Robtex

Up: 31.13.82.128/25
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Down left: 31.13.82.128/27
Down right: 31.13.82.160/27
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.13.82.170	PTR	edge-mqtt-p4-shv-01-nrt1.facebook.com
31.13.82.170	A	mqtt-p4.c10r.facebook.com
31.13.82.172	A+PTR	instagram-p4-shv-01-nrt1.fbcdn.net
31.13.82.172	A	z-p4-instagram.c10r.facebook.com
31.13.82.172	A	z-p4-scontent.cdninstagram.com
31.13.82.173	A+PTR	edge-ig-mqtt-p4-shv-01-nrt1.facebook.com
31.13.82.173	A	mqtt-ig-p4.c10r.facebook.com
31.13.82.174	A+PTR	instagram-p42-shv-01-nrt1.fbcdn.net
31.13.82.174	A	z-p42-scontent.cdninstagram.com
31.13.82.174	A	z-p42-instagram.c10r.facebook.com