Robtex

Up: 96.30.112.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 96.30.112.0/23
Down right: 96.30.114.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
96.30.112.12	PTR	cache.google.com
96.30.112.12	A	r1.sn-nth2ivot-c33l.googlevideo.com
96.30.112.12	A	r1.sn-nth2ivot-c33l.gvt1.com
96.30.112.13	PTR	cache.google.com
96.30.112.13	A	r2.sn-nth2ivot-c33l.gvt1.com