Robtex

Up: 216.104.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.104.48.0/21
Down right: 216.104.56.0/21

IP	Type	Hostname
216.104.48.0	PTR	216-104-48-0.dia.static.qwest.net
216.104.48.1	PTR	216-104-48-1.dia.static.qwest.net
216.104.48.2	PTR	216-104-48-2.dia.static.qwest.net
216.104.48.3	PTR	216-104-48-3.dia.static.qwest.net
216.104.48.16	PTR	216-104-48-16.dia.static.qwest.net
216.104.48.17	PTR	216-104-48-17.dia.static.qwest.net
216.104.48.18	PTR	216-104-48-18.dia.static.qwest.net
216.104.48.19	PTR	216-104-48-19.dia.static.qwest.net
216.104.48.51	A+PTR	vmcemail.valleymed.org
216.104.48.51	A	email.valleymed.org
216.104.48.55	A	access.valleymed.org
216.104.48.80	PTR	216-104-48-80.dia.static.qwest.net
216.104.48.82	A+PTR	access1.valleymed.org
216.104.48.83	PTR	216-104-48-83.dia.static.qwest.net
216.104.48.87	A	sophoseg1.valleymed.org
216.104.48.88	A	sophoseg2.valleymed.org
216.104.48.100	A	valleymed.net
216.104.48.100	A	valleymed.org
216.104.48.100	A	www.valleymed.org
216.104.48.110	A	connect.valleymed.org
216.104.48.120	A	careeverywhere.valleymed.org
216.104.48.122	A	vmcproviderlink.valleymed.org
216.104.48.140	A	mychart.valleymed.org
216.104.48.147	A	mychartsup.valleymed.org
216.104.48.162	PTR	216-104-48-162.dia.static.qwest.net
216.104.49.51	A+PTR	email.valleymed.org
216.104.56.51	A+PTR	vmcemail2.valleymed.org
216.104.56.51	A+PTR	email.valleymed.org