Robtex

Up: 74.117.112.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 74.117.120.0/22
Down right: 74.117.124.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
74.117.120.0	PTR	wkstn512.plumcreek.com
74.117.120.16	PTR	wkstn528.plumcreek.com
74.117.120.43	PTR	wkstn555.plumcreek.com
74.117.120.75	PTR	wkstn587.plumcreek.com
74.117.120.114	PTR	wkstn626.plumcreek.com
74.117.120.185	PTR	wkstn697.plumcreek.com
74.117.120.218	PTR	wkstn730.plumcreek.com
74.117.120.218	A	tomhurd.net
74.117.121.19	A+PTR	wkstn19.plumcreek.com
74.117.121.48	A	wkstn48.plumcreek.com
74.117.121.106	A+PTR	wkstn106.plumcreek.com
74.117.121.151	A	wkstn151.plumcreek.com
74.117.121.172	A	wkstn172.plumcreek.com
74.117.121.180	A	wkstn180.plumcreek.com
74.117.121.222	A	wkstn222.plumcreek.com
74.117.121.223	A	wkstn223.plumcreek.com
74.117.121.240	A+PTR	wkstn240.plumcreek.com
74.117.122.9	A+PTR	wkstn265.plumcreek.com
74.117.122.147	A+PTR	wkstn403.plumcreek.com
74.117.122.170	A+PTR	wkstn426.plumcreek.com
74.117.122.179	A+PTR	wkstn435.plumcreek.com
74.117.122.184	A+PTR	wkstn440.plumcreek.com
74.117.122.198	A	wkstn454.plumcreek.com
74.117.122.202	A+PTR	wkstn458.plumcreek.com
74.117.122.203	A+PTR	wkstn459.plumcreek.com
74.117.122.238	A	wkstn494.plumcreek.com
74.117.122.250	A	wkstn506.plumcreek.com
74.117.124.71	A+PTR	mail.plumcreek.com
74.117.124.132	PTR	p2m.plumcreek.com
74.117.124.170	A	township-oneten.com
74.117.124.170	A	township110landcompany.net
74.117.124.170	A	township-one-ten.org
74.117.124.180	A	smtp.plumcreekdev.com
74.117.125.150	A	drdocs.plumcreek.com
74.117.125.206	A	www.pctci.com
74.117.125.206	A	mdf2.com
74.117.125.206	A	p2m.plumcreek.com
74.117.126.167	A	publicleaseopportunities.plumcreek.com
74.117.126.177	A	www.wyrecreationnw.com
74.117.126.177	A	wyrecreationnw.com
74.117.126.177	A	www.weyerhaeuserhuntinglands.com