Robtex

Up: 153.122.162.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 153.122.162.0/25
Down right: 153.122.162.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
153.122.162.52	A+PTR	bz.ptr232.ptrcloud.net
153.122.162.52	A	mail.trasco-dp1.com
153.122.162.73	A+PTR	cu.ptr232.ptrcloud.net
153.122.162.73	A	ml1.kasegeru.jp
153.122.162.147	PTR	at.ptr233.ptrcloud.net
153.122.162.147	A	redkaigoen.com
153.122.162.147	A	mail.work-space-kizuna.com
153.122.162.206	A+PTR	da.ptr233.ptrcloud.net
153.122.162.206	A	mail.server-workstation.com
153.122.162.206	A	server-workstation.com