Robtex

Up: 196.216.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 196.216.76.0/23
Down right: 196.216.78.0/23

IP	Type	Hostname
196.216.77.17	PTR	196.216.77.17.swiftkenya.com
196.216.77.17	A	external.fnbo1-1.fna.fbcdn.net
196.216.77.17	A	scontent.fnbo1-1.fna.fbcdn.net
196.216.77.18	PTR	196.216.77.18.swiftkenya.com
196.216.77.18	A	video.fnbo1-1.fna.fbcdn.net
196.216.77.30	PTR	196.216.77.30.swiftkenya.com
196.216.77.30	A	sonar.fnbo1-1.fna.fbcdn.net
196.216.77.32	A	instagram.fnbo1-1.fna.fbcdn.net
196.216.77.33	A	media.fnbo1-1.fna.whatsapp.net
196.216.77.34	A	z-p3-scontent.fnbo1-1.fna.fbcdn.net