Robtex

Up: 157.240.212.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 157.240.213.0/25
Down right: 157.240.213.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
157.240.213.8	A+PTR	edge-video-shv-01-sju1.fbcdn.net
157.240.213.8	A	video-sju1-1.xx.fbcdn.net
157.240.213.14	A+PTR	xx-fbcdn-shv-01-sju1.fbcdn.net
157.240.213.14	A	scontent-sju1-1.xx.fbcdn.net
157.240.213.16	PTR	edge-star-shv-01-sju1.facebook.com
157.240.213.35	A+PTR	edge-star-mini-shv-01-sju1.facebook.com
157.240.213.38	A+PTR	edge-sonar-mini-shv-01-sju1.fbcdn.net
157.240.213.38	A	f9799b5d280kdno4pyq-shpjxhzc1505436257-sonar.xx.fbcdn.net
157.240.213.38	A	feb5a434580kxbcmk5q-lqxfdvxr1490032479-sonar.xx.fbcdn.net
157.240.213.60	A	media-sju1-1.cdn.whatsapp.net
157.240.213.60	A	wa9842a181-ha4tonzvha4dmob.snr.whatsapp.net
157.240.213.63	A+PTR	instagram-p3-shv-01-sju1.fbcdn.net
157.240.213.63	A	scontent-sju1-1.cdninstagram.com