Robtex

Up: 43.240.96.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 43.240.100.0/23
Down right: 43.240.102.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
43.240.100.69	A	mblwatchmanbd.com
43.240.100.90	A+PTR	mail.rezagroup-bd.com
43.240.100.134	A+PTR	nospam.metro.net.bd
43.240.100.135	A+PTR	ex01.metro.net.bd
43.240.100.135	A+PTR	mail.metro.net.bd
43.240.100.138	A+PTR	ex02.metro.net.bd
43.240.100.143	A+PTR	spam.metro.net.bd
43.240.101.56	A	revefoods.com
43.240.101.56	A	www.lerevecraze.com
43.240.101.56	A	ruposhi-proactive-village.com
43.240.101.61	A	fembosa.org
43.240.101.211	A+PTR	mail.vertexgroup.com.bd
43.240.101.211	A	vertexgroup.com.bd
43.240.102.2	A	soshgcdhaka.edu.bd
43.240.102.2	A	oemsbd.com
43.240.102.2	A	zcpsc.edu.bd
43.240.102.18	A+PTR	bis.bitopibd.com
43.240.102.18	A	www.bitopi-group.com
43.240.102.18	A	bitopi-group.com
43.240.102.43	A	misami.com
43.240.102.43	A	mail.bitopibd.com
43.240.102.44	A	bitopibd.com
43.240.102.44	A	www.tarasima.com
43.240.102.54	A	ex-01.mfgbd.net
43.240.102.54	A	mail.mfgbd.net
43.240.102.63	PTR	sip.mfgbd.net
43.240.102.74	PTR	ex01.mfgbd.net
43.240.102.74	A+PTR	mail.mfgbd.net
43.240.102.75	A+PTR	ex02.mfgbd.net
43.240.102.75	A+PTR	mail.mfgbd.net
43.240.102.150	A	mail.tghs.edu.bd
43.240.102.150	A	ns1.zcpsc.edu.bd
43.240.102.150	A	ns1.kgsck.edu.bd
43.240.102.163	A+PTR	mail.textowngroup.com
43.240.103.3	A	bd-haproxy.enterfactory.com
43.240.103.3	A	bd-haproxy.wapsite.com
43.240.103.5	A+PTR	mail.kabbo.org
43.240.103.12	A	us3.amarserver.com
43.240.103.12	A	bd1.amarserver.com
43.240.103.18	A+PTR	lanex01.lantaburgroup.com
43.240.103.18	A+PTR	mail.lantaburgroup.com
43.240.103.25	A	mojarbangla.com