Robtex

Up: 203.128.72.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.128.73.0/25
Down right: 203.128.73.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.128.73.6	PTR	ip-73-6.neuviz.net.id
203.128.73.9	PTR	ip-73-9.neuviz.net.id
203.128.73.14	PTR	ip-73-14.neuviz.net.id
203.128.73.37	PTR	ip-73-37.neuviz.net.id
203.128.73.41	PTR	ip-73-41.neuviz.net.id
203.128.73.43	PTR	ip-73-43.neuviz.net.id
203.128.73.45	PTR	ip-73-45.neuviz.net.id
203.128.73.47	PTR	ip-73-47.neuviz.net.id
203.128.73.50	PTR	ip-73-50.neuviz.net.id
203.128.73.52	PTR	ip-73-52.neuviz.net.id
203.128.73.58	PTR	ip-58-73-128-203.neuviz.net.id
203.128.73.61	PTR	ip-73-61.neuviz.net.id
203.128.73.70	PTR	antara-hw.neuviz.net.id
203.128.73.77	PTR	ip-73-77.neuviz.net.id
203.128.73.88	PTR	ip-73-88.neuviz.net.id
203.128.73.90	PTR	ip-73-90.neuviz.net.id
203.128.73.94	PTR	ip-73-94.neuviz.net.id
203.128.73.100	PTR	ip-73-100.neuviz.net.id
203.128.73.105	PTR	ip-73-105.neuviz.net.id
203.128.73.118	PTR	ip-118-73-128-203.neuviz.net.id
203.128.73.123	PTR	ip-73-123.neuviz.net.id
203.128.73.123	A	mail.in-sekuritas.com
203.128.73.126	PTR	ip-73-126.neuviz.net.id
203.128.73.128	PTR	ip-128-73-128-203.neuviz.net.id
203.128.73.139	PTR	ip-73-139.neuviz.net.id
203.128.73.145	PTR	ip-73-145.neuviz.net.id
203.128.73.146	PTR	ip-73-146.neuviz.net.id
203.128.73.162	PTR	ip-73-162.neuviz.net.id
203.128.73.165	A	webmail.aseanfoundation.org
203.128.73.167	PTR	ip-73-167.neuviz.net.id
203.128.73.167	A	softwareoke.com
203.128.73.168	PTR	ip-73-168.neuviz.net.id
203.128.73.168	A	mail.ciscai.org
203.128.73.168	A	ciscai.org
203.128.73.169	PTR	ip-73-169.neuviz.net.id
203.128.73.169	A	mail.aseanfoundation.org
203.128.73.170	PTR	ip-73-170.neuviz.net.id
203.128.73.172	PTR	ip-73-172.neuviz.net.id
203.128.73.173	PTR	ip-73-173.neuviz.net.id
203.128.73.179	PTR	ip-73-179.neuviz.net.id
203.128.73.180	PTR	mail.integra.co.id
203.128.73.182	PTR	ip-73-182.neuviz.net.id
203.128.73.182	A	eauction.gunungsewu.com
203.128.73.183	PTR	ip-73-183.neuviz.net.id
203.128.73.185	PTR	ip-185-73-128-203.neuviz.net.id
203.128.73.185	A	savemax.co.id
203.128.73.186	PTR	ip-73-186.neuviz.net.id
203.128.73.187	PTR	ip-73-187.neuviz.net.id
203.128.73.187	A	b2b.savemax.co.id
203.128.73.188	PTR	ip-73-188.neuviz.net.id
203.128.73.190	PTR	ip-73-190.neuviz.net.id
203.128.73.190	A	sharefile.savemax.co.id
203.128.73.195	PTR	ip-73-195.neuviz.net.id
203.128.73.195	A	visijobs.com
203.128.73.195	A	vibizproperty.com
203.128.73.196	A+PTR	mx.batikweb.co
203.128.73.196	A	mx.vibiznews.com
203.128.73.196	A	mail.vibizresearch.com
203.128.73.209	PTR	ip-73-209.neuviz.net.id
203.128.73.210	PTR	ip-73-210.neuviz.net.id
203.128.73.220	PTR	ip-73-220.neuviz.net.id
203.128.73.232	PTR	ip-73-232.neuviz.net.id
203.128.73.239	PTR	ip-73-239.neuviz.net.id
203.128.73.243	PTR	ip-73-243.neuviz.net.id
203.128.73.246	PTR	ip-73-246.neuviz.net.id
203.128.73.252	PTR	ip-73-252.neuviz.net.id