Robtex

Up: 203.4.188.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 203.4.188.0/24
Down right: 203.4.189.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.4.188.9	A+PTR	mail3.aap.com.au
203.4.188.25	A+PTR	newscentre.com.au
203.4.188.25	PTR	monitoring.medianet.com.au
203.4.188.25	PTR	www.newscentre.com.au
203.4.188.30	A+PTR	mail-edge-b.aap.com.au
203.4.188.31	A+PTR	mail-b.aap.com.au
203.4.188.32	A	mail-b.pagemasters.com.au
203.4.188.32	A	mail-b.pagemasters.co.nz
203.4.188.33	A	mail-b.mrg.com.au
203.4.188.34	A+PTR	mail-b.asianetnews.net
203.4.188.34	PTR	mail-b.aapimage.com.au
203.4.188.34	PTR	mail-b.aapmegaform.com.au
203.4.188.36	A	www.aapnewswire.com.au
203.4.188.39	A	ns3.aap.com.au
203.4.188.40	A	aapmessageconnect.com.au
203.4.188.42	PTR	aapmediatraining.com.au
203.4.188.46	A	messageconnect.com.au
203.4.188.48	A	aapnewswire.com.au
203.4.188.66	A	mediatargeting.com.au
203.4.188.66	A	mediatarget.com.au
203.4.188.66	A	releasecentre.com.au
203.4.188.74	A	aapwire.aap.com.au
203.4.188.75	A	asianetnews.asia
203.4.188.103	A	mail5.aap.com.au
203.4.188.103	A	mail4.aap.com.au
203.4.188.127	A+PTR	mnr.aap.com.au
203.4.189.9	A	mail2.aap.com.au
203.4.189.10	A+PTR	ipnewsservice.aap.com.au
203.4.189.17	A	monitorthemedia.com.au
203.4.189.17	A	newsreel.com.au
203.4.189.17	A	monitormedia.com.au
203.4.189.19	A	mail1.aap.com.au
203.4.189.20	A	ipnewsservice.aap.com.au
203.4.189.25	A+PTR	monitoring.medianet.com.au
203.4.189.25	A	newscentre.com.au
203.4.189.25	A	newscentre.co.nz
203.4.189.27	A	monitorthemedia.com.au
203.4.189.27	A	newsreel.com.au
203.4.189.27	A	monitormedia.com.au
203.4.189.30	A+PTR	mail-edge-a.aap.com.au
203.4.189.31	A+PTR	mail-a.aap.com.au
203.4.189.31	A+PTR	mail-dmz-relay.aap.com.au
203.4.189.32	A+PTR	mail-a.pagemasters.com.au
203.4.189.32	PTR	mail-a.newscentre.co.nz
203.4.189.32	PTR	mail-a.newswirenz.co.nz
203.4.189.33	A	mail-a.mrg.com.au
203.4.189.34	A+PTR	mail-a.asianetnews.net
203.4.189.34	PTR	mail-a.aapimage.com.au
203.4.189.34	PTR	mail-a.aapmegaform.com.au
203.4.189.39	A	ns1.aap.com.au
203.4.189.49	A	ns2.aap.com.au
203.4.189.60	A+PTR	mail1.aapmedianet.com.au
203.4.189.63	A	mail4.aapmedianet.com.au
203.4.189.66	A	releasecentre.com.au
203.4.189.66	A	audiograb.com.au
203.4.189.66	A	medianet.co.nz
203.4.189.99	A	testmail.aap.com.au
203.4.189.121	A+PTR	mn1.aap.com.au
203.4.189.144	A	pagemasters.co.uk
203.4.189.144	A	mrg.com.au
203.4.189.144	A	pagemasters.com