Robtex

Up: 203.112.192.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 203.112.194.0/24
Down right: 203.112.195.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.112.194.12	A	oldmail.bttb.net.bd
203.112.194.14	PTR	ns2.bttb.net.bd
203.112.194.14	PTR	proxy.bttb.net.bd
203.112.194.15	A+PTR	dns2.bttb.net.bd
203.112.194.15	A	dns2.btcl.net.bd
203.112.194.17	A	btcl.net.bd
203.112.194.17	A	newweb.bttb.net.bd
203.112.194.17	A	www.bttb.gov.bd
203.112.194.23	PTR	host23.btcl.net.bd
203.112.194.35	A+PTR	smtp.bttb.net.bd
203.112.194.35	A+PTR	mail.bttb.gov.bd
203.112.194.35	A	smtp.btcl.net.bd
203.112.194.36	PTR	mail.btcl.net.bd
203.112.194.36	PTR	mail1.btcl.net.bd
203.112.194.36	A+PTR	pop3.btcl.net.bd
203.112.194.38	A+PTR	filter2.btcl.gov.bd
203.112.194.38	A+PTR	filter2.btcl.net.bd
203.112.194.38	A+PTR	filter2.bttb.net.bd
203.112.194.39	PTR	filter1.btcl.gov.bd
203.112.194.39	PTR	filter1.btcl.net.bd
203.112.194.39	A+PTR	filter1.bttb.net.bd
203.112.194.40	A+PTR	host40.bttb.net.bd
203.112.194.40	A+PTR	mail1.bttb.net.bd
203.112.194.40	A	mail.bttb.net.bd
203.112.194.50	PTR	host50.btcl.net.bd
203.112.194.68	PTR	host68.btcl.net.bd
203.112.194.79	PTR	host79.btcl.net.bd
203.112.194.83	PTR	host83.btcl.net.bd
203.112.194.91	PTR	host91.btcl.net.bd
203.112.194.105	PTR	host105.btcl.net.bd
203.112.194.111	PTR	host111.btcl.net.bd
203.112.194.121	PTR	host121.btcl.net.bd
203.112.194.151	PTR	host151.btcl.net.bd
203.112.194.153	PTR	host153.btcl.net.bd
203.112.194.171	PTR	host171.btcl.net.bd
203.112.194.176	PTR	host176.btcl.net.bd
203.112.194.187	PTR	host187.btcl.net.bd
203.112.194.201	PTR	host201.btcl.net.bd
203.112.194.231	A	jamuna.btcl.net.bd
203.112.194.232	A	surma.btcl.net.bd
203.112.194.235	A	result.teletalk.com.bd
203.112.194.240	A+PTR	billing.bttb.net.bd
203.112.194.240	PTR	radius.bttb.net.bd
203.112.194.241	PTR	host241.btcl.net.bd
203.112.194.243	A	slave.bttb.net.bd
203.112.194.243	A	slave.btcl.net.bd
203.112.195.18	A+PTR	dns.pwd.gov.bd
203.112.195.18	A	pwd.gov.bd
203.112.195.19	A+PTR	mail.pwd.gov.bd
203.112.195.21	PTR	host21.btcl.net.bd
203.112.195.34	A+PTR	mail.banglacat.com
203.112.195.38	PTR	mail.btraccl.com
203.112.195.45	PTR	host45.btcl.net.bd
203.112.195.77	PTR	host77.btcl.net.bd
203.112.195.79	PTR	host79.btcl.net.bd
203.112.195.86	PTR	host86.btcl.net.bd
203.112.195.90	PTR	mail.ugc.gov.bd
203.112.195.90	PTR	host90.btcl.net.bd
203.112.195.95	PTR	host95.btcl.net.bd
203.112.195.108	PTR	mail.teletalk.com.bd
203.112.195.108	PTR	host108.btcl.net.bd
203.112.195.110	PTR	dns.teletalk.com.bd
203.112.195.110	A	dns.joinbangladesharmy.mil.bd
203.112.195.130	A	bmet.org.bd
203.112.195.130	A	www.bmet.org.bd
203.112.195.130	A	ns2.bmet.org.bd
203.112.195.131	A	bmet.org.bd
203.112.195.132	PTR	host132.btcl.net.bd
203.112.195.136	A	mail.bmet.org.bd
203.112.195.137	PTR	host137.btcl.net.bd
203.112.195.140	PTR	host140.btcl.net.bd
203.112.195.151	PTR	sustmail.sust.edu
203.112.195.151	PTR	host151.btcl.net.bd
203.112.195.162	A	sesdp.gov.bd
203.112.195.162	A	application.emis.gov.bd
203.112.195.162	A	emis.gov.bd
203.112.195.194	PTR	host194.btcl.net.bd
203.112.195.194	A	bdneg.net
203.112.195.194	A	mail.bdneg.org
203.112.195.196	PTR	mail.btrc.gov.bd
203.112.195.198	PTR	host198.btcl.net.bd
203.112.195.234	A+PTR	email.fisheries.gov.bd
203.112.195.234	A	main.fisheries.gov.bd
203.112.195.235	PTR	host235.btcl.net.bd
203.112.195.236	PTR	host236.btcl.net.bd
203.112.195.237	PTR	host237.btcl.net.bd
203.112.195.238	PTR	host238.btcl.net.bd
203.112.195.251	PTR	host251.btcl.net.bd