Robtex

Up: 64.15.124.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 64.15.126.0/24
Down right: 64.15.127.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
64.15.126.12	PTR	cache.google.com
64.15.126.12	A	r1.sn-xqbxa5c-cvns.c.doc-0-0-sj.sj.googleusercontent.com
64.15.126.12	A	r1.sn-xqbxa5c-cvns.gvt1.com
64.15.126.13	PTR	cache.google.com
64.15.126.14	A	r3.sn-xqbxa5c-cvns.c.2mdn.net
64.15.126.14	A	r3.sn-xqbxa5c-cvns.googlevideo.com
64.15.126.14	A	r3.sn-xqbxa5c-cvns.gvt1.com
64.15.126.15	PTR	cache.google.com
64.15.126.15	A	r4.sn-xqbxa5c-cvns.googlevideo.com
64.15.126.16	PTR	cache.google.com
64.15.126.19	PTR	cache.google.com
64.15.126.21	PTR	cache.google.com
64.15.126.22	PTR	cache.google.com
64.15.126.24	PTR	cache.google.com
64.15.126.25	PTR	cache.google.com
64.15.126.27	PTR	cache.google.com
64.15.126.29	PTR	cache.google.com
64.15.126.30	PTR	cache.google.com
64.15.126.32	PTR	cache.google.com
64.15.126.36	PTR	cache.google.com
64.15.126.37	PTR	cache.google.com
64.15.126.38	PTR	cache.google.com
64.15.126.39	PTR	cache.google.com
64.15.126.40	PTR	cache.google.com
64.15.126.41	PTR	cache.google.com
64.15.126.41	A	r2.sn-xqbxa5c-cvnz.c.2mdn.net
64.15.126.44	PTR	cache.google.com
64.15.126.44	A	r1.sn-xqbxa5c-cvnz.gvt1.com
64.15.126.44	A	r1.sn-xqbxa5c-cvnz.googlevideo.com
64.15.126.45	PTR	cache.google.com
64.15.126.45	A	r2.sn-xqbxa5c-cvnz.c.2mdn.net
64.15.126.48	PTR	cache.google.com
64.15.126.49	PTR	cache.google.com
64.15.126.56	PTR	cache.google.com
64.15.126.56	A	r1.sn-xqbxa5c-cvnee.gvt1.com
64.15.126.57	PTR	cache.google.com
64.15.126.57	A	r2.sn-xqbxa5c-cvnee.gvt1.com
64.15.126.59	PTR	cache.google.com
64.15.126.70	PTR	cache.google.com
64.15.126.74	PTR	cache.google.com
64.15.126.76	A	r1.sn-xqbxa5c-cvn6.c.2mdn.net
64.15.126.76	A	r1.sn-xqbxa5c-cvn6.googlevideo.com
64.15.126.77	PTR	cache.google.com
64.15.126.77	A	r2.sn-xqbxa5c-cvn6.googlevideo.com
64.15.126.77	A	r2.sn-xqbxa5c-cvn6.gvt1.com
64.15.126.80	PTR	cache.google.com
64.15.126.80	A	r5---sn-o5hxm-4jvl.googlevideo.com
64.15.126.84	PTR	cache.google.com
64.15.126.89	PTR	cache.google.com
64.15.126.94	PTR	cache.google.com
64.15.126.98	PTR	cache.google.com
64.15.126.100	PTR	cache.google.com
64.15.126.103	PTR	cache.google.com
64.15.126.104	PTR	cache.google.com
64.15.126.108	PTR	cache.google.com
64.15.126.108	A	r1.sn-xqbxa5c-cvnd.gvt1.com
64.15.126.108	A	r1.sn-xqbxa5c-cvnd.googlevideo.com
64.15.126.109	PTR	cache.google.com
64.15.126.110	PTR	cache.google.com
64.15.126.110	A	r3.sn-xqbxa5c-cvnd.googlevideo.com
64.15.126.110	A	r3.sn-xqbxa5c-cvnd.gvt1.com
64.15.126.113	PTR	cache.google.com
64.15.126.114	PTR	cache.google.com
64.15.126.119	PTR	cache.google.com
64.15.126.123	PTR	cache.google.com
64.15.126.132	PTR	cache.google.com
64.15.126.133	PTR	cache.google.com
64.15.126.140	PTR	cache.google.com
64.15.126.140	A	r1.sn-xqbxa5c-cvnk.googlevideo.com
64.15.126.140	A	r1.sn-xqbxa5c-cvnk.gvt1.com
64.15.126.141	A	r2.sn-xqbxa5c-cvnk.gvt1.com
64.15.126.141	A	r2.sn-xqbxa5c-cvnk.googlevideo.com
64.15.126.145	PTR	cache.google.com
64.15.126.152	PTR	cache.google.com
64.15.126.166	PTR	cache.google.com
64.15.126.169	PTR	cache.google.com
64.15.126.178	PTR	cache.google.com
64.15.126.179	PTR	cache.google.com
64.15.126.183	PTR	cache.google.com
64.15.126.192	PTR	cache.google.com
64.15.126.196	PTR	cache.google.com
64.15.126.199	PTR	cache.google.com
64.15.126.209	PTR	cache.google.com
64.15.126.217	PTR	cache.google.com
64.15.126.219	PTR	cache.google.com
64.15.126.226	PTR	cache.google.com
64.15.126.233	PTR	cache.google.com
64.15.126.253	PTR	cache.google.com
64.15.127.23	PTR	cache.google.com
64.15.127.33	PTR	cache.google.com