Robtex

Up: 157.240.214.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 157.240.215.0/25
Down right: 157.240.215.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
157.240.215.8	A+PTR	edge-video-shv-01-ssn1.fbcdn.net
157.240.215.8	A	video-ssn1-1.xx.fbcdn.net
157.240.215.14	A+PTR	xx-fbcdn-shv-01-ssn1.fbcdn.net
157.240.215.14	A	scontent-ssn1-1.xx.fbcdn.net
157.240.215.16	A+PTR	edge-star-shv-01-ssn1.facebook.com
157.240.215.38	PTR	edge-sonar-mini-shv-01-ssn1.fbcdn.net
157.240.215.38	A	f3692cba680-qmaxyyke1554583936-sonar.xx.fbcdn.net
157.240.215.38	A	sonar-ssn.xx.fbcdn.net
157.240.215.60	A	media-ssn1-1.cdn.whatsapp.net
157.240.215.60	A	gq2tkmzrgmzdeob.snr.whatsapp.net
157.240.215.63	A	instagram-p3-shv-01-ssn1.fbcdn.net
157.240.215.63	A	scontent-ssn1-1.cdninstagram.com