Robtex

Up: 217.72.32.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 217.72.32.0/25
Down right: 217.72.32.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
217.72.32.16	A+PTR	ns.omninetwork.it
217.72.32.16	A	dns2.omninetwork.it
217.72.32.16	A	dev1.sis.it
217.72.32.25	PTR	dns3.omninetwork.it
217.72.32.25	A	mail.zuccatoenergia.fr
217.72.32.25	A	financeforfuture.gr
217.72.32.29	PTR	dns2.omninetwork.it
217.72.32.29	A	financeforfuture.es
217.72.32.29	A	dns3.omninetwork.it
217.72.32.35	A+PTR	dns-recursive-02.interplanet.it
217.72.32.35	A	dns3.interplanet.it
217.72.32.39	A	pigozzo.vr.it
217.72.32.50	PTR	c001.vic001.interplanet.isp.nflxvideo.net
217.72.32.50	A	ipv4_1.lagg0.c001.vic001.interplanet.isp.nflxvideo.net
217.72.32.50	A	occ-0-2715-778.1.nflxso.net
217.72.32.210	A	dns-recursive-02.interplanet.it
217.72.32.233	A+PTR	eugene.interplanet.it
217.72.32.234	A	eugene.interplanet.it
217.72.32.235	PTR	ip-235.32.72.217.interplanet.it
217.72.32.235	A	eugene.interplanet.it
217.72.32.236	A+PTR	eugene.interplanet.it
217.72.32.237	PTR	ip-237.32.72.217.interplanet.it
217.72.32.237	A	eugene.interplanet.it
217.72.32.238	A+PTR	eugene.interplanet.it
217.72.32.242	A+PTR	speedtest01.interplanet.it
217.72.32.242	A	speedtest02.interplanet.it
217.72.32.249	A	eugene.interplanet.it
217.72.32.250	PTR	ip-250.32.72.217.interplanet.it
217.72.32.250	A	eugene.interplanet.it
217.72.32.251	PTR	ip-251.32.72.217.interplanet.it
217.72.32.251	A	eugene.interplanet.it
217.72.32.251	A	ums-01.interplanet.it
217.72.32.252	A	eugene.interplanet.it
217.72.32.253	A+PTR	eugene.interplanet.it