Robtex

Up: 103.16.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 103.16.72.0/23
Down right: 103.16.74.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.16.72.2	PTR	bdapps.prothom-alo.com
103.16.72.2	A	prothom-alojobs.com
103.16.72.2	A	proyozon.com
103.16.72.4	PTR	103.16.72-4.bdcom.com
103.16.72.4	A	bd.prothom-alo.com
103.16.72.4	A	bd.prothomalo.com
103.16.72.6	PTR	103.16.72-6.bdcom.com
103.16.72.7	PTR	103.16.72-7.bdcom.com
103.16.72.195	PTR	103.16.72-195.bdcom.com
103.16.73.109	A	zmail.2dsky.com
103.16.73.252	A	mail.sinhamedlar.com
103.16.73.252	A	www.sinhamedlar.com
103.16.74.82	PTR	103.16.74-82.bdcom.com
103.16.74.82	A	poriborton.com
103.16.74.82	A	m.poriborton.com
103.16.74.98	A	jagonews24.net
103.16.74.98	A	banglaprosashok.jagonews24.info
103.16.74.114	PTR	103.16.74-114.bdcom.com
103.16.74.114	A	malaysia.ntvbd.com
103.16.74.114	A	saudiarabia.ntvbd.com
103.16.74.130	PTR	103.16.74-130.bdcom.com
103.16.74.130	A	campaign.thedailystar.net
103.16.74.130	A	archive.thedailystar.net
103.16.74.133	A	epaper.thedailystar.net
103.16.74.138	PTR	103.16.74-138.bdcom.com
103.16.74.138	A	alerts.thedailystar.net
103.16.74.138	A	bd.thedailystar.net
103.16.74.156	PTR	103.16.74-156.bdcom.com
103.16.74.156	A	m.banglatribune.com
103.16.74.156	A	service.banglatribune.com
103.16.74.171	PTR	103.16.74-171.bdcom.com
103.16.74.218	PTR	103.16.74-218.bdcom.com
103.16.74.218	A	jibon.prothom-alo.com
103.16.74.226	A	archive.banglatribune.com
103.16.74.234	A+PTR	convocation.nu.edu.bd
103.16.74.234	A	www.nubd.info
103.16.74.234	A	nubd.info
103.16.74.246	PTR	103.16.74-246.bdcom.com
103.16.74.247	A	alerts.tbsnews.net
103.16.74.251	PTR	103.16.74-251.bdcom.com
103.16.74.251	A	bpdb.gov.bd
103.16.74.254	A	digitallifestylebd.com
103.16.75.2	PTR	103.16.75-2.bdcom.com
103.16.75.10	PTR	103.16.75-10.bdcom.com
103.16.75.10	A	www.abcradiobd.fm
103.16.75.10	A	abcradiobd.com
103.16.75.18	PTR	103.16.75-18.bdcom.com
103.16.75.30	PTR	vcloud.bdcom.com
103.16.75.30	A	bigganchinta.com
103.16.75.30	A	www.skylinkisp.org
103.16.75.190	PTR	103.16.75-190.bdcom.com