Robtex

Up: 72.203.224.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 72.203.224.0/23
Down right: 72.203.226.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
72.203.224.34	A	exchange2.wateranywhere.com
72.203.224.34	A	exchange2.appliedmembranes.com
72.203.224.70	PTR	wsip-72-203-224-70.sd.sd.cox.net
72.203.224.75	A+PTR	wsip-72-203-224-75.sd.sd.cox.net
72.203.224.75	A	gpwcpas.net
72.203.224.138	PTR	wsip-72-203-224-138.sd.sd.cox.net
72.203.224.138	A	www.thechipmerchant.com
72.203.224.138	A	chipmerchant.com
72.203.224.140	A	mail.thechipmerchant.com
72.203.224.141	A+PTR	wsip-72-203-224-141.sd.sd.cox.net
72.203.224.141	A	thechipmerchant.net
72.203.224.141	A	gw.thechipmerchant.com
72.203.224.242	A	filidoroinc.com
72.203.225.67	A+PTR	wsip-72-203-225-67.sd.sd.cox.net
72.203.225.67	A	server1.merkelinc.com
72.203.225.70	PTR	wsip-72-203-225-70.sd.sd.cox.net
72.203.225.70	A	mail.merkelinc.com
72.203.225.70	A	ns2.merkelinc.com
72.203.225.72	A+PTR	wsip-72-203-225-72.sd.sd.cox.net
72.203.225.72	A	ns3.merkelinc.com
72.203.225.73	A+PTR	wsip-72-203-225-73.sd.sd.cox.net
72.203.225.73	A	merkelinc.com
72.203.225.124	A+PTR	wsip-72-203-225-124.sd.sd.cox.net
72.203.225.131	A+PTR	mail2.ide-americas.com
72.203.225.149	A+PTR	wsip-72-203-225-149.sd.sd.cox.net
72.203.225.150	A+PTR	wsip-72-203-225-150.sd.sd.cox.net
72.203.225.170	A	swgrp.com
72.203.225.170	A	exchange.stecklerandwynns.com
72.203.225.170	A	mail.swgrp.com
72.203.226.10	A	mail.lowestmortgage.com
72.203.226.165	A+PTR	mail.mccain-inc.com
72.203.227.19	A	mail.zarcarotrust.com
72.203.227.19	A	zarcarotrust.com
72.203.227.115	A	mail.coreorthopaedic.com
72.203.227.226	A	hrcserver.howardsrug.com
72.203.227.234	A	ppcexpert.com
72.203.227.234	A	rhuleconstruction.com
72.203.227.238	A	ftp.ppcexpert.com