Robtex

Up: 87.18.0.0/15
Can't show all results, try to descend to a more specific CIDR
Down left: 87.19.0.0/17
Down right: 87.19.128.0/17

IP	Type	Hostname
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
87.19.9.2	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
87.19.19.210	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
87.19.36.2	PTR	host2-36-dynamic.19-87-r.retail.telecomitalia.it
87.19.38.3	PTR	host3-38-dynamic.19-87-r.retail.telecomitalia.it
87.19.43.2	PTR	host2-43-dynamic.19-87-r.retail.telecomitalia.it
87.19.43.4	PTR	host4-43-dynamic.19-87-r.retail.telecomitalia.it
87.19.57.1	PTR	host1-57-dynamic.19-87-r.retail.telecomitalia.it
87.19.57.4	PTR	host4-57-dynamic.19-87-r.retail.telecomitalia.it
87.19.61.1	PTR	host-87-19-61-1.retail.telecomitalia.it
87.19.63.1	PTR	host1-63-dynamic.19-87-r.retail.telecomitalia.it
87.19.66.1	PTR	host1-66-dynamic.19-87-r.retail.telecomitalia.it
87.19.69.1	PTR	host1-69-dynamic.19-87-r.retail.telecomitalia.it
87.19.86.54	A	vallascas.com
87.19.93.124	A	in.mirasole.org
87.19.103.167	A	torrefarometeo.myftp.org
87.19.106.24	A	rockymrg.ddns.net
87.19.113.77	A	cippishome.net
87.19.120.32	A	mail.coldplast.com
87.19.123.186	A	iz5ilh.dyns.cx
87.19.129.1	PTR	host1-129-dynamic.19-87-r.retail.telecomitalia.it
87.19.133.87	A	posta2.controtelaiemmegi.it
87.19.138.3	PTR	host3-138-dynamic.19-87-r.retail.telecomitalia.it
87.19.141.162	A	vesevo.safe100.net
87.19.143.4	PTR	host4-143-dynamic.19-87-r.retail.telecomitalia.it
87.19.144.92	A	vesevo.safe100.net
87.19.159.50	A	lampone.org
87.19.214.3	PTR	host3-214-dynamic.19-87-r.retail.telecomitalia.it
87.19.220.2	PTR	host2-220-dynamic.19-87-r.retail.telecomitalia.it
87.19.226.220	A	mail.agyoohtxt.info
87.19.244.101	A	ts3services.co.uk
87.19.248.117	A	mcrlecce.net