Robtex

Up: 123.243.240.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 123.243.240.0/23
Down right: 123.243.242.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
123.243.240.1	A+PTR	123-243-240-1.tpgi.com.au
123.243.240.2	A	123-243-240-2.tpgi.com.au
123.243.240.3	A+PTR	123-243-240-3.tpgi.com.au
123.243.240.4	A	123-243-240-4.tpgi.com.au
123.243.240.5	A	123-243-240-5.tpgi.com.au
123.243.240.6	A	123-243-240-6.tpgi.com.au
123.243.240.7	A	123-243-240-7.tpgi.com.au
123.243.240.8	A	123-243-240-8.tpgi.com.au
123.243.240.9	A	123-243-240-9.tpgi.com.au
123.243.240.26	A+PTR	123-243-240-26.tpgi.com.au
123.243.240.59	A	mail.stumpit.com.au
123.243.240.59	A	stumpit.com.au
123.243.240.59	A	sydneybathroomsupplies.net.au
123.243.240.61	A	renovationtalk.com.au
123.243.240.62	A	mail.thetenderwriter.com.au
123.243.240.62	A	thetenderwriter.com.au
123.243.240.100	PTR	123-243-240-100.tpgi.com.au
123.243.240.100	A	mail.amsredfern.org.au
123.243.240.134	A	remote.damshel.net
123.243.240.138	A	mail.eternal.id.au
123.243.240.142	PTR	123-243-240-142.tpgi.com.au
123.243.240.164	A+PTR	123-243-240-164.tpgi.com.au
123.243.240.164	A	mx1.alx.jcdecaux.com.au
123.243.240.170	A	concordaust.com
123.243.240.171	A	icpfirefly.com.au
123.243.240.196	A	exchange.osmicro.net.au
123.243.241.4	PTR	vole.qma.com.au
123.243.241.5	PTR	frog.qma.com.au
123.243.241.39	A+PTR	ns2.gacomtec.com.au
123.243.241.39	A	cuffsafe.com
123.243.241.39	A	sydneypoolsandspas.com.au
123.243.241.40	PTR	123-243-241-40.static.tpgi.com.au
123.243.241.40	A	mail1.gacomtec.com.au
123.243.241.40	A	mail1.cuffsafe.com
123.243.241.41	PTR	smtp.gacomtec.com.au
123.243.241.41	A	smtp3.gacomtec.com.au
123.243.241.41	A	mail.cuffsafe.com
123.243.241.51	A+PTR	123-243-241-51.static.tpgi.com.au
123.243.241.130	PTR	123-243-241-130.static.tpgi.com.au
123.243.241.150	PTR	123-243-241-150.static.tpgi.com.au
123.243.241.150	A	couriersandfreight.com.au
123.243.241.153	A	exchangemx2.itis.com.au
123.243.241.182	A	mail2.thelakesgolfclub.com.au
123.243.241.188	A+PTR	www.eyo.com.au
123.243.241.188	A	ns2.kingdompetroleum.net
123.243.241.188	A	nic.eyotechnologies.com
123.243.241.202	PTR	123-243-241-202.static.tpgi.com.au
123.243.241.202	A	mail.vqs.com.au
123.243.242.1	A+PTR	123-243-242-1.tpgi.com.au
123.243.242.2	A	123-243-242-2.tpgi.com.au
123.243.242.3	A	123-243-242-3.tpgi.com.au
123.243.242.4	A	123-243-242-4.tpgi.com.au
123.243.242.5	A	123-243-242-5.tpgi.com.au
123.243.242.6	A	123-243-242-6.tpgi.com.au
123.243.242.7	A	123-243-242-7.tpgi.com.au
123.243.242.8	A	123-243-242-8.tpgi.com.au
123.243.242.9	A	123-243-242-9.tpgi.com.au
123.243.242.22	A+PTR	123-243-242-22.tpgi.com.au
123.243.242.26	A+PTR	123-243-242-26.tpgi.com.au
123.243.242.34	A+PTR	123-243-242-34.tpgi.com.au
123.243.242.41	A+PTR	123-243-242-41.tpgi.com.au
123.243.242.54	A+PTR	123-243-242-54.tpgi.com.au
123.243.242.55	A+PTR	123-243-242-55.tpgi.com.au
123.243.242.74	A	123-243-242-74.tpgi.com.au
123.243.242.85	A+PTR	123-243-242-85.tpgi.com.au
123.243.242.96	A+PTR	123-243-242-96.tpgi.com.au
123.243.242.98	PTR	123-243-242-98.tpgi.com.au
123.243.242.102	A+PTR	123-243-242-102.tpgi.com.au
123.243.242.113	A+PTR	123-243-242-113.tpgi.com.au
123.243.242.118	A+PTR	123-243-242-118.tpgi.com.au
123.243.242.129	A+PTR	123-243-242-129.tpgi.com.au
123.243.242.160	A	123-243-242-160.tpgi.com.au
123.243.242.163	A+PTR	123-243-242-163.tpgi.com.au
123.243.242.164	A	slardar.net
123.243.242.170	A+PTR	123-243-242-170.tpgi.com.au
123.243.242.191	A+PTR	123-243-242-191.tpgi.com.au
123.243.242.202	A	123-243-242-202.tpgi.com.au
123.243.242.209	A+PTR	123-243-242-209.tpgi.com.au
123.243.242.229	A+PTR	123-243-242-229.tpgi.com.au
123.243.242.233	A+PTR	123-243-242-233.tpgi.com.au
123.243.242.238	A+PTR	123-243-242-238.tpgi.com.au
123.243.242.240	PTR	blue.hermes.net.au
123.243.242.240	A	jac-ans.net
123.243.242.240	A	davidscheel.com
123.243.243.1	A+PTR	123-243-243-1.tpgi.com.au
123.243.243.2	A	123-243-243-2.tpgi.com.au
123.243.243.3	A	123-243-243-3.tpgi.com.au
123.243.243.4	A	123-243-243-4.tpgi.com.au
123.243.243.5	A+PTR	123-243-243-5.tpgi.com.au
123.243.243.6	A	123-243-243-6.tpgi.com.au
123.243.243.7	A	123-243-243-7.tpgi.com.au
123.243.243.8	A	123-243-243-8.tpgi.com.au
123.243.243.9	A	123-243-243-9.tpgi.com.au
123.243.243.24	A+PTR	123-243-243-24.tpgi.com.au
123.243.243.24	A	codafile.com.au
123.243.243.90	A	123-243-243-90.tpgi.com.au
123.243.243.128	A	123-243-243-128.tpgi.com.au
123.243.243.216	A+PTR	123-243-243-216.tpgi.com.au