Robtex

Up: 67.221.36.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 67.221.38.0/24
Down right: 67.221.39.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
67.221.38.26	A	minglemedia.com
67.221.38.112	A	alcfd.com
67.221.38.179	PTR	c1.dasient.com
67.221.38.179	A	adtrials.examplesite.org
67.221.38.179	A	*.examplesite.org
67.221.39.2	PTR	67-221-39-2.peakwebhosting.com
67.221.39.12	A	playp1.ca
67.221.39.30	A	www.playp.net
67.221.39.61	PTR	67-221-39-61.peakwebhosting.com
67.221.39.71	PTR	mip1.slb3.mlp1.39.221.67.in-addr.arpa
67.221.39.87	PTR	pat-87.ds.39.221.67.in-addr.arpa
67.221.39.109	PTR	pat-109.ds.39.221.67.in-addr.arpa
67.221.39.116	PTR	pat-116.ds.39.221.67.in-addr.arpa
67.221.39.230	PTR	srv18.rocketfuel.mlp1.peakwebhosting.com