Robtex

Up: 223.130.20.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 223.130.20.0/25
Down right: 223.130.20.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
223.130.20.22	A	securemail1.computergate.com.au
223.130.20.22	A	securemail2.computergate.com.au
223.130.20.22	A	gateway.packsend.com
223.130.20.28	A	cloud360.com.au
223.130.20.28	A	mail.ntlaviationservices.com
223.130.20.61	A	www.nushape.com.au
223.130.20.66	PTR	mail.starwash.com.au
223.130.20.66	A	vps.prioritycomputer.com.au