Robtex

Up: 31.13.76.0/24
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Down right: 31.13.76.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
31.13.76.169	PTR	edge-z-p4-shv-01-gmp1.facebook.com
31.13.76.169	A	edge-z-p4-shv-01-sea1.facebook.com
31.13.76.169	A	z-p4-scontent-gmp1-1.xx.fbcdn.net
31.13.76.170	A+PTR	edge-mqtt-p4-shv-01-gmp1.facebook.com
31.13.76.170	A	edge-mqtt-p4-shv-01-sea1.facebook.com
31.13.76.170	A	mqtt-p4.c10r.facebook.com
31.13.76.171	A+PTR	edge-snaptu-http-p4-shv-01-sea1.facebook.com
31.13.76.172	A+PTR	instagram-p4-shv-01-gmp1.fbcdn.net
31.13.76.172	A	z-p4-scontent.cdninstagram.com
31.13.76.172	A	instagram-p4-shv-01-sea1.fbcdn.net
31.13.76.173	A+PTR	edge-ig-mqtt-p4-shv-01-gmp1.facebook.com
31.13.76.173	A	edge-ig-mqtt-p4-shv-01-sea1.facebook.com
31.13.76.173	A	mqtt-ig-p4.c10r.facebook.com
31.13.76.174	A+PTR	instagram-p42-shv-01-gmp1.fbcdn.net
31.13.76.174	A	z-p42-scontent.cdninstagram.com
31.13.76.174	A	instagram-p42-shv-01-sea1.fbcdn.net