Robtex

Up: 203.112.194.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.112.194.0/25
Down right: 203.112.194.128/25
(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	A+PTR	filter1.btcl.gov.bd
203.112.194.39	A+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