Robtex

Up: 163.47.32.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 163.47.32.0/23
Down right: 163.47.34.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
163.47.33.20	A+PTR	mail.acacia12.com
163.47.33.20	PTR	mail.nfpriveadvisors.com
163.47.33.20	A+PTR	mail.lhotsesinvest.com
163.47.33.36	A	ns1.ismebd.com
163.47.33.37	A	ns2.ismebd.com
163.47.33.38	A+PTR	mail.ismebd.com
163.47.33.38	PTR	mail.invest-steps.com
163.47.33.44	A	www.invest-steps.com
163.47.33.44	A	bdsmefinancing.com
163.47.34.67	A+PTR	webmail.muratecbd.com
163.47.34.115	PTR	34.115.lyra.link3.net
163.47.34.242	PTR	34.242.lyra.link3.net
163.47.35.21	A	rite-books.com
163.47.35.82	A+PTR	mx-01.epassport.gov.bd
163.47.35.210	A+PTR	zmail.guardtechbd.com
163.47.35.211	PTR	cp.hostlandbd.com
163.47.35.211	A	narailpratidin.com
163.47.35.211	A	guardtechbd.com
163.47.35.214	A	ns2.hostlandbd.com