Robtex

Up: 216.246.136.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 216.246.140.0/23
Down right: 216.246.142.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.246.140.21	PTR	d-216-246-140-21.cpe.metrocast.net
216.246.140.35	A+PTR	d-216-246-140-35.cpe.metrocast.net
216.246.140.35	A	nhpfa.com
216.246.140.35	A	doubleacrefarm.com
216.246.140.73	A+PTR	d-216-246-140-73.cpe.metrocast.net
216.246.140.170	A	d-216-246-140-170.cpe.metrocast.net
216.246.140.178	A+PTR	d-216-246-140-178.cpe.metrocast.net
216.246.140.186	A+PTR	d-216-246-140-186.cpe.metrocast.net
216.246.141.5	A+PTR	d-216-246-141-5.cpe.metrocast.net
216.246.141.88	A+PTR	d-216-246-141-88.cpe.metrocast.net
216.246.141.145	A	d-216-246-141-145.cpe.metrocast.net
216.246.141.180	A+PTR	d-216-246-141-180.cpe.metrocast.net
216.246.141.203	A+PTR	d-216-246-141-203.cpe.metrocast.net
216.246.141.213	A+PTR	d-216-246-141-213.cpe.metrocast.net
216.246.141.255	A+PTR	d-216-246-141-255.cpe.metrocast.net
216.246.142.13	A	d-216-246-142-13.cpe.metrocast.net
216.246.142.109	A+PTR	d-216-246-142-109.cpe.metrocast.net
216.246.142.152	A+PTR	d-216-246-142-152.cpe.metrocast.net
216.246.142.153	A+PTR	d-216-246-142-153.cpe.metrocast.net
216.246.142.188	A+PTR	d-216-246-142-188.cpe.metrocast.net
216.246.142.244	A+PTR	d-216-246-142-244.cpe.metrocast.net
216.246.143.19	A	d-216-246-143-19.cpe.metrocast.net
216.246.143.46	A	d-216-246-143-46.cpe.metrocast.net
216.246.143.84	A+PTR	d-216-246-143-84.cpe.metrocast.net
216.246.143.132	A	d-216-246-143-132.cpe.metrocast.net
216.246.143.217	A+PTR	d-216-246-143-217.cpe.metrocast.net
216.246.143.237	A+PTR	d-216-246-143-237.cpe.metrocast.net