Robtex

Up: 87.18.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 87.18.64.0/20
Down right: 87.18.80.0/20

IP	Type	Hostname
87.18.68.20	A	ad5177.iview.hk
87.18.69.1	PTR	host1-69-dynamic.18-87-r.retail.telecomitalia.it
87.18.70.65	PTR	host65-70-dynamic.18-87-r.retail.telecomitalia.it
87.18.73.194	PTR	host194-73-dynamic.18-87-r.retail.telecomitalia.it
87.18.79.64	PTR	host64-79-dynamic.18-87-r.retail.telecomitalia.it
87.18.82.32	PTR	host32-82-dynamic.18-87-r.retail.telecomitalia.it
87.18.86.194	PTR	host194-86-dynamic.18-87-r.retail.telecomitalia.it
87.18.89.225	PTR	host225-89-dynamic.18-87-r.retail.telecomitalia.it