Robtex

Up: 203.147.148.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 203.147.150.0/24
Down right: 203.147.151.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.147.150.1	A+PTR	soaadmin.uat.melbourneit.com.au
203.147.150.14	PTR	www.travelctm.com
203.147.150.60	PTR	www.michaelhill.com.au
203.147.150.60	A	michaelhilljeweller.ca
203.147.150.60	A	michaelhilljeweller.co.nz
203.147.150.68	PTR	www.packsend.com.au
203.147.150.84	PTR	www.topgear.com.au
203.147.151.76	A	drrenewal.webcentral.com.au
203.147.151.126	A	mail.nrmabusinesswise.com
203.147.151.126	A	mail.nrmabusinesswise.com.au
203.147.151.129	PTR	www.webcentral.com.au
203.147.151.129	A	webcentraladsl.co.nz
203.147.151.129	A	webcentraladsl.net.au
203.147.151.135	A+PTR	dnsproxy.server-web.com
203.147.151.135	A	dnsproxy1.server-web.com
203.147.151.140	PTR	nospamsite140.bne.server-web.com
203.147.151.140	A	spamtrap.net.au
203.147.151.140	A	*.spamtrap.net.au
203.147.151.150	A+PTR	pop3-bp.server-mail.com
203.147.151.151	PTR	smtp-pitt.pm.telstra.com
203.147.151.151	A	mail.kentcon.com.au
203.147.151.151	A	petergiblin.com.au
203.147.151.164	A	gc4nrl.webcentral.com
203.147.151.172	PTR	job4491174-vip.webcentral.com.au
203.147.151.176	A	server-spamtrap.com
203.147.151.178	PTR	webmail-au.server-secure.com
203.147.151.178	A	smtp-us.server-access.com
203.147.151.178	A	mail.smtp-us.server-access.com
203.147.151.183	PTR	pop3.bne.server-mail.com
203.147.151.183	A	smtp3.bne.server-mail.com
203.147.151.184	PTR	pop4.bne.server-mail.com
203.147.151.184	A	smtp4.bne.server-mail.com
203.147.151.186	A+PTR	smtp.bne.server-mail.com
203.147.151.186	A	smtp.graf-x.com.au
203.147.151.186	A	smtp.blackolivegourmet.com.au
203.147.151.187	PTR	ve3.csw.bne.server-web.com