Robtex

Up: 173.239.220.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 173.239.222.0/24
Down right: 173.239.223.0/24

IP	Type	Hostname
173.239.222.2	A+PTR	ip-2-222-239-173.east.us.northamericancoax.com
173.239.222.5	A+PTR	ip-5-222-239-173.east.us.northamericancoax.com
173.239.222.9	A+PTR	ip-9-222-239-173.east.us.northamericancoax.com
173.239.222.132	A+PTR	ip-132-222-239-173.east.us.northamericancoax.com
173.239.222.133	A+PTR	ip-133-222-239-173.east.us.northamericancoax.com
173.239.222.136	A+PTR	ip-136-222-239-173.east.us.northamericancoax.com
173.239.223.3	A+PTR	ip-3-223-239-173.east.us.northamericancoax.com
173.239.223.5	A+PTR	ip-5-223-239-173.east.us.northamericancoax.com
173.239.223.133	A+PTR	ip-133-223-239-173.east.us.northamericancoax.com
173.239.223.134	A+PTR	ip-134-223-239-173.east.us.northamericancoax.com
173.239.223.135	A+PTR	ip-135-223-239-173.east.us.northamericancoax.com
173.239.223.135	A	mail.frodogizmo.com
173.239.223.135	A	frodogizmo.com
173.239.223.137	A+PTR	ip-137-223-239-173.east.us.northamericancoax.com
173.239.223.141	A+PTR	ip-141-223-239-173.east.us.northamericancoax.com
173.239.223.144	A+PTR	ip-144-223-239-173.east.us.northamericancoax.com