Robtex

Up: 157.240.210.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 157.240.210.0/25
Down right: 157.240.210.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
157.240.210.8	A+PTR	edge-video-shv-01-ham3.fbcdn.net
157.240.210.8	A	video-ham3-1.xx.fbcdn.net
157.240.210.14	A+PTR	xx-fbcdn-shv-01-ham3.fbcdn.net
157.240.210.14	A	scontent-ham3-1.xx.fbcdn.net
157.240.210.38	A+PTR	edge-sonar-mini-shv-01-ham3.fbcdn.net
157.240.210.38	A	f28d8696e80kdno4pyq-qxaglflv1502325678-sonar.xz.fbcdn.net
157.240.210.38	A	fced931e580kvycti3q-rvwqukpk1496259036-sonar.xx.fbcdn.net
157.240.210.60	A+PTR	whatsapp-cdn-shv-01-ham3.fbcdn.net
157.240.210.60	A	media-ham3-1.cdn.whatsapp.net
157.240.210.63	A+PTR	instagram-p3-shv-01-ham3.fbcdn.net
157.240.210.63	A	scontent-ham3-1.cdninstagram.com