd
103.4.144.10	A+PTR	mail.nextonline.com.bd
103.4.144.10	PTR	mail.next.net.bd
103.4.144.11	PTR	mail.level3carrier.com
103.4.144.11	PTR	mail.level3carrier.net
103.4.144.11	A+PTR	mail.next.net.bd
103.4.144.12	PTR	mail.add-morefashion.com
103.4.144.12	A+PTR	mail.bananinet.com
103.4.144.12	A+PTR	mail.cholokheli.com
103.4.144.13	A+PTR	mail.inforev-ng.com
103.4.144.13	A+PTR	mail.nextnetbd.com
103.4.144.13	PTR	mail.worldnetbd.info
103.4.144.37	A	sip.nextfone.com.bd
103.4.144.74	PTR	103.4.144.74-nextonline.com.bd
103.4.144.114	PTR	103.4.144.114-nextonline.com.bd
103.4.144.123	PTR	103.4.144.123-nextonline.com.bd
103.4.144.130	PTR	103.4.144.130-nextonline.com.bd
103.4.144.130	A	mail.horoppa.net
103.4.144.130	A	horoppa.net
103.4.144.162	PTR	103.4.144.162-nextonline.com.bd
103.4.144.162	A	mail.cholokheli.com
103.4.144.162	A	www.cholokheli.com
103.4.144.164	PTR	103.4.144.164-nextonline.com.bd
103.4.144.164	A	cricbeats.com
103.4.144.184	PTR	mail.sonyrangs.com.bd
103.4.144.185	PTR	mail.rgc.com.bd
103.4.144.195	PTR	103.4.144.195-nextonline.com.bd
103.4.144.195	A	disneybd.net
103.4.144.196	A	www.mojabd.com
103.4.144.196	A	*.mojabd.com
103.4.144.196	A	mail.mojabd.com
103.4.144.197	A	www.instant-sms.com
103.4.144.197	A	instant-sms.com