Robtex

Up: 220.245.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 220.245.72.0/23
Down right: 220.245.74.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
220.245.72.13	PTR	220-245-72-13.tpgi.com.au
220.245.72.13	A	mail.horsewareinternational.com.au
220.245.72.23	A	7gpp2761.ciaexperts.com
220.245.72.23	A	ciaexperts.com
220.245.72.23	A	7gpp2761.hubot.com.au
220.245.72.50	A	*.chipz.me
220.245.72.112	A	220-245-72-112.static.tpgi.com.au
220.245.72.133	A+PTR	220-245-72-133.tpgi.com.au
220.245.72.146	A+PTR	220-245-72-146.static.tpgi.com.au
220.245.72.146	A	220-245-72-146.tpgi.com.au
220.245.72.221	A+PTR	220-245-72-221.static.tpgi.com.au
220.245.73.49	A	cyanpixie.com
220.245.73.59	A+PTR	220-245-73-59.tpgi.com.au
220.245.73.71	A+PTR	220-245-73-71.tpgi.com.au
220.245.73.72	A+PTR	220-245-73-72.tpgi.com.au
220.245.73.93	A+PTR	220-245-73-93.tpgi.com.au
220.245.73.97	A+PTR	220-245-73-97.tpgi.com.au
220.245.73.100	PTR	220-245-73-100.tpgi.com.au
220.245.73.100	A	mail.mibp.org.au
220.245.73.140	A+PTR	220-245-73-140.tpgi.com.au
220.245.73.155	A+PTR	220-245-73-155.static.tpgi.com.au
220.245.73.155	A	drmail.nicholsons.com.au
220.245.73.169	A+PTR	220-245-73-169.tpgi.com.au
220.245.74.9	A+PTR	220-245-74-9.tpgi.com.au
220.245.74.25	A+PTR	220-245-74-25.tpgi.com.au
220.245.74.29	A+PTR	220-245-74-29.tpgi.com.au
220.245.74.75	A	bedo-au.com
220.245.74.175	PTR	220-245-74-175.tpgi.com.au
220.245.74.175	A	home.blakepeden.com
220.245.74.213	A+PTR	220-245-74-213.tpgi.com.au
220.245.75.128	A+PTR	220-245-75-128.static.tpgi.com.au
220.245.75.128	A	rcccc.net
220.245.75.233	A	arrow-svr02.arrowsmithcomputers.com