Robtex

Up: 87.23.64.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 87.23.64.0/20
Down right: 87.23.80.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
87.23.66.29	A	host29-66-static.23-87-b.business.telecomitalia.it
87.23.69.215	A	host215-69-static.23-87-b.business.telecomitalia.it
87.23.72.143	A	mail.uni3servizi.com
87.23.72.215	A	host215-72-static.23-87-b.business.telecomitalia.it
87.23.75.80	A	host80-75-static.23-87-b.business.telecomitalia.it
87.23.77.61	A	host61-77-static.23-87-b.business.telecomitalia.it
87.23.79.131	A	host131-79-static.23-87-b.business.telecomitalia.it
87.23.80.108	A	host108-80-static.23-87-b.business.telecomitalia.it
87.23.84.10	A	server01.sovem.it
87.23.85.123	A	mail.lealivetri.com
87.23.85.123	A	mailserver.lealivetri.com
87.23.86.38	A	host38-86-static.23-87-b.business.telecomitalia.it
87.23.86.88	A	host88-86-static.23-87-b.business.telecomitalia.it
87.23.86.207	A	host207-86-static.23-87-b.business.telecomitalia.it
87.23.87.4	A+PTR	host4-87-static.23-87-b.business.telecomitalia.it
87.23.87.5	A	host5-87-static.23-87-b.business.telecomitalia.it
87.23.87.85	A	mail.moradpour.ir
87.23.87.85	A	*.batu.me
87.23.87.85	A	lz.selettronica.it
87.23.87.134	A	mail1.imap.it
87.23.88.78	A	host78-88-static.23-87-b.business.telecomitalia.it
87.23.88.125	A	master.juwi.mine.bz
87.23.88.125	A	host125-88-static.23-87-b.business.telecomitalia.it
87.23.89.2	A+PTR	host2-89-static.23-87-b.business.telecomitalia.it
87.23.89.3	A+PTR	host3-89-static.23-87-b.business.telecomitalia.it
87.23.89.5	A	host5-89-static.23-87-b.business.telecomitalia.it
87.23.89.16	A	host16-89-static.23-87-b.business.telecomitalia.it
87.23.89.40	A	host40-89-static.23-87-b.business.telecomitalia.it
87.23.89.43	A	host43-89-static.23-87-b.business.telecomitalia.it
87.23.89.45	A	host45-89-static.23-87-b.business.telecomitalia.it
87.23.89.51	A	host51-89-static.23-87-b.business.telecomitalia.it
87.23.89.64	A+PTR	host64-89-static.23-87-b.business.telecomitalia.it
87.23.89.74	A	host74-89-static.23-87-b.business.telecomitalia.it
87.23.89.81	A	host81-89-static.23-87-b.business.telecomitalia.it
87.23.89.86	A	host86-89-static.23-87-b.business.telecomitalia.it
87.23.89.101	A	host101-89-static.23-87-b.business.telecomitalia.it
87.23.89.111	A	host111-89-static.23-87-b.business.telecomitalia.it
87.23.89.112	A	host112-89-static.23-87-b.business.telecomitalia.it
87.23.89.114	A	host114-89-static.23-87-b.business.telecomitalia.it
87.23.89.128	A+PTR	host128-89-static.23-87-b.business.telecomitalia.it
87.23.89.131	A+PTR	host131-89-static.23-87-b.business.telecomitalia.it
87.23.89.135	A	host135-89-static.23-87-b.business.telecomitalia.it
87.23.89.144	A	host144-89-static.23-87-b.business.telecomitalia.it
87.23.89.160	A+PTR	host160-89-static.23-87-b.business.telecomitalia.it
87.23.89.163	A+PTR	host163-89-static.23-87-b.business.telecomitalia.it
87.23.89.165	A	host165-89-static.23-87-b.business.telecomitalia.it
87.23.89.169	A	host169-89-static.23-87-b.business.telecomitalia.it
87.23.89.192	A+PTR	host192-89-static.23-87-b.business.telecomitalia.it
87.23.89.196	A	host196-89-static.23-87-b.business.telecomitalia.it
87.23.89.197	A	host197-89-static.23-87-b.business.telecomitalia.it
87.23.89.202	A	host202-89-static.23-87-b.business.telecomitalia.it
87.23.89.227	A+PTR	host227-89-static.23-87-b.business.telecomitalia.it
87.23.89.229	A	host229-89-static.23-87-b.business.telecomitalia.it
87.23.89.235	A	host235-89-static.23-87-b.business.telecomitalia.it
87.23.89.236	A	host236-89-static.23-87-b.business.telecomitalia.it
87.23.92.88	A	servizi.mondufficio.it
87.23.93.146	A	host146-93-static.23-87-b.business.telecomitalia.it
87.23.93.146	A	mail.pamab.com
87.23.93.184	A	duemarihotel.eu
87.23.93.184	A	duemarihotel.org
87.23.93.184	A	grandhotelduemari.it
87.23.95.113	A	host113-95-static.23-87-b.business.telecomitalia.it