Robtex

Up: 216.246.152.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 216.246.152.0/23
Down right: 216.246.154.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.246.152.12	PTR	d-216-246-152-12.cpe.metrocast.net
216.246.152.12	A	mail.suncooklake.com
216.246.152.136	A	d-216-246-152-136.cpe.metrocast.net
216.246.152.179	A+PTR	d-216-246-152-179.cpe.metrocast.net
216.246.152.182	A+PTR	d-216-246-152-182.cpe.metrocast.net
216.246.152.207	A	skybrightoffice.com
216.246.153.23	A+PTR	d-216-246-153-23.cpe.metrocast.net
216.246.153.84	A+PTR	d-216-246-153-84.cpe.metrocast.net
216.246.153.127	A+PTR	d-216-246-153-127.cpe.metrocast.net
216.246.153.166	A+PTR	d-216-246-153-166.cpe.metrocast.net
216.246.153.217	A+PTR	d-216-246-153-217.cpe.metrocast.net
216.246.154.30	A	d-216-246-154-30.cpe.metrocast.net
216.246.154.152	PTR	d-216-246-154-152.cpe.metrocast.net
216.246.154.162	A+PTR	d-216-246-154-162.cpe.metrocast.net
216.246.154.171	A	d-216-246-154-171.cpe.metrocast.net
216.246.154.196	A+PTR	d-216-246-154-196.cpe.metrocast.net
216.246.154.200	A+PTR	d-216-246-154-200.cpe.metrocast.net
216.246.154.200	A	jas7757.net
216.246.154.252	A+PTR	d-216-246-154-252.cpe.metrocast.net
216.246.154.252	A	pureresistance.com
216.246.154.252	A	mail.bostonaudi.org
216.246.155.12	A+PTR	d-216-246-155-12.cpe.metrocast.net
216.246.155.58	A+PTR	d-216-246-155-58.cpe.metrocast.net
216.246.155.115	A+PTR	d-216-246-155-115.cpe.metrocast.net
216.246.155.133	A+PTR	d-216-246-155-133.cpe.metrocast.net
216.246.155.182	A+PTR	d-216-246-155-182.cpe.metrocast.net
216.246.155.210	A+PTR	d-216-246-155-210.cpe.metrocast.net
216.246.155.212	A+PTR	d-216-246-155-212.cpe.metrocast.net
216.246.155.217	A+PTR	d-216-246-155-217.cpe.metrocast.net
216.246.155.233	A+PTR	d-216-246-155-233.cpe.metrocast.net