Robtex

Up: 216.164.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 216.164.16.0/21
Down right: 216.164.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.164.16.1	PTR	216-164-16-1.s6143.c3-0.drf-cbr1.atw-drf.pa.cable.rcncustomer.com
216.164.16.1	PTR	bdl1.drf-cbr1.atw-drf.pa.cable.rcn.net
216.164.16.1	A	bdl1.drf-ubr1.atw-drf.pa.cable.rcn.net
216.164.17.58	A	216-164-17-58.c3-0.drf-ubr1.atw-drf.pa.cable.rcn.com
216.164.17.78	A	216-164-17-78.c3-0.drf-ubr1.atw-drf.pa.cable.rcn.com
216.164.17.102	A	216-164-17-102.c3-0.drf-ubr1.atw-drf.pa.cable.rcn.com
216.164.17.147	A+PTR	216-164-17-147.c3-0.drf-ubr1.atw-drf.pa.cable.rcn.com
216.164.17.175	A	216-164-17-175.c3-0.drf-ubr1.atw-drf.pa.cable.rcn.com
216.164.19.86	A	216-164-19-86.c3-0.drf-ubr1.atw-drf.pa.cable.rcn.com
216.164.19.210	PTR	216-164-19-210.s8144.c3-0.drf-ubr1.atw-drf.pa.cable.rcncustomer.com
216.164.20.1	PTR	bdl1.drf-ubr1.atw-drf.pa.cable.rcn.net
216.164.21.9	A	bdl1.rdl-cbr2.phdl-rdl.pa.cable.rcn.net
216.164.21.11	A	mail.kellyandmassa.com
216.164.21.25	A	bdl1.tlg-cbr3.atw-tlg.pa.cable.rcn.net
216.164.21.49	PTR	216-164-21-49.pa.subnet.cable.rcn.com
216.164.21.49	A	bdl1.atw-cbr2.atw.pa.cable.rcn.net
216.164.21.50	A	mail.capstone-am.com
216.164.21.51	PTR	mail.mraeresources.com
216.164.21.57	A	bdl1.drf-ubr1.atw-drf.pa.cable.rcn.net
216.164.21.57	A	216-164-21-57.pa.subnet.cable.rcn.com
216.164.21.65	PTR	216-164-21-65.pa.subnet.cable.rcncustomer.com
216.164.21.65	A	bdl1.atw-cbr1.atw.pa.cable.rcn.net
216.164.21.69	A	216-164-21-69.pa.subnet.cable.rcn.com
216.164.21.69	A	revmikepetrow.com
216.164.21.69	A	216-164-21-69.pa.subnet.cable.rcncustomer.com
216.164.21.73	A	bdl1.atw-cbr1.atw.pa.cable.rcn.net
216.164.21.81	PTR	216-164-21-81.pa.subnet.cable.rcn.com
216.164.21.81	A	bdl1.atw-cbr1.atw.pa.cable.rcn.net
216.164.21.89	A	bdl1.atw-cbr1.atw.pa.cable.rcn.net
216.164.21.91	A	mail.lmfab.com
216.164.21.98	PTR	mail.indiconinc.com
216.164.21.113	A	bdl1.atw-cbr1.atw.pa.cable.rcn.net
216.164.21.121	A	bdl1.eas-ubr1.atw-eas.pa.cable.rcn.net
216.164.21.129	PTR	216-164-21-129.pa.subnet.cable.rcncustomer.com
216.164.21.129	A	bdl1.atw-cbr2.atw.pa.cable.rcn.net
216.164.21.137	A	bdl1.drf-ubr1.atw-drf.pa.cable.rcn.net
216.164.21.137	A	216-164-21-137.pa.subnet.cable.rcncustomer.com
216.164.21.161	A+PTR	216-164-21-161.pa.subnet.cable.rcn.com
216.164.21.161	A	bdl1.drf-ubr1.atw-drf.pa.cable.rcn.net
216.164.21.161	A	bdl1.atw-cbr3.atw.pa.cable.rcn.net
216.164.21.169	A	bdl1.drf-ubr1.atw-drf.pa.cable.rcn.net
216.164.21.169	A	216-164-21-169.pa.subnet.cable.rcn.com
216.164.21.181	A	venice.blkbx.com
216.164.21.181	A	stage3.blkbx.com
216.164.21.182	A	stage2.blkbx.com
216.164.21.186	A	216-164-21-186.pa.subnet.cable.rcn.com
216.164.21.193	PTR	216-164-21-193.pa.subnet.cable.rcn.com
216.164.21.193	A	bdl1.eas-cbr2.atw-eas.pa.cable.rcn.net
216.164.21.193	A	bdl1.eas-ubr2.atw-eas.pa.cable.rcn.net
216.164.21.209	PTR	216-164-21-209.pa.subnet.cable.rcn.com
216.164.21.209	A	bdl1.eas-cbr2.atw-eas.pa.cable.rcn.net
216.164.21.209	A	bdl1.eas-ubr2.atw-eas.pa.cable.rcn.net
216.164.21.217	A	bdl1.eas-cbr2.atw-eas.pa.cable.rcn.net
216.164.21.217	A	bdl1.eas-ubr2.atw-eas.pa.cable.rcn.net
216.164.21.218	A	mail.eastoncoach.com
216.164.21.225	PTR	216-164-21-225.pa.subnet.cable.rcn.com
216.164.21.225	A	bdl1.smt-ubr1.atw-smt.pa.cable.rcn.net
216.164.21.233	A	bdl1.atw-cbr1.atw.pa.cable.rcn.net
216.164.22.1	A	bdl1.atw-cbr3.atw.pa.cable.rcn.net
216.164.24.1	A+PTR	bdl1.atw-cbr1.atw.pa.cable.rcn.net
216.164.24.1	A+PTR	216-164-24-1.s1787.c3-0.atw-cbr1.atw.pa.cable.rcncustomer.com
216.164.24.223	A	216-164-24-223.c3-0.atw-ubr5.atw.pa.cable.rcn.com
216.164.25.2	PTR	216-164-25-2.c3-0.atw-ubr5.atw.pa.cable.rcn.com
216.164.25.28	A	mail.iobound.us
216.164.25.28	A	mail.iobound.org
216.164.25.28	A	iobound.org
216.164.25.73	A	216-164-25-73.c3-0.atw-ubr5.atw.pa.cable.rcn.com
216.164.25.85	A	216-164-25-85.c3-0.atw-cbr5.atw.pa.cable.rcn.com
216.164.25.253	A	216-164-25-253.c3-0.atw-cbr5.atw.pa.cable.rcn.com
216.164.26.210	A	zoyup.com
216.164.28.1	PTR	bdl1.drf-ubr1.atw-drf.pa.cable.rcn.net
216.164.28.1	PTR	216-164-28-1.c3-0.atw-ubr5.atw.pa.cable.rcn.com
216.164.28.2	A	216-164-28-2.c3-0.atw-ubr5.atw.pa.cable.rcn.com
216.164.29.197	A	weareforgotten.com
216.164.29.197	A	www.offendyourself.com
216.164.29.207	A	passaro.us
216.164.31.1	PTR	bdl1.smt-ubr1.atw-smt.pa.cable.rcn.net