Robtex

Up: 203.22.66.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.22.67.0/25
Down right: 203.22.67.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.22.67.1	A+PTR	intelsec.com.au
203.22.67.1	A	mx1.vaperwave.com.au
203.22.67.1	A	ns1.cyberfox.com.au
203.22.67.2	A+PTR	ns2.intelsec.com.au
203.22.67.2	A	cyberfox.com.au
203.22.67.2	A	mx2.vapourwave.com.au