Robtex

Up: 87.23.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 87.23.96.0/20
Down right: 87.23.112.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.23.98.202	A	host202-98-static.23-87-b.business.telecomitalia.it
87.23.100.120	A	host120-100-static.23-87-b.business.telecomitalia.it
87.23.102.155	A	mail.planforme.it
87.23.102.155	A	mail.depsrl.com
87.23.102.155	A	mail.australiaviaggi.com
87.23.103.129	PTR	host129-103-static.23-87-b.business.telecomitalia.it
87.23.107.55	A	host55-107-static.23-87-b.business.telecomitalia.it
87.23.108.4	PTR	host4-108-static.23-87-b.business.telecomitalia.it
87.23.108.4	A	mail.inndes.it
87.23.108.4	A	mail.inndes.com
87.23.108.59	A	host59-108-static.23-87-b.business.telecomitalia.it
87.23.109.121	A	mx.ivmgen.it
87.23.110.186	A	email.lammas.it
87.23.112.156	A	mail.noleggio-pc.com
87.23.118.34	A	mail2.re-mar.it
87.23.118.44	A	host44-118-static.23-87-b.business.telecomitalia.it
87.23.119.94	A	posta.mdmchatillon.it
87.23.119.94	A	mx.mdmchatillon.it
87.23.120.2	PTR	host2-120-static.23-87-b.business.telecomitalia.it
87.23.120.2	A	intranet.relectron.it
87.23.123.118	A	host118-123-static.23-87-b.business.telecomitalia.it
87.23.124.84	A	in.oegsrl.it
87.23.126.49	A	host49-126-static.23-87-b.business.telecomitalia.it
87.23.126.97	A+PTR	host97-126-static.23-87-b.business.telecomitalia.it
87.23.126.106	A	host106-126-static.23-87-b.business.telecomitalia.it