Robtex

Up: 221.120.96.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 221.120.96.0/22
Down right: 221.120.100.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
221.120.96.2	A+PTR	ns1.aknetbd.com
221.120.96.2	A	purabiinsurance.com
221.120.96.2	A	hotelzakariabd.com
221.120.96.3	PTR	mx2.aknetbd.com
221.120.96.3	PTR	ns2.aknetbd.com
221.120.96.5	PTR	mx1.aknetbd.com
221.120.96.5	A	mail.aknetbd.com
221.120.96.8	A	www.aknetbd.net
221.120.96.8	A	explore97.com
221.120.96.8	A	deengroupbd.com
221.120.96.10	PTR	www.aknetbd.com
221.120.96.12	PTR	mail.aknetbd.net
221.120.96.60	A	aknetbd.net
221.120.96.100	A	regent-bd.com
221.120.96.138	A+PTR	motijheel-pop.aknetbd.net
221.120.96.244	A+PTR	holiday-pop.aknetbd.net
221.120.97.21	A	mail.joshbox.com.bd
221.120.97.32	A	mail.rtmint.org
221.120.97.34	A	rite-books.com
221.120.97.36	A	rite-hms.com
221.120.97.226	A+PTR	mail.nlibd.com
221.120.98.84	A	www.gpsurf.net
221.120.98.158	A	i-infomedia.com
221.120.98.158	A	lcsguild.com
221.120.98.158	A	www.i-infomedia.com
221.120.98.220	A+PTR	mail.akkhan.com
221.120.98.221	A	webmail.akkhan.com
221.120.99.18	A	mail.chocobarbd.com
221.120.99.18	A	augusttech.com.bd
221.120.99.18	A	www.augusttech.com.bd
221.120.99.19	A+PTR	bd.golive.email
221.120.99.54	PTR	mx10.aknetbd.com
221.120.99.54	PTR	mail.i-kproperties.com.bd
221.120.99.54	A	mail.ecochembd.com
221.120.99.110	A+PTR	mail.akkhansecurities.com
221.120.99.110	A	akkhansecurities.com
221.120.99.110	A	www.akkhansecurities.com
221.120.99.174	PTR	sgl.shantagroup.com
221.120.99.174	A+PTR	mail.sgl.shantagroup.com
221.120.99.205	A	getinsurancebd.com
221.120.100.18	A+PTR	mx-01.vanggi.com
221.120.100.90	A	smtp.dartbd.com
221.120.100.134	A	hris.sfdw.org
221.120.100.135	A+PTR	mail.sfdw.org
221.120.100.238	A	mail.i-kproperties.com.bd
221.120.100.248	A	central.cefalo.com
221.120.100.248	A	system.cefalolab.com
221.120.100.254	A	system.cefalolab.com
221.120.100.254	A	cefalolab.com
221.120.101.2	A	silepz.shantagroup.com
221.120.101.2	A	mail.silepz.shantagroup.com
221.120.101.5	A+PTR	mail.sildhk.shantagroup.com
221.120.101.5	A	sildhk.shantagroup.com
221.120.101.11	PTR	mail1.tropica-bd.com
221.120.101.53	A+PTR	mail.newwave-dhaka.com
221.120.101.94	PTR	mail2.btraccl.com
221.120.101.123	A	www.ryans.com.bd
221.120.101.166	PTR	antispam.hotelzakaraibd.com
221.120.101.166	A	antispam.hotelzakariabd.com
221.120.101.194	A+PTR	mail2.banglacat.com
221.120.102.3	A	3ilogistics.com
221.120.102.34	A+PTR	mail.kiclbd.com
221.120.102.50	A	sgl.shantagroup.com
221.120.102.67	A	aiscriptweb.com
221.120.102.243	A+PTR	mail.bcas.net
221.120.103.131	A	mail.capmbd.com
221.120.103.132	A	mail.capmadvisorybd.com
221.120.103.133	A	mail.cftibd.org
221.120.103.134	A	mail.finjobsbd.com
221.120.103.142	A	www.capmbd.com
221.120.103.148	A	mail.capmfinance.com
221.120.103.165	A+PTR	mx30.aknetbd.com
221.120.103.165	A+PTR	mail.hotelzakariabd.com
221.120.103.171	A	www.aktelecom.net
221.120.103.172	PTR	mail.dsmcom.net
221.120.103.172	A	www.ecochembd.com
221.120.103.234	A+PTR	zmail.siatexsourcing.com
221.120.103.237	A	www.bgba.net
221.120.103.237	A	view-pictures.bgba.net
221.120.103.237	A	*.bgba.net
221.120.103.238	PTR	mail.idexk.com
221.120.103.244	A+PTR	mail.knitwearltd.com
221.120.103.244	A	knitwearltd.com
221.120.103.244	A	ns2.siatexsourcing.com
221.120.103.246	A	www.siatex.org
221.120.103.247	PTR	mail.siatexsl.com
221.120.103.248	A	siatexltd.com
221.120.103.248	A	ns1.siatexbd.com
221.120.103.249	A	mail.shadana.com
221.120.103.250	A	mail.garmexpo.com