Robtex

Up: 87.23.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 87.23.32.0/20
Down right: 87.23.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.23.32.2	A	host2-32-static.23-87-b.business.telecomitalia.it
87.23.32.84	A	mx1.musso.net
87.23.32.84	A	musso.net
87.23.32.84	A	mx2.musso.net
87.23.33.14	A	www.iv3ndr.it
87.23.33.14	A	www.tects.it
87.23.33.14	A	host14-33-static.23-87-b.business.telecomitalia.it
87.23.33.70	A	host70-33-static.23-87-b.business.telecomitalia.it
87.23.33.199	A	host199-33-static.23-87-b.business.telecomitalia.it
87.23.34.95	A	mail.wip-srl.it
87.23.36.2	A	host2-36-static.23-87-b.business.telecomitalia.it
87.23.36.64	PTR	host64-36-static.23-87-b.business.telecomitalia.it
87.23.37.124	A	host124-37-static.23-87-b.business.telecomitalia.it
87.23.37.142	A	host142-37-static.23-87-b.business.telecomitalia.it
87.23.39.82	A	host82-39-static.23-87-b.business.telecomitalia.it
87.23.43.14	A	host14-43-static.23-87-b.business.telecomitalia.it
87.23.43.63	A	host63-43-static.23-87-b.business.telecomitalia.it
87.23.43.70	A	host70-43-static.23-87-b.business.telecomitalia.it
87.23.43.81	A	host81-43-static.23-87-b.business.telecomitalia.it
87.23.43.139	A	host139-43-static.23-87-b.business.telecomitalia.it
87.23.43.145	A	host145-43-static.23-87-b.business.telecomitalia.it
87.23.43.147	A	host147-43-static.23-87-b.business.telecomitalia.it
87.23.43.162	A+PTR	host162-43-static.23-87-b.business.telecomitalia.it
87.23.43.176	A	host176-43-static.23-87-b.business.telecomitalia.it
87.23.43.177	A	host177-43-static.23-87-b.business.telecomitalia.it
87.23.43.194	A+PTR	host194-43-static.23-87-b.business.telecomitalia.it
87.23.44.80	A	host80-44-static.23-87-b.business.telecomitalia.it
87.23.47.163	A	mx1.tononing.it
87.23.47.239	A	mail.contemm.it
87.23.48.32	PTR	host32-48-static.23-87-b.business.telecomitalia.it
87.23.48.32	A	mx.feriani.it
87.23.49.131	A	imap.undercolorslepiramidi.com
87.23.49.131	A	mail.matteoalberti.it
87.23.49.131	A	mail.undercolorslepiramidi.com
87.23.51.1	A+PTR	host1-51-static.23-87-b.business.telecomitalia.it
87.23.51.89	A	host89-51-static.23-87-b.business.telecomitalia.it
87.23.51.94	A	host94-51-static.23-87-b.business.telecomitalia.it
87.23.51.110	A	host110-51-static.23-87-b.business.telecomitalia.it
87.23.51.132	A	mx20.pentaassociati.it
87.23.54.85	A	host85-54-static.23-87-b.business.telecomitalia.it
87.23.55.44	A	www.tlstudio.it
87.23.56.231	A	mx.archermall.com
87.23.57.58	A	host58-57-static.23-87-b.business.telecomitalia.it
87.23.61.226	A	exch.csi2000srl.net
87.23.62.65	A	mail.biogasengineering.it
87.23.62.125	A	mail1.aei-srl.com
87.23.63.171	A	host171-63-static.23-87-b.business.telecomitalia.it