Robtex

Up: 185.120.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.120.80.0/23
Down right: 185.120.82.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.120.80.2	PTR	viavai.arc.it
185.120.80.2	PTR	dns2.arc.it
185.120.80.2	PTR	dg.arc.it
185.120.80.3	PTR	mail.carabiashowroom.com
185.120.80.3	PTR	posta.arc.it
185.120.80.3	PTR	publiself.arc.it
185.120.80.4	PTR	mail.paolocavallone.com
185.120.80.4	A+PTR	dns4.arc.it
185.120.80.4	PTR	imap.dominacomplementi.it
185.120.80.7	PTR	w3.agrimarketweb.it
185.120.80.7	PTR	w3.apediesel.it
185.120.80.7	PTR	dns3.arc.it
185.120.80.12	A	gierresrl.net
185.120.80.12	A	www.sergiodesantis.com
185.120.80.13	A	sotecnica.it
185.120.80.13	A	www.bottegadabruzzo.it
185.120.80.75	A	www.itstechnology.it