Robtex

Up: 72.46.156.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 72.46.158.0/24
Down right: 72.46.159.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.46.158.0	PTR	72-46-158.unassigned.userdns.com
72.46.158.5	PTR	72-46-158.unassigned.userdns.com
72.46.158.6	PTR	72-46-158.unassigned.userdns.com
72.46.158.7	PTR	72-46-158.unassigned.userdns.com
72.46.158.8	PTR	72-46-158.unassigned.userdns.com
72.46.158.15	PTR	72-46-158.unassigned.userdns.com
72.46.158.16	PTR	72-46-158.unassigned.userdns.com
72.46.158.18	PTR	72-46-158.unassigned.userdns.com
72.46.158.19	PTR	72-46-158.unassigned.userdns.com
72.46.158.22	PTR	72-46-158.unassigned.userdns.com
72.46.158.25	PTR	72-46-158.unassigned.userdns.com
72.46.158.29	PTR	72-46-158.unassigned.userdns.com
72.46.158.30	PTR	72-46-158.unassigned.userdns.com
72.46.158.32	PTR	72-46-158.unassigned.userdns.com
72.46.158.33	PTR	72-46-158.unassigned.userdns.com
72.46.158.34	PTR	72-46-158.unassigned.userdns.com
72.46.158.36	PTR	72-46-158.unassigned.userdns.com
72.46.158.40	PTR	72-46-158.unassigned.userdns.com
72.46.158.41	PTR	72-46-158.unassigned.userdns.com
72.46.158.42	PTR	72-46-158.unassigned.userdns.com
72.46.158.43	PTR	72-46-158.unassigned.userdns.com
72.46.158.46	PTR	72-46-158.unassigned.userdns.com
72.46.158.50	A+PTR	server.brg8.com
72.46.158.50	A	www.forum.brg8.com
72.46.158.50	A	dirc.brg8.com
72.46.158.51	PTR	72-46-158.unassigned.userdns.com
72.46.158.55	PTR	72-46-158.unassigned.userdns.com
72.46.158.58	PTR	vpncloud.us
72.46.158.59	PTR	vpncloud.us
72.46.158.60	PTR	vpncloud.us
72.46.158.61	PTR	vpncloud.us
72.46.158.62	PTR	vpncloud.us
72.46.158.64	PTR	72-46-158.unassigned.userdns.com
72.46.158.65	PTR	72-46-158.unassigned.userdns.com
72.46.158.66	PTR	72-46-158.unassigned.userdns.com
72.46.158.69	PTR	72-46-158.unassigned.userdns.com
72.46.158.70	PTR	72-46-158.unassigned.userdns.com
72.46.158.71	PTR	72-46-158.unassigned.userdns.com
72.46.158.72	PTR	72-46-158.unassigned.userdns.com
72.46.158.73	PTR	72-46-158.unassigned.userdns.com
72.46.158.74	PTR	72-46-158.unassigned.userdns.com
72.46.158.75	PTR	72-46-158.unassigned.userdns.com
72.46.158.76	PTR	72-46-158.unassigned.userdns.com
72.46.158.77	PTR	72-46-158.unassigned.userdns.com
72.46.158.81	PTR	72-46-158.unassigned.userdns.com
72.46.158.82	A	fede6c8a19130da1.cdn.jiashule.com
72.46.158.85	PTR	72-46-158.unassigned.userdns.com
72.46.158.87	PTR	72-46-158.unassigned.userdns.com
72.46.158.88	PTR	72-46-158.unassigned.userdns.com
72.46.158.89	PTR	72-46-158.unassigned.userdns.com
72.46.158.90	PTR	72-46-158.unassigned.userdns.com
72.46.158.91	PTR	72-46-158.unassigned.userdns.com
72.46.158.106	PTR	prospero.medialivethree.com
72.46.158.106	A	pr0craft.tk
72.46.158.107	A	mx.theninjaclan.eu.org
72.46.158.109	A	mail.titanic-radio.net
72.46.158.113	PTR	72-46-158.unassigned.userdns.com
72.46.158.117	PTR	72-46-158.unassigned.userdns.com
72.46.158.118	PTR	72-46-158.unassigned.userdns.com
72.46.158.118	A	alexacorp.net
72.46.158.119	PTR	72-46-158.unassigned.userdns.com
72.46.158.122	PTR	colafactory.net
72.46.158.122	A	ns1.servermundi.org
72.46.158.123	A	ns2.msinteractiva.com
72.46.158.126	PTR	72-46-158.unassigned.userdns.com
72.46.158.128	PTR	72-46-158.unassigned.userdns.com
72.46.158.129	PTR	72-46-158.unassigned.userdns.com
72.46.158.130	PTR	72-46-158.unassigned.userdns.com
72.46.158.131	PTR	72-46-158.unassigned.userdns.com
72.46.158.133	A	ns1.a.com.pk
72.46.158.133	A	www.soft.pk
72.46.158.134	PTR	72-46-158.unassigned.userdns.com
72.46.158.135	PTR	72-46-158.unassigned.userdns.com
72.46.158.136	PTR	72-46-158.unassigned.userdns.com
72.46.158.137	PTR	72-46-158.unassigned.userdns.com
72.46.158.140	A	tammermove.com
72.46.158.140	A	ns2.stripebay.com
72.46.158.141	A	ns1.stripebay.com
72.46.158.141	A	stripebay.com
