Robtex

Up: 165.212.182.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 165.212.182.0/25
Down right: 165.212.182.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
165.212.182.18	PTR	gateout01.ct.mbox.net
165.212.182.18	A	goe1.ct.mbox.net
165.212.182.19	PTR	gateout02.ct.mbox.net
165.212.182.19	A	goe2.ct.mbox.net
165.212.182.32	PTR	gateout03.ct.mbox.net
165.212.182.32	A	goe3.ct.mbox.net
165.212.182.33	PTR	gateout04.ct.mbox.net
165.212.182.33	A	goe4.ct.mbox.net
165.212.182.105	A+PTR	gwsmtp.ct.mbox.net
165.212.182.117	PTR	net-165-212-182-117.net.perimeterusa.com
165.212.182.117	A	clicktime.cloud.postoffice.net
165.212.182.249	A+PTR	intertekmx.ct.mbox.net
165.212.182.249	A	mail2.edn.com.au
165.212.182.249	A	smtp2.pro-inspect.com
165.212.182.250	PTR	mx.ct.mbox.net
165.212.182.250	A	mail.munder.com
165.212.182.250	A	mail.skilcraft.com