Robtex

Up: 203.58.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.58.8.0/22
Down right: 203.58.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.58.8.2	PTR	mail.langports.com
203.58.8.26	A+PTR	203-58-8-26.static.tpgi.com.au
203.58.8.137	PTR	mail.ausnetworking.com.au
203.58.8.137	A	mail.freshandhealthy.com.au
203.58.8.137	A	ns0.ausnetworking.com.au
203.58.8.138	PTR	mailb.ausnetworking.com.au
203.58.8.138	A	applied-solutions.com.au
203.58.8.138	A	hjr.com.au
203.58.8.139	PTR	203-58-8-139.static.tpgi.com.au
203.58.8.158	A	mail.bluewateronthebeach.com
203.58.8.158	A	bluewateronthebeach.com
203.58.8.174	A	203-58-8-174.static.tpgi.com.au
203.58.9.170	A	203-58-9-170.static.tpgi.com.au
203.58.9.178	PTR	203-58-9-178.static.tpgi.com.au
203.58.9.178	A	isonline.ws
203.58.9.178	A	www.isonline.ws
203.58.9.184	PTR	203-58-9-184.static.tpgi.com.au
203.58.9.184	A	metisc.com
203.58.9.186	PTR	203-58-9-186.static.tpgi.com.au
203.58.9.186	A	metisc.com.au
203.58.10.24	PTR	dialup23.actonline.com.au
203.58.10.35	PTR	elec.ieaust.org.au
203.58.10.250	PTR	mail.lhmu.org.au
203.58.11.29	A+PTR	bri-gym-gw.tpgi.com.au
203.58.11.43	A	ath-bri-gw.tpgi.com.au
203.58.11.105	PTR	sou-bri-gw.tpgi.com.au
203.58.12.116	A	mxr.anzo.net.au
203.58.12.117	A	mail.scientology.org.au
203.58.12.117	A	ideal.org.nz
203.58.12.117	A	m1.anzo.net.au
203.58.13.19	PTR	203-58-13-19.static.tpgi.com.au
203.58.13.36	A	web.scientology.net.au
203.58.13.37	A	203-58-13-37.static.tpgi.com.au
203.58.13.49	PTR	203-58-13-49.static.tpgi.com.au
203.58.13.61	A	mail.pathwaytowealthonline.com.au
203.58.13.82	A+PTR	203-58-13-82.static.tpgi.com.au
203.58.13.113	PTR	203-58-13-113.static.tpgi.com.au
203.58.13.113	A	mail.thefamilylawpractice.com.au
203.58.13.115	A	mail.nvlawyers.com.au
203.58.13.117	A	mail.nvgroup.com.au
203.58.13.124	A	203-58-13-124.static.tpgi.com.au
203.58.13.130	PTR	mail.projectwindow.com.au
203.58.13.130	PTR	mail.qmisolutions.com.au
203.58.13.130	PTR	mail.icnqld.org.au
203.58.13.138	A	mail.penshurstrsl.com.au
203.58.13.142	A	webmail.avondalegolfclub.com.au
203.58.13.162	A	mail.mnsa.com.au
203.58.13.172	A	blufi.net.au
203.58.13.181	A	203-58-13-181.static.tpgi.com.au
203.58.13.194	PTR	203-58-13-194.static.tpgi.com.au
203.58.13.201	PTR	edmi.com.au
203.58.13.209	PTR	203-58-13-209.static.tpgi.com.au
203.58.13.209	A	mail.canadabaycentre.com.au
203.58.14.26	PTR	203-58-14-26.static.tpgi.com.au
203.58.14.70	A	mail.synercon-na.com
203.58.14.70	A	mail.synercon-uk.com
203.58.14.70	A	mail.synercon.com.au
203.58.14.81	PTR	203-58-14-81.static.tpgi.com.au
203.58.14.81	A	www.synerconblog.co
203.58.14.106	PTR	203-58-14-106.static.tpgi.com.au
203.58.14.106	A	islamicrealm.com
203.58.14.142	A	203-58-14-142.static.tpgi.com.au
203.58.14.154	A	mail.nrsglobal.com
203.58.14.178	A+PTR	203-58-14-178.static.tpgi.com.au
203.58.14.194	PTR	203-58-14-194.static.tpgi.com.au
203.58.15.26	A+PTR	203-58-15-26.static.tpgi.com.au
203.58.15.37	A	203-58-15-37.static.tpgi.com.au
203.58.15.104	A	203-58-15-104.static.tpgi.com.au
203.58.15.136	A+PTR	203-58-15-136.static.tpgi.com.au
203.58.15.150	A	gogef.com
203.58.15.151	A	opusrecruitment.com.au
203.58.15.151	A	michaelmcphee.com.au
203.58.15.157	A	npcia.safenetbox.biz
203.58.15.183	A	mailprimary.financialresolutions.com.au
203.58.15.183	A	mail.financialresolutions.com.au
203.58.15.183	A	mailprimary.jatkinson.com.au