Robtex

Up: 193.138.160.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 193.138.161.0/25
Down right: 193.138.161.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
193.138.161.1	PTR	host1-161-static.138-193-b.business.telecomitalia.it
193.138.161.13	PTR	host13-161-static.138-193-b.business.telecomitalia.it
193.138.161.13	A	napolibari.it
193.138.161.13	A	www.napolibari.it
193.138.161.14	A	www.fssistemiurbani.it
193.138.161.15	A	palermocataniamessina.it
193.138.161.15	A	www.palermocataniamessina.it
193.138.161.16	A	gw71.mplat.trenitalia.it
193.138.161.20	A+PTR	host20-161-static.138-193-b.business.telecomitalia.it
193.138.161.21	PTR	host21-161-static.138-193-b.business.telecomitalia.it
193.138.161.26	A	www.acquisti.trenitalia.it
193.138.161.37	PTR	host37-161-static.138-193-b.business.telecomitalia.it
193.138.161.52	A	host52-161-static.138-193-b.business.telecomitalia.it
193.138.161.54	A	ftp.rfi.it
193.138.161.58	A	host58-161-static.138-193-b.business.telecomitalia.it
193.138.161.59	PTR	host59-161-static.138-193-b.business.telecomitalia.it
193.138.161.74	A	host74-161-static.138-193-b.business.telecomitalia.it
193.138.161.78	A	archiviofondazionefs.it
193.138.161.78	A	www.archiviofondazionefs.it
193.138.161.98	PTR	host98-161-static.138-193-b.business.telecomitalia.it
193.138.161.98	A	vdesk.fsitaliane.it
193.138.161.120	A	host120-161-static.138-193-b.business.telecomitalia.it
193.138.161.129	A	host129-161-static.138-193-b.business.telecomitalia.it
193.138.161.135	A+PTR	host135-161-static.138-193-b.business.telecomitalia.it
193.138.161.135	A	mail1.viaggiatreno.com
193.138.161.135	A	mail1.viaggiatreno.it
193.138.161.203	A+PTR	host203-161-static.138-193-b.business.telecomitalia.it
193.138.161.248	A+PTR	host248-161-static.138-193-b.business.telecomitalia.it