Robtex

Up: 72.151.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 72.151.56.0/22
Down right: 72.151.60.0/22

IP	Type	Hostname
72.151.57.3	A+PTR	adsl-072-151-057-003.sip.owb.bellsouth.net
72.151.57.63	A	adsl-072-151-057-063.sip.owb.bellsouth.net
72.151.57.70	A	marcusbosley.com
72.151.57.70	A	dns1.marcusbosley.com
72.151.57.147	A+PTR	adsl-072-151-057-147.sip.owb.bellsouth.net
72.151.57.218	A+PTR	adsl-072-151-057-218.sip.owb.bellsouth.net
72.151.58.148	A	mx-72-151-58-148.franklinky.org
72.151.58.218	A+PTR	adsl-072-151-058-218.sip.owb.bellsouth.net
72.151.59.90	A+PTR	adsl-072-151-059-090.sip.owb.bellsouth.net
72.151.59.120	A+PTR	adsl-072-151-059-120.sip.owb.bellsouth.net
72.151.59.158	A	adsl-072-151-059-158.sip.owb.bellsouth.net
72.151.59.182	A	adsl-072-151-059-182.sip.owb.bellsouth.net
72.151.60.206	A	diversifiedmanagementinc.com
72.151.63.43	PTR	mail.jron.com