Robtex

Up: 157.240.212.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 157.240.212.0/25
Down right: 157.240.212.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
157.240.212.8	A+PTR	edge-video-shv-01-lis1.fbcdn.net
157.240.212.8	A	video-lis1-1.xx.fbcdn.net
157.240.212.9	PTR	edge-msgr-latest-shv-01-lis1.facebook.com
157.240.212.14	A+PTR	xx-fbcdn-shv-01-lis1.fbcdn.net
157.240.212.14	A	scontent-lis1-1.xx.fbcdn.net
157.240.212.16	PTR	edge-star-shv-01-lis1.facebook.com
157.240.212.35	PTR	edge-star-mini-shv-01-lis1.facebook.com
157.240.212.36	A+PTR	edge-z-m-mini-shv-01-lis1.facebook.com
157.240.212.36	A	z-m-scontent-lis1-1.xx.fbcdn.net
157.240.212.38	PTR	edge-sonar-mini-shv-01-lis1.fbcdn.net
157.240.212.38	A	z-p4-scontent-dft4-1.xx.fbcdn.net
157.240.212.38	A	sonar-fvca.xx.fbcdn.net
157.240.212.60	A+PTR	whatsapp-cdn-shv-01-lis1.fbcdn.net
157.240.212.60	A	media-lis1-1.cdn.whatsapp.net
157.240.212.63	A+PTR	instagram-p3-shv-01-lis1.fbcdn.net
157.240.212.63	A	scontent-lis1-1.cdninstagram.com