Robtex

Up: 157.240.216.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 157.240.217.0/25
Down right: 157.240.217.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
157.240.217.1	A+PTR	livestream-edgetee-upload-shv-01-xsp1.facebook.com
157.240.217.1	A	edgetee-upload-xsp1-1.xx.fbcdn.net
157.240.217.1	A	edgetee-upload-xsp.xx.fbcdn.net
157.240.217.9	A+PTR	edge-video-shv-01-xsp1.fbcdn.net
157.240.217.9	A	video-xsp1-1.xx.fbcdn.net
157.240.217.14	A+PTR	edge-atlas-shv-01-xsp1.facebook.com
157.240.217.15	A+PTR	xx-fbcdn-shv-01-xsp1.fbcdn.net
157.240.217.15	A	scontent-xsp1-1.xx.fbcdn.net
157.240.217.17	A+PTR	edge-star-shv-01-xsp1.facebook.com
157.240.217.18	A+PTR	edge-extern-shv-01-xsp1.facebook.com
157.240.217.24	A+PTR	edge-mqtt-shv-01-xsp1.facebook.com
157.240.217.34	A+PTR	edge-mqtt-mini-shv-01-xsp1.facebook.com
157.240.217.35	A+PTR	edge-star-mini-shv-01-xsp1.facebook.com
157.240.217.37	A+PTR	edge-z-m-mini-shv-01-xsp1.facebook.com
157.240.217.37	A	z-m-scontent-xsp1-1.xx.fbcdn.net
157.240.217.39	PTR	edge-sonar-mini-shv-01-xsp1.fbcdn.net
157.240.217.39	A	sonar-xsp1-1.xx.fbcdn.net
157.240.217.39	A	ffcf4317d80kij33luq-iqnatxxo1490027857-sonar.xz.fbcdn.net
157.240.217.48	A+PTR	edge-turnservice-shv-01-xsp1.facebook.com
157.240.217.54	A+PTR	edge-z-p3-shv-01-xsp1.facebook.com
157.240.217.54	A	z-p3-scontent-xsp1-1.xx.fbcdn.net
157.240.217.60	A+PTR	whatsapp-cdn-shv-01-xsp1.fbcdn.net
157.240.217.60	A	media-xsp1-1.cdn.whatsapp.net
157.240.217.60	A	sonar-xsp.cdn.whatsapp.net
157.240.217.61	A+PTR	whatsapp-chatd-edge-shv-01-xsp1.facebook.com
157.240.217.62	A+PTR	edgeray-shv-01-xsp1.facebook.com
157.240.217.63	A+PTR	instagram-p3-shv-01-xsp1.fbcdn.net
157.240.217.63	A	scontent-xsp1-1.cdninstagram.com
157.240.217.174	A+PTR	instagram-p42-shv-01-xsp1.fbcdn.net