Robtex

Up: 185.90.64.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 185.90.68.0/23
Down right: 185.90.70.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
185.90.68.96	A	server.studioorlandipv.it
185.90.68.143	PTR	studiomustarelli.it
185.90.68.143	A	mail.studiomustarelli.it
185.90.68.167	A+PTR	mail.albarubens.it
185.90.68.167	A	saronno.albarubens.it
185.90.69.30	A	mail.piubelgioioso.it
185.90.69.30	A	piubelgioioso.it
185.90.69.130	A	mx.coldgelati.com
185.90.69.243	A+PTR	mail2.ithesiasistemi.it
185.90.70.14	PTR	cgm2012.cgm-gigiemme.it
185.90.70.14	A	cgm2012.cgm-cigiemme.it
185.90.70.106	A	mx2.tsw-industries.com
185.90.71.10	A	vmail.fbml.it
185.90.71.43	A	aptmail.aptgroup.it
185.90.71.44	A+PTR	aptmx.aptgroup.it
185.90.71.66	PTR	mail.hrnet.it
185.90.71.66	A	mail.dynamissrl.com
185.90.71.66	A	mail.technocom.it
185.90.71.68	A	mail.sfinge.eu
185.90.71.74	A	server1.itmgroup.it
185.90.71.109	A	mx0.digyland.com
185.90.71.109	A	mx1.digylandsolutions.it
185.90.71.110	A	autodiscover.digylandsolutions.it
185.90.71.227	A	www.video-brochure.it
185.90.71.227	A	videocardplus.com
185.90.71.227	A	www.powerpromo.it
185.90.71.228	A	mail2.datamaticdss.it