Robtex

Up: 120.50.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 120.50.0.0/23
Down right: 120.50.2.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
120.50.0.0	PTR	new-assigned-from-apnic-20-03-2008.telnet.net.bd
120.50.0.5	PTR	ws5-ensilnetwork-dm-ac1-p3.telnet.com.bd
120.50.0.7	PTR	ws7-ensilnetwork-dm-ac1-p3.telnet.com.bd
120.50.0.8	PTR	ws8-ensilnetwork-dm-ac1-p3.telnet.com.bd
120.50.0.15	PTR	ws15-ensilnetwork-dm-ac1-p3.telnet.com.bd
120.50.0.16	PTR	ws16-ensilnetwork-dm-ac1-p3.telnet.com.bd
120.50.0.19	PTR	ws19-ensilnetwork-dm-ac1-p3.telnet.com.bd
120.50.0.20	PTR	ws20-ensilnetwork-dm-ac1-p3.telnet.com.bd
120.50.0.23	PTR	ws23-ensilnetwork-dm-ac1-p3.telnet.com.bd
120.50.0.24	PTR	ws24-ensilnetwork-dm-ac1-p3.telnet.com.bd
120.50.0.49	PTR	new-assigned-from-apnic-20-03-2008.telnet-bd.com
120.50.0.59	PTR	ws2-tunghai-grp-telnet.com.bd
120.50.0.61	PTR	ws4-tunghai-grp-telnet.com.bd
120.50.0.77	PTR	ws4-nirjhar-pp-ac1-p14.telnet.com.bd
120.50.0.80	PTR	new-assigned-from-apnic-20-03-2008.telnet.net.bd
120.50.0.98	PTR	ws1-worldbank-dm-ag1-p14.telnet.com.bd
120.50.0.101	PTR	ws4-worldbank-dm-ag1-p14.telnet.com.bd
120.50.0.130	PTR	ws1-cashlink-mk-ac1-p10.telnet.com.bd
120.50.0.218	PTR	ws1-dewan-online-telnet.com.bd
120.50.0.220	PTR	labaidpharma.com
120.50.0.222	A+PTR	mail.labaidpharma.com
120.50.0.222	A	labaidpharma.com
120.50.0.222	A	www.labaidpharma.com
120.50.0.227	PTR	ws2-sunfortune-telnet.com.bd
120.50.1.1	PTR	gw-dm-office-software.telnet.com.bd
120.50.1.5	PTR	sobbyosachi.telnet-bd.com
120.50.1.21	PTR	new-assigned-from-apnic-20-03-2008.telnet-bd.com
120.50.1.24	PTR	new-assigned-from-apnic-20-03-2008.telnet.net.bd
120.50.1.34	PTR	new-assigned-from-apnic-20-03-2008.telnet.net.bd
120.50.1.37	PTR	sajib-home.telnet-bd.com
120.50.1.42	PTR	dm-office-wifi.telnet-bd.com
120.50.1.46	PTR	new-assigned-from-apnic-20-03-2008.telnet.net.bd
120.50.1.46	A	www.mobiboxbd.com
120.50.1.46	A	mail.mobigaan.com
120.50.1.52	PTR	pallab.telnet-bd.com
120.50.1.62	PTR	new-assigned-from-apnic-20-03-2008.telnet.net.bd
120.50.1.66	PTR	zaman.telnet-bd.com
120.50.1.68	PTR	hadi.telnet-bd.com
120.50.1.69	PTR	zahid.telnet-bd.com
120.50.1.90	PTR	new-assigned-from-apnic-20-03-2008.telnet.net.bd
120.50.1.95	PTR	bcast-dm-office-sales.telnet.com.bd
120.50.2.2	PTR	new-assigned-from-apnic-20-03-2008.telnet-bd.com
120.50.2.10	PTR	new-assigned-from-apnic-20-03-2008.telnet-bd.com
120.50.2.22	PTR	mail.gtechcp.com
120.50.2.114	PTR	webmail.indesore.com
120.50.2.178	PTR	new-assigned-from-apnic-20-03-2008.telnet-bd.com
120.50.2.194	PTR	new-assigned-from-apnic-20-03-2008.telnet-bd.com
120.50.2.238	PTR	new-assigned-from-apnic-20-03-2008.telnet-bd.com
120.50.2.255	PTR	new-assigned-from-apnic-20-03-2008.telnet-bd.com
120.50.3.0	PTR	new-assigned-from-apnic-20-03-2008.telnet-bd.com
120.50.3.2	PTR	ws1.maxico-airtravel-dm-ac5-p24.telnet.com.bd
120.50.3.195	PTR	new-assigned-from-apnic-20-03-2008.telnet.net.bd
120.50.3.255	PTR	new-assigned-from-apnic-20-03-2008.telnet-bd.com