Robtex

Up: 172.217.194.128/25
Can't show all results, try to descend to a more specific CIDR
Down left: 172.217.194.192/27
Down right: 172.217.194.224/27
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
172.217.194.192	A	voice-search.l.google.com
172.217.194.197	A	wide-blogspot.l.google.com
172.217.194.199	PTR	si-in-f199.1e100.net
172.217.194.202	PTR	si-in-f202.1e100.net
172.217.194.211	A	o-o.preferred.excelcom-bdo1.proxy-all.googlezip.net
172.217.194.211	A	o-o.preferred.telkomsel-sub2.proxy-all.googlezip.net
172.217.194.211	A	proxy.googlezip.net