Robtex

Up: 203.3.68.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.3.69.0/25
Down right: 203.3.69.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.3.69.0	PTR	pha-au.pha.com.au
203.3.69.1	PTR	router.pha.com.au
203.3.69.2	PTR	polaris.pha.com.au
203.3.69.3	PTR	vortex.pha.com.au
203.3.69.5	PTR	wormhole.pha.com.au
203.3.69.8	PTR	sales.pha.com.au
203.3.69.10	PTR	atlas.pha.com.au
203.3.69.11	PTR	nik.pha.com.au
203.3.69.12	PTR	alnilam.magusco.com
203.3.69.13	PTR	diphda.pha.com.au
203.3.69.14	PTR	algol.pha.com.au
203.3.69.25	A+PTR	mail.pha.com.au
203.3.69.26	PTR	dialuphost.pha.com.au
203.3.69.27	PTR	modem1.pha.com.au
203.3.69.30	A+PTR	svn.pha.com.au
203.3.69.33	PTR	phakt.pha.com.au
203.3.69.34	PTR	altair.pha.com.au
203.3.69.36	PTR	canopus.pha.com.au
203.3.69.37	PTR	cvs.pha.com.au
203.3.69.38	PTR	sms.pha.com.au
203.3.69.39	A+PTR	bugzilla.pha.com.au
203.3.69.40	A	naarchitects.com.au
203.3.69.41	PTR	tqau.pha.com.au
203.3.69.43	PTR	x43.pha.com.au
203.3.69.44	PTR	dragon.pha.com.au
203.3.69.47	PTR	dev.pha.com.au
203.3.69.48	A	firecone.com.au
203.3.69.50	PTR	mysql4.pha.com.au
203.3.69.51	PTR	mysql5.pha.com.au
203.3.69.55	PTR	maia.pha.com.au
203.3.69.60	PTR	altair.performiq.com.au
203.3.69.62	PTR	db.pha.com.au
203.3.69.75	PTR	algol.pha.com.au
203.3.69.80	A+PTR	pleiades.performiq.com.au
203.3.69.87	A	www.pha.com.au
203.3.69.88	PTR	x88.performiq.com
203.3.69.88	A	www.pha.com.au
203.3.69.88	A	performiq.com
203.3.69.89	PTR	devel.performiq.com.au
203.3.69.90	PTR	spica.pha.com.au
203.3.69.90	A	www.performiq.com.au
203.3.69.90	A	performiq.com.au
203.3.69.91	PTR	ft.performiq.com.au
203.3.69.91	A	admin.performiq.com.au
203.3.69.92	PTR	verizon.performiq.com.au
203.3.69.93	PTR	x93.performiq.com.au
203.3.69.93	A	ft.performiq.com.au
203.3.69.94	PTR	x94.performiq.com.au
203.3.69.95	PTR	x95.performiq.com.au
203.3.69.96	PTR	x96.performiq.com.au
203.3.69.96	A	magusco.com
203.3.69.97	PTR	x97.performiq.com.au
203.3.69.98	PTR	crm.performiq.com.au
203.3.69.99	PTR	svn.performiq.com.au
203.3.69.100	PTR	vhosts.magusco.com
203.3.69.100	A	magusco.net
203.3.69.100	A	spencerwalker.net
203.3.69.101	A+PTR	www.harding.net.au
203.3.69.101	A	harding.net.au
203.3.69.102	PTR	www.danaharding.net
203.3.69.103	PTR	www.lewisharding.net
203.3.69.104	PTR	www.holgate.net.au
203.3.69.105	PTR	www.silverbacks.org.au
203.3.69.105	A	silverbacks.net.au
203.3.69.106	PTR	eja.ausif.org.au
203.3.69.107	A+PTR	events.ausif.org.au
203.3.69.111	A+PTR	admin.ausif.org.au
203.3.69.132	A	plcatalyst.net
203.3.69.132	A	plcatalyst.com
203.3.69.134	A+PTR	www.radmilaharding.com
203.3.69.134	A	www.radmilaharding.info
203.3.69.134	A	radmilaharding.net
203.3.69.139	A+PTR	motivationalmodelling.com
203.3.69.139	A	www.motivationalmodelling.com
203.3.69.146	PTR	n146.performiq.com
203.3.69.146	A	agenterium.com
203.3.69.199	PTR	rana.pha.com.au
203.3.69.200	PTR	vega.pha.com.au
203.3.69.201	A+PTR	sol.pha.com.au
203.3.69.225	A+PTR	luna.pha.com.au
203.3.69.251	PTR	fire0.pha.com.au
203.3.69.254	A+PTR	ns.pha.com.au