Robtex

Up: 123.243.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 123.243.24.0/22
Down right: 123.243.28.0/22

IP	Type	Hostname
123.243.24.5	A	123-243-24-5.static.tpgi.com.au
123.243.24.35	PTR	123-243-24-35.static.tpgi.com.au
123.243.24.97	A	123-243-24-97.static.tpgi.com.au
123.243.24.100	A	123-243-24-100.static.tpgi.com.au
123.243.24.116	A	mail.etunsw.asn.au
123.243.24.201	PTR	123-243-24-201.static.tpgi.com.au
123.243.24.251	A	123-243-24-251.static.tpgi.com.au
123.243.25.73	A+PTR	123-243-25-73.static.tpgi.com.au
123.243.25.139	A	chronal.space
123.243.26.2	A	www.surfingbooks.com.au
123.243.26.68	A	mail.macquariebell.com
123.243.26.188	A	123-243-26-188.static.tpgi.com.au
123.243.26.209	A+PTR	123-243-26-209.static.tpgi.com.au
123.243.26.214	A	mail.fleets.com.au
123.243.27.213	A	123-243-27-213.static.tpgi.com.au
123.243.27.213	A	mail2.camets.com.au
123.243.27.232	PTR	123-243-27-232.static.tpgi.com.au
123.243.27.232	A	zgharta.dahtone.com
123.243.28.13	A	thepresentlist.net
123.243.28.49	A+PTR	123-243-28-49.static.tpgi.com.au
123.243.28.114	A+PTR	123-243-28-114.static.tpgi.com.au
123.243.28.114	A	connect.innotta.net.au
123.243.28.176	PTR	123-243-28-176.static.tpgi.com.au
123.243.29.2	A	hawkleon.com
123.243.29.223	A	lawson.id.au
123.243.30.4	A	123-243-30-4.static.tpgi.com.au
123.243.30.33	A+PTR	123-243-30-33.static.tpgi.com.au
123.243.30.35	A	123-243-30-35.tpgi.com.au
123.243.30.48	A+PTR	123-243-30-48.static.tpgi.com.au
123.243.30.49	A	123-243-30-49.tpgi.com.au
123.243.30.55	A	123-243-30-55.static.tpgi.com.au
123.243.30.87	A	mail.mcphersonseng.com.au
123.243.30.87	A	mail.mcpeng.com.au
123.243.30.94	A	123-243-30-94.tpgi.com.au
123.243.30.97	A+PTR	123-243-30-97.static.tpgi.com.au
123.243.30.104	A+PTR	123-243-30-104.static.tpgi.com.au
123.243.30.117	A	123-243-30-117.tpgi.com.au
123.243.30.152	A+PTR	123-243-30-152.static.tpgi.com.au
123.243.30.155	A	123-243-30-155.tpgi.com.au
123.243.30.174	A	123-243-30-174.static.tpgi.com.au
123.243.30.205	A	123-243-30-205.static.tpgi.com.au
123.243.30.211	A+PTR	123-243-30-211.static.tpgi.com.au
123.243.30.224	A+PTR	123-243-30-224.static.tpgi.com.au
123.243.30.227	A+PTR	123-243-30-227.static.tpgi.com.au
123.243.30.237	A	123-243-30-237.static.tpgi.com.au
123.243.30.245	A	123-243-30-245.static.tpgi.com.au
123.243.30.252	A	123-243-30-252.static.tpgi.com.au
123.243.31.16	A+PTR	123-243-31-16.static.tpgi.com.au
123.243.31.52	A	hac3.hongaustralia.com.au
123.243.31.52	A	hongaustralia.com
123.243.31.52	A	hac3.hongaustralia.com
123.243.31.62	A	mail.biltonenergy.com.au
123.243.31.109	A	123-243-31-109.tpgi.com.au
123.243.31.118	A	mail.lzprecision.com.au
123.243.31.138	A	123-243-31-138.static.tpgi.com.au
123.243.31.138	A	birrong.com
123.243.31.157	A	123-243-31-157.tpgi.com.au
123.243.31.240	A	remote.sensationalcleaning.com.au