Robtex

Up: 177.155.140.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 177.155.141.0/25
Down right: 177.155.141.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
177.155.141.12	PTR	cache.google.com
177.155.141.12	A	r1---sn-bboxu-m52e.googlevideo.com
177.155.141.13	PTR	cache.google.com
177.155.141.13	A	r2.sn-bboxu-m52e.gvt1.com
177.155.141.13	A	r2---sn-bboxu-m52e.googlevideo.com
177.155.141.14	PTR	cache.google.com
177.155.141.14	A	r3.sn-bboxu-m52e.googlevideo.com
177.155.141.14	A	r3---sn-bboxu-m52e.googlevideo.com
177.155.141.108	A+PTR	177-155-141-108.gegnet.com.br
177.155.141.108	A	r1.sn-bboxu-m52l.gvt1.com
177.155.141.108	A	r1.sn-bboxu-m52l.googlevideo.com
177.155.141.109	A+PTR	177-155-141-109.gegnet.com.br
177.155.141.109	A	r2.sn-bboxu-m52l.googlevideo.com
177.155.141.109	A	r2.sn-bboxu-m52l.gvt1.com
177.155.141.110	A+PTR	177-155-141-110.gegnet.com.br
177.155.141.146	A+PTR	177-155-141-146.gegnet.com.br
177.155.141.146	A	scontent.fxap4-1.fna.fbcdn.net
177.155.141.162	A+PTR	177-155-141-162.gegnet.com.br
177.155.141.162	A	instagram.fxap4-1.fna.fbcdn.net