72.46.158.142	PTR	72-46-158.unassigned.userdns.com
72.46.158.143	PTR	72-46-158.unassigned.userdns.com
72.46.158.145	PTR	72-46-158.unassigned.userdns.com
72.46.158.148	PTR	72-46-158.unassigned.userdns.com
72.46.158.150	PTR	72-46-158.unassigned.userdns.com
72.46.158.152	PTR	72-46-158.unassigned.userdns.com
72.46.158.163	PTR	72-46-158.unassigned.userdns.com
72.46.158.164	PTR	72-46-158.unassigned.userdns.com
72.46.158.165	PTR	72-46-158.unassigned.userdns.com
72.46.158.167	PTR	72-46-158.unassigned.userdns.com
72.46.158.168	PTR	72-46-158.unassigned.userdns.com
72.46.158.169	PTR	72-46-158.unassigned.userdns.com
72.46.158.171	PTR	72-46-158.unassigned.userdns.com
72.46.158.172	PTR	72-46-158.unassigned.userdns.com
72.46.158.174	PTR	72-46-158.unassigned.userdns.com
72.46.158.176	PTR	72-46-158.unassigned.userdns.com
72.46.158.177	PTR	72-46-158.unassigned.userdns.com
72.46.158.178	PTR	72-46-158.unassigned.userdns.com
72.46.158.181	PTR	72-46-158.unassigned.userdns.com
72.46.158.182	PTR	72-46-158.unassigned.userdns.com
72.46.158.184	PTR	72-46-158.unassigned.userdns.com
72.46.158.185	PTR	72-46-158.unassigned.userdns.com
72.46.158.186	A+PTR	dunmore.noc401.com
72.46.158.186	A	badwap.me
72.46.158.186	A	dunmore.noc40.com
72.46.158.187	PTR	72-46-158.unassigned.userdns.com
72.46.158.187	A	dc-f124f2f8.hridayaragam.com
72.46.158.188	PTR	72-46-158.unassigned.userdns.com
72.46.158.189	PTR	72-46-158.unassigned.userdns.com
72.46.158.190	PTR	72-46-158.unassigned.userdns.com
72.46.158.192	PTR	72-46-158.unassigned.userdns.com
72.46.158.195	PTR	72-46-158.unassigned.userdns.com
72.46.158.196	PTR	72-46-158.unassigned.userdns.com
72.46.158.197	PTR	72-46-158.unassigned.userdns.com
72.46.158.200	PTR	72-46-158.unassigned.userdns.com
72.46.158.203	PTR	72-46-158.unassigned.userdns.com
72.46.158.205	PTR	72-46-158.unassigned.userdns.com
72.46.158.207	PTR	72-46-158.unassigned.userdns.com
72.46.158.210	PTR	72-46-158.unassigned.userdns.com
72.46.158.212	PTR	72-46-158.unassigned.userdns.com
72.46.158.214	PTR	72-46-158.unassigned.userdns.com
72.46.158.220	PTR	72-46-158.unassigned.userdns.com
72.46.158.221	PTR	72-46-158.unassigned.userdns.com
72.46.158.222	PTR	72-46-158.unassigned.userdns.com
72.46.158.222	A	mail.videotalkforums.com
72.46.158.226	PTR	72-46-158.unassigned.userdns.com
72.46.158.226	A	ns1.blazetechconsulting.com
72.46.158.226	A	ns1.hostscott.com
72.46.158.227	PTR	72-46-158.unassigned.userdns.com
72.46.158.227	A	ns2.fox3hosting.com
72.46.158.227	A	ns2.hostscott.com
72.46.158.228	PTR	72-46-158.unassigned.userdns.com
72.46.158.230	PTR	72-46-158.unassigned.userdns.com
72.46.158.231	PTR	72-46-158.unassigned.userdns.com
72.46.158.237	PTR	72-46-158.unassigned.userdns.com
72.46.158.238	PTR	72-46-158.unassigned.userdns.com
72.46.158.239	PTR	72-46-158.unassigned.userdns.com
72.46.158.239	A	sunstonehosting.com
72.46.158.239	A	ns1.sunstonehosting.com
72.46.158.240	PTR	72-46-158.unassigned.userdns.com
72.46.158.241	PTR	72-46-158.unassigned.userdns.com
72.46.158.242	A	ssagimain.net
72.46.158.243	PTR	72-46-158.unassigned.userdns.com
72.46.158.244	A	www.linux-howto.com
72.46.158.244	A	www.srbijaturist.com
72.46.158.245	PTR	72-46-158.unassigned.userdns.com
72.46.158.245	A	www.thewiredpress.com
72.46.158.245	A	dc-37c1eaf7.betacentury.co.uk
72.46.158.246	PTR	72-46-158.unassigned.userdns.com
72.46.158.249	PTR	72-46-158.unassigned.userdns.com
72.46.158.250	PTR	72-46-158.unassigned.userdns.com
72.46.158.250	A	mail.drpbusiness.com
72.46.158.250	A	mail.valhallaresearchforest.org
72.46.158.253	PTR	72-46-158.unassigned.userdns.com
72.46.159.6	A	ns2.owndating.com
72.46.159.10	PTR	72-46-159.unassigned.userdns.com
72.46.159.10	A	familylifewithrussianwomen.com
72.46.159.196	PTR	72-46-159.unassigned.userdns.com
72.46.159.206	A	girlieburb.com