Robtex

Up: 216.52.196.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.52.197.0/25
Down right: 216.52.197.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.52.197.1	A+PTR	mail.altuscionetworks.com
216.52.197.7	A	mail.cannoncompany.com
216.52.197.14	A+PTR	mail.calysto.com
216.52.197.25	A	altucare.altucloud.com
216.52.197.26	A	connect.altuscio.com
216.52.197.43	A	industrialrepair.net
216.52.197.46	A+PTR	exchange.atozatwork.com
216.52.197.46	A	mailpop.atozatwork.com
216.52.197.47	A	web.atozatwork.com
216.52.197.51	A	mail.atozatwork.net
216.52.197.52	A	mail.atozatwork.com
216.52.197.52	A	mail.joylynn.com
216.52.197.60	PTR	border1.ge3-10.altuscio-1.acs003.pnap.net
216.52.197.65	PTR	border1.fe4-42.bomcor-3.acs003.pnap.net
216.52.197.115	A	measurecrm.com
216.52.197.117	A+PTR	m1.timestar-tech.com
216.52.197.141	A	aicagents.com
216.52.197.141	A	go-access.net
216.52.197.141	A	aicautoins.com
216.52.197.160	A	workataccess.com
216.52.197.160	A	www.workataccess.com