Robtex

Up: 115.127.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 115.127.16.0/22
Down right: 115.127.20.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
115.127.16.3	PTR	115.127.16.3.bracnet.net
115.127.16.17	PTR	motijheel-aggr-rt01-gev0v0v714-sec2.bracnet.com.bd
115.127.17.34	PTR	115.127.17.34.bracnet.net
115.127.17.35	PTR	115.127.17.35.bracnet.net
115.127.17.42	PTR	115.127.17.42.bracnet.net
115.127.17.193	PTR	115.127.17.193.bracnet.net
115.127.17.248	PTR	115.127.17.248.bracnet.net
115.127.18.17	PTR	115.127.18.17.bracnet.net
115.127.18.18	PTR	115.127.18.18.bracnet.net
115.127.18.66	PTR	115.127.18.66.bracnet.net
115.127.18.70	A	webmail.brac.net
115.127.18.71	A	barracuda.brac.net
115.127.18.74	PTR	115.127.18.74.bracnet.net
115.127.18.74	A	smtp01.brac.net
115.127.18.94	A	e-education.brac.net
115.127.18.113	PTR	115.127.18.113.bracnet.net
115.127.18.113	A	mybrac.brac.net
115.127.18.122	PTR	115.127.18.122.bracnet.net
115.127.19.67	PTR	115.127.19.67.bracnet.net
115.127.19.67	A	www.bihsh.org.bd
115.127.19.67	A	mail.bihsh.org.bd
115.127.19.105	A	dhanmondi-aggr-rt01-gev0v0v990.bracnet.com.bd
115.127.19.210	PTR	115.127.19.210.bracnet.net
115.127.19.233	PTR	115.127.19.233.bracnet.net
115.127.19.234	PTR	email.asabd.org
115.127.19.251	A+PTR	mail.bbjabc.com
115.127.20.59	PTR	115.127.20.59.bracnet.net
115.127.20.59	A	mx1.dadagroup-bd.com
115.127.20.59	A	mail.dadagroup-bd.com
115.127.20.60	A	mail.dadagroup-bd.com
115.127.20.82	PTR	115.127.20.82.bracnet.net
115.127.20.163	PTR	115.127.20.163.bracnet.net
115.127.20.163	A	mail.tajarat-group.com
115.127.20.178	PTR	115.127.20.178.bracnet.net
115.127.20.211	A+PTR	mail.diu-bd.net
115.127.20.218	PTR	115.127.20.218.bracnet.net
115.127.21.163	PTR	115.127.21.163.bracnet.net
115.127.21.242	PTR	mail.hamidgroup.org
115.127.21.242	A+PTR	mail.hamidgroup.com.bd
115.127.21.244	A	ns1.camerichbd.com
115.127.21.245	A	mail.hamidgroup.org
115.127.21.245	A	mail.indexelevator.com
115.127.22.138	PTR	115.127.22.138.bracnet.net
115.127.22.195	PTR	115.127.22.195.bracnet.net
115.127.23.11	PTR	115.127.23.11.bracnet.net
115.127.23.18	PTR	115.127.23.18.bracnet.net
115.127.23.26	PTR	115.127.23.26.bracnet.net
115.127.23.42	PTR	115.127.23.42.bracnet.net
115.127.23.42	A	mail.dynastygroupbd.com
115.127.23.48	PTR	115.127.23.48.bracnet.net
115.127.23.50	PTR	115.127.23.50.bracnet.net
115.127.23.59	PTR	115.127.23.59.bracnet.net
115.127.23.106	PTR	115.127.23.106.bracnet.net
115.127.23.129	PTR	115.127.23.129.bracnet.net
115.127.23.138	PTR	115.127.23.138.bracnet.net
115.127.23.152	PTR	115.127.23.152.bracnet.net
115.127.23.171	PTR	115.127.23.171.bracnet.net
115.127.23.201	PTR	115.127.23.201.bracnet.net
115.127.23.211	PTR	115.127.23.211.bracnet.net
115.127.23.211	A	mail.blueoceanfootwear.com
115.127.23.218	PTR	115.127.23.218.bracnet.net