Robtex

Up: 89.31.192.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 89.31.200.0/22
Down right: 89.31.204.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
89.31.200.7	A	advx.esprimo.com
89.31.200.8	PTR	giornali01.esprimo.com
89.31.200.8	A	fondoitalia.it
89.31.200.8	A	tuttolevante.it
89.31.200.9	A	rosenet.it
89.31.200.10	PTR	giornali02.esprimo.com
89.31.200.12	PTR	hosting.esprimo.com
89.31.200.16	PTR	zmta2.esprimo.com
89.31.200.16	A	in.cnnet.it
89.31.201.60	PTR	www.camperonline.it
89.31.201.90	PTR	host90.netsurf.it
89.31.201.100	PTR	forum.camperonline.it
89.31.201.195	PTR	mailer5.netsurf.it
89.31.201.230	PTR	host230.netsurf.it
89.31.201.230	PTR	mailer3.netsurf.it
89.31.201.237	PTR	host237.netsurf.it
89.31.201.248	PTR	mailer.netsurf.it
89.31.201.250	PTR	mail1.netsurf.it
89.31.201.250	PTR	newmailer.netsurf.it
89.31.201.251	PTR	dns2.netsurf.it
89.31.204.86	A	www.isimply.it
89.31.204.226	A	alboinrete.it