Robtex

Up: 74.209.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 74.209.12.0/23
Down right: 74.209.14.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
74.209.12.6	PTR	74-209-12-6.dsl.server.casstel.net
74.209.12.6	A	lcs-webhelp.com
74.209.12.42	A+PTR	74-209-12-42.dsl.static.casstel.net
74.209.12.42	A	ccskc.com
74.209.12.42	A	mail.ccskc.com
74.209.12.50	A	ns1.bessenbacher.com
74.209.12.50	A	server2k3.bessenbacher.com
74.209.12.69	PTR	74-209-12-69.dsl.static.casstel.net
74.209.12.70	A+PTR	74-209-12-70.dsl.static.casstel.net
74.209.12.70	A	kcfrost.com
74.209.12.80	A+PTR	74-209-12-80.dsl.static.casstel.net
74.209.12.81	A+PTR	mail.gardencitybank.com
74.209.12.91	A+PTR	74-209-12-91.dsl.static.casstel.net
74.209.12.136	A+PTR	74-209-12-136.dsl.dynamic.casstel.net
74.209.12.136	A	scrubsonsite.com
74.209.12.146	A+PTR	74-209-12-146.dsl.dynamic.casstel.net
74.209.12.146	A	mspry.com
74.209.12.146	A	mail.mspry.com
74.209.12.165	PTR	74-209-12-165.dsl.dynamic.casstel.net
74.209.12.165	A	jlluptown.com
74.209.12.165	A	angelalindsey.com
74.209.12.214	PTR	74-209-12-214.dsl.dynamic.casstel.net
74.209.12.226	A	mail.siouxchief.com
74.209.13.32	A+PTR	74-209-13-32.dsl.dynamic.casstel.net
74.209.13.32	A	mikeandbobby.com
74.209.14.53	A+PTR	74-209-14-53.dsl.dynamic.casstel.net
74.209.15.2	A	74-209-15-2.dsl.dynamic.casstel.net