Robtex

Up: 201.49.80.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 201.49.80.0/25
Down right: 201.49.80.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
201.49.80.12	PTR	isp.ensite-aru1.cache.google.com
201.49.80.12	A	r1.sn-xonpux-5g0e.googlevideo.com
201.49.80.12	A	r1---sn-xonpux-5g0e.googlevideo.com
201.49.80.14	PTR	isp.ensite-aru1.cache.google.com
201.49.80.14	A	r3.sn-xonpux-5g0e.googlevideo.com
201.49.80.15	PTR	cache.google.com
201.49.80.19	PTR	cache.google.com
201.49.80.38	PTR	isp.ensite-aru1.cache.google.com
201.49.80.49	PTR	isp.ensite-aru1.cache.google.com
201.49.80.57	PTR	cache.google.com
201.49.80.72	PTR	isp.ensite-aru1.a201-49-80-72.deploy.akamaitechnologies.com
201.49.80.98	A+PTR	c001.aru001.ensite.isp.nflxvideo.net
201.49.80.98	A	ipv4_1.lagg0.c001.aru001.ensite.isp.nflxvideo.net
201.49.80.145	PTR	201-49-80-145.ensite.isp.faru1-1.fna.fbcdn.net
201.49.80.145	A	external.faru1-1.fna.fbcdn.net
201.49.80.145	A	scontent.faru1-1.fna.fbcdn.net
201.49.80.146	PTR	201-49-80-146.ensite.isp.faru1-1.fna.fbcdn.net
201.49.80.146	A	video.faru1-1.fna.fbcdn.net
201.49.80.158	A+PTR	201-49-80-158.ensite.isp.faru1-1.fna.fbcdn.net
201.49.80.158	A	201-49-80-161.ensite.isp.faru1-1.fna.fbcdn.net
201.49.80.158	A	201-49-80-160.ensite.isp.faru1-1.fna.fbcdn.net
201.49.80.160	PTR	201-49-80-160.ensite.isp.faru1-1.fna.fbcdn.net
201.49.80.160	A	instagram.faru1-1.fna.fbcdn.net
201.49.80.161	PTR	201-49-80-161.ensite.isp.faru1-1.fna.fbcdn.net
201.49.80.161	A	media.faru1-1.fna.whatsapp.net
201.49.80.162	PTR	201-49-80-162.ensite.isp.faru1-1.fna.fbcdn.net
201.49.80.162	A	z-p3-scontent.faru1-1.fna.fbcdn.net
201.49.80.168	PTR	201-49-80-168.ensite.isp.faru1-1.fna.fbcdn.net
201.49.80.168	A	z-1-video.faru1-1.fna.fbcdn.net
201.49.80.168	A	z-1-scontent.faru1-1.fna.fbcdn.net