Robtex

Up: 218.185.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 218.185.60.0/23
Down right: 218.185.62.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
218.185.60.35	PTR	ns2.mgd.com.au
218.185.60.36	PTR	mail.sga.edu.au
218.185.60.44	PTR	mail.studygroup.edu.au
218.185.60.52	A	webmail.ap.itg.com
218.185.60.74	PTR	mail.gca.edu.au
218.185.60.74	A	mail.ubssresearchfoundation.com.au
218.185.60.74	A	mail.whentherearetoomanylawyers.com.au
218.185.60.77	A	sem-system.com.au
218.185.63.10	PTR	3805.gi0-1.cla55-cs1-br1.mil100
218.185.63.45	PTR	3811.gi0.ar1.cla55-br1.mil100
218.185.63.97	PTR	3832.gi0.ar1.mil100-cla55-cs1
218.185.63.180	A	companydirector.com.au
218.185.63.180	A	companydirector.net.au
218.185.63.180	A	aicd.com.au