Robtex

Up: 87.19.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 87.19.0.0/20
Down right: 87.19.16.0/20

IP	Type	Hostname
87.19.2.33	PTR	host33-2-dynamic.19-87-r.retail.telecomitalia.it
87.19.5.242	A	vns1.dyndns.org
87.19.6.1	PTR	host1-6-dynamic.19-87-r.retail.telecomitalia.it
87.19.7.2	PTR	host2-7-dynamic.19-87-r.retail.telecomitalia.it
87.19.7.131	PTR	host131-7-dynamic.19-87-r.retail.telecomitalia.it
87.19.9.2	PTR	host2-9-dynamic.19-87-r.retail.telecomitalia.it
87.19.12.2	PTR	host2-12-dynamic.19-87-r.retail.telecomitalia.it
87.19.18.3	PTR	host3-18-dynamic.19-87-r.retail.telecomitalia.it
87.19.18.225	PTR	host225-18-dynamic.19-87-r.retail.telecomitalia.it
87.19.19.210	A	linux.kasumoto.com
87.19.22.2	PTR	host2-22-dynamic.19-87-r.retail.telecomitalia.it
87.19.28.2	PTR	host2-28-dynamic.19-87-r.retail.telecomitalia.it