Robtex

Up: 157.240.2.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 157.240.2.0/25
Down right: 157.240.2.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
157.240.2.1	A+PTR	netprobe-bgp-01-ort2.facebook.com
157.240.2.2	A+PTR	edge-services-shv-01-ort2.facebook.com
157.240.2.3	A+PTR	livestream-edgetee-upload-shv-01-ort2.facebook.com
157.240.2.3	A	edgetee-upload.xx.fbcdn.net
157.240.2.3	A	edgetee-upload-ort2-1.xx.fbcdn.net
157.240.2.5	A+PTR	edge-resolver002-bgp-01-ort2.facebook.com
157.240.2.7	A+PTR	edge-atlas-shv-01-ort2.facebook.com
157.240.2.8	A+PTR	edge-latest-shv-01-ort2.facebook.com
157.240.2.8	A	www.www.gs.beta.facebook.com
157.240.2.8	A	www.lite.beta.facebook.com
157.240.2.10	A+PTR	edge-extern-shv-01-ort2.facebook.com
157.240.2.11	A+PTR	edge-liverail-shv-01-ort2.facebook.com
157.240.2.13	A+PTR	edge-shortwave-ws-shv-01-ort2.facebook.com
157.240.2.15	A+PTR	edge-mqtt-shv-01-ort2.facebook.com
157.240.2.17	A+PTR	edge-shortwave-shv-01-ort2.facebook.com
157.240.2.18	A	edge-snaptu-http-p1-shv-01-ort2.facebook.com
157.240.2.20	PTR	edge-star-shv-01-ort2.facebook.com
157.240.2.20	A	xn--80aclvtarw.org
157.240.2.20	A	cs-cz.pt-pt.th-th.c.facebook.com
157.240.2.21	A+PTR	edge-video-shv-01-ort2.fbcdn.net
157.240.2.21	A	video-ort2-1.xx.fbcdn.net
157.240.2.21	A	video-ort.xx.fbcdn.net
157.240.2.24	A	edge-z-p1-shv-01-ort2.facebook.com
157.240.2.25	PTR	xx-fbcdn-shv-01-ort2.fbcdn.net
157.240.2.25	A	scontent-ort.xx.fbcdn.net
157.240.2.25	A	fa318efbe80kz2xmloi-hskvtqih1496222304-sonar.xx.fbcdn.net
157.240.2.26	A+PTR	intern-managed-client-shv-01-ort2.facebook.com
157.240.2.28	PTR	livestream-fbvp-edgetee-upload-shv-01-ort2.facebook.com
157.240.2.28	A	fbvp-edgetee-upload-ort2-1.xx.fbcdn.net
157.240.2.32	A+PTR	edge-mqtt-mini-shv-01-ort2.facebook.com
157.240.2.33	A+PTR	edge-snaptu-http-mini-shv-01-ort2.facebook.com
157.240.2.34	PTR	edge-sonar-mini-shv-01-ort2.fbcdn.net
157.240.2.34	A	f60617c8f80kpll4bni-aajeqxbj1506933747-sonar.xx.fbcdn.net
157.240.2.34	A	f164323c380-fhgbqtbj1540507744-sonar.xx.fbcdn.net
157.240.2.35	A+PTR	edge-star-mini-shv-01-ort2.facebook.com
157.240.2.36	A+PTR	edge-z-m-mini-shv-01-ort2.facebook.com
157.240.2.37	A+PTR	instagram-p15-shv-01-ort2.fbcdn.net
157.240.2.38	PTR	edge-fblite-tcp-mini-shv-01-ort2.facebook.com
157.240.2.38	A	z-m-scontent-ort2-1.xx.fbcdn.net
157.240.2.38	A	fblite-mini.c10r.facebook.com
157.240.2.40	A	edge-snaptu-http-p2-shv-01-ort2.facebook.com
157.240.2.41	A+PTR	edge-z-1-p2-shv-01-ort2.facebook.com
157.240.2.41	A	z-1-video-ort2-1.xx.fbcdn.net
157.240.2.41	A	z-1-scontent-ort2-1.xx.fbcdn.net
157.240.2.48	A+PTR	edge-turnservice-shv-01-ort2.facebook.com
157.240.2.49	A+PTR	edge-oculus-shv-01-ort2.fbcdn.net
157.240.2.50	A+PTR	edge-z-p3-shv-01-ort2.facebook.com
157.240.2.50	A	z-p3-scontent-ort.xx.fbcdn.net
157.240.2.50	A	z-p3-scontent-ort2-1.xx.fbcdn.net
157.240.2.51	A+PTR	edgeray-shv-01-ort2.facebook.com
157.240.2.52	A+PTR	instagram-p3-shv-01-ort2.fbcdn.net
157.240.2.52	A	scontent-b.cdninstagram.com
157.240.2.52	A	scontent-ort2-1.cdninstagram.com
157.240.2.53	A+PTR	whatsapp-cdn-shv-01-ort2.fbcdn.net
157.240.2.53	A	wba87013c1kghd6c4a-gyydanbzgq4dmnc.snr.whatsapp.net
157.240.2.53	A	whatsapp.com
157.240.2.54	A+PTR	whatsapp-chatd-edge-shv-01-ort2.facebook.com
157.240.2.169	A+PTR	edge-z-p4-shv-01-ort2.facebook.com
157.240.2.169	A	z-p4-scontent-ort2-1.xx.fbcdn.net
157.240.2.170	A+PTR	edge-mqtt-p4-shv-01-ort2.facebook.com
157.240.2.172	A+PTR	instagram-p4-shv-01-ort2.fbcdn.net
157.240.2.172	A	z-p4-instagram.c10r.facebook.com
157.240.2.174	A+PTR	instagram-p42-shv-01-ort2.fbcdn.net
157.240.2.174	A	ig.me
157.240.2.174	A	z-p42-scontent-ort2-1.cdninstagram.com