Robtex

Up: 84.15.64.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 84.15.64.0/25
Down right: 84.15.64.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
84.15.64.12	PTR	cache.google.com
84.15.64.12	A	r1.sn-cpux-8ovs.googlevideo.com
84.15.64.12	A	r1---sn-cpux-8ovs.googlevideo.com
84.15.64.13	PTR	cache.google.com
84.15.64.13	A	r2---sn-cpux-8ovs.googlevideo.com
84.15.64.13	A	r2.sn-cpux-8ovs.gvt1.com
84.15.64.14	PTR	cache.google.com
84.15.64.14	A	r3.sn-cpux-8ovs.googlevideo.com
84.15.64.14	A	r3.sn-cpux-8ovs.gvt1.com
84.15.64.35	A	start1688.com
84.15.64.140	PTR	cache.google.com
84.15.64.140	A	r1.sn-cpux-8ov6.googlevideo.com
84.15.64.141	PTR	cache.google.com
84.15.64.141	A	r2.sn-cpux-8ov6.googlevideo.com
84.15.64.160	PTR	cache.google.com
84.15.64.167	PTR	cache.google.com
84.15.64.236	PTR	cache.google.com
84.15.64.236	A	r1---sn-cpux-8ovl.googlevideo.com
84.15.64.236	A	r1.sn-cpux-8ovl.c.doc-0-0-sj.sj.googleusercontent.com
84.15.64.237	PTR	cache.google.com
84.15.64.237	A	r2.sn-cpux-8ovl.gvt1.com
84.15.64.237	A	r2---sn-cpux-8ovl.googlevideo.com
84.15.64.238	PTR	cache.google.com
84.15.64.238	A	r3---sn-cpux-8ovl.googlevideo.com
84.15.64.238	A	r3.sn-cpux-8ovl.gvt1.com