Robtex

Up: 157.240.11.128/25
Can't show all results, try to descend to a more specific CIDR
Down left: 157.240.11.128/27
Down right: 157.240.11.160/27
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
157.240.11.169	A+PTR	edge-z-p4-shv-02-lax3.facebook.com
157.240.11.169	A	z-p4-scontent-lax3-2.xx.fbcdn.net
157.240.11.170	A+PTR	edge-mqtt-p4-shv-02-lax3.facebook.com
157.240.11.170	A	mqtt-p4.c10r.facebook.com
157.240.11.172	A+PTR	instagram-p4-shv-02-lax3.fbcdn.net
157.240.11.172	A	z-p4-instagram.c10r.facebook.com
157.240.11.172	A	z-p4-scontent.cdninstagram.com
157.240.11.173	A+PTR	edge-ig-mqtt-p4-shv-02-lax3.facebook.com
157.240.11.173	A	mqtt-ig-p4.c10r.facebook.com
157.240.11.174	A+PTR	instagram-p42-shv-02-lax3.fbcdn.net
157.240.11.174	A	z-p42-scontent.cdninstagram.com
157.240.11.174	A	z-p42-instagram.c10r.facebook.com