Robtex

Up: 72.204.208.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 72.204.216.0/22
Down right: 72.204.220.0/22

IP	Type	Hostname
72.204.217.201	A+PTR	wsip-72-204-217-201.pn.at.cox.net
72.204.219.11	A+PTR	wsip-72-204-219-11.br.br.cox.net
72.204.219.11	A	member.lasersonline.org
72.204.219.11	A	mylasers.org
72.204.219.98	A+PTR	wsip-72-204-219-98.br.br.cox.net
72.204.219.98	A	webmail.qiti.org
72.204.219.163	A+PTR	wsip-72-204-219-163.br.br.cox.net
72.204.219.163	A	hourglass360.com
72.204.219.166	PTR	mail.crltg.com
72.204.219.166	A	lasseigne.me
72.204.219.166	A	*.crltg.com