Robtex

Up: 216.164.160.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.164.176.0/21
Down right: 216.164.184.0/21

IP	Type	Hostname
216.164.176.1	A	bdl1.80w-ubr1.nyr-80w.ny.cable.rcn.net
216.164.176.33	A+PTR	216-164-176-33.s9247.c3-0.eas-cbr4.atw-eas.pa.cable.rcncustomer.com
216.164.177.213	A	pdcnetworks.com
216.164.177.213	A	mail.pdcnetworks.com
216.164.180.1	PTR	bdl1.eas-cbr5.atw-eas.pa.cable.rcn.net
216.164.180.1	PTR	216-164-180-1.s10495.c3-0.eas-cbr1.atw-eas.pa.cable.rcncustomer.com
216.164.180.1	A	bdl1.eas-ubr1.atw-eas.pa.cable.rcn.net
216.164.180.59	A+PTR	216-164-180-59.s10553.c3-0.eas-cbr1.atw-eas.pa.cable.rcncustomer.com
216.164.180.59	A	kstoragepa.myqnapcloud.com
216.164.183.50	A+PTR	216-164-183-50.c3-0.eas-ubr1.atw-eas.pa.cable.rcn.com
216.164.183.53	A	216-164-183-53.c3-0.eas-ubr1.atw-eas.pa.cable.rcn.com
216.164.183.97	A+PTR	216-164-183-97.c3-0.eas-ubr1.atw-eas.pa.cable.rcn.com
216.164.183.139	A	216-164-183-139.c3-0.eas-ubr1.atw-eas.pa.cable.rcn.com
216.164.183.219	A	216-164-183-219.s12505.c3-0.eas-cbr1.atw-eas.pa.cable.rcncustomer.com
216.164.184.1	PTR	bdl1.drf-ubr1.atw-drf.pa.cable.rcn.net
216.164.184.1	A	bdl1.80w-ubr1.nyr-80w.ny.cable.rcn.net
216.164.186.1	PTR	bdl1.drf-ubr1.atw-drf.pa.cable.rcn.net
216.164.186.1	A+PTR	216-164-186-1.c3-0.tlg-ubr1.atw-tlg.pa.cable.rcn.com
216.164.187.69	A	monkz.org
216.164.190.1	PTR	bdl1.drf-ubr1.atw-drf.pa.cable.rcn.net
216.164.190.1	A+PTR	216-164-190-1.c3-0.tlg-ubr3.atw-tlg.pa.cable.rcn.com