Robtex

Up: 129.134.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 129.134.128.0/21
Down right: 129.134.136.0/21

IP	Type	Hostname
129.134.128.161	A+PTR	fna-instagram-shv-01-fkwi11.fbcdn.net
129.134.128.161	A	instagram.fkwi11-1.fna.fbcdn.net
129.134.129.128	A+PTR	fna-fbcdn-shv-01-fist5.fbcdn.net
129.134.129.128	A	scontent.fist5-1.fna.fbcdn.net
129.134.129.162	A+PTR	fna-instagram-shv-01-fist5.fbcdn.net
129.134.129.162	A	instagