Robtex

Up: 177.55.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 177.55.240.0/22
Down right: 177.55.244.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
177.55.240.82	PTR	177-55-240-82.netonda.com.br
177.55.240.82	A	ns2.netonda.com.br
177.55.240.210	A	ns.netonda.com.br
177.55.241.104	PTR	177-55-241-104.netonda.com.br
177.55.241.109	PTR	177-55-241-109.netonda.com.br
177.55.242.51	PTR	177-55-242-51.netonda.com.br
177.55.242.54	PTR	177-55-242-54.netonda.com.br
177.55.242.66	PTR	177-55-242-66.netonda.com.br
177.55.243.215	PTR	177-55-243-215.netonda.com.br
177.55.244.76	PTR	cache.google.com
177.55.244.76	A	r1---sn-4gxpu5n-4vge.googlevideo.com
177.55.244.77	PTR	cache.google.com
177.55.244.77	A	r2.sn-4gxpu5n-4vge.googlevideo.com
177.55.244.77	A	r2.sn-4gxpu5n-4vge.gvt1.com
177.55.244.78	PTR	cache.google.com
177.55.244.101	PTR	177-55-244-101.netonda.com.br
177.55.244.171	PTR	177-55-244-171.netonda.com.br
177.55.245.14	PTR	177-55-245-14.netonda.com.br
177.55.245.46	PTR	177-55-245-46.netonda.com.br
177.55.245.114	PTR	177-55-245-114.netonda.com.br
177.55.245.114	A	occ-1-1916-1865.1.nflxso.net
177.55.245.114	A	occ-1-1916-1123.1.nflxso.net
177.55.245.170	PTR	177-55-245-170.netonda.com.br
177.55.246.11	PTR	177-55-246-11.netonda.com.br
177.55.246.109	PTR	177-55-246-109.netonda.com.br
177.55.247.11	PTR	177-55-247-11.netonda.com.br
177.55.247.114	PTR	177-55-247-114.netonda.com.br
177.55.247.209	PTR	177-55-247-209.netonda.com.br
177.55.247.209	A	scontent.ffor20-1.fna.fbcdn.net
177.55.247.210	A	video.ffor20-1.fna.fbcdn.net
177.55.247.224	PTR	177-55-247-224.netonda.com.br
177.55.247.224	A	z-p3-scontent.ffor20-1.fna.fbcdn.net
177.55.247.225	PTR	177-55-247-225.netonda.com.br
177.55.247.225	A	instagram.ffor20-1.fna.fbcdn.net
177.55.247.226	PTR	177-55-247-226.netonda.com.br
177.55.247.226	A	media.ffor20-1.fna.whatsapp.net