Robtex

Up: 209.226.57.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 209.226.57.128/26
Down right: 209.226.57.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
209.226.57.204	PTR	cache.google.com
209.226.57.204	A	r1.sn-cxaa5ap5ou-tmge.gvt1.com
209.226.57.204	A	r1---sn-cxaa5ap5ou-tmge.gvt1.com
209.226.57.205	PTR	cache.google.com
209.226.57.205	A	r2---sn-cxaa5ap5ou-tmge.googlevideo.com
209.226.57.205	A	r2.sn-cxaa5ap5ou-tmge.gvt1.com
209.226.57.206	PTR	cache.google.com
209.226.57.206	A	r3.sn-cxaa5ap5ou-tmge.gvt1.com
209.226.57.206	A	r3.sn-cxaa5ap5ou-tmge.googlevideo.com
209.226.57.207	PTR	cache.google.com
209.226.57.207	A	r4---sn-cxaa5ap5ou-tmge.googlevideo.com
209.226.57.207	A	r4.sn-cxaa5ap5ou-tmge.gvt1.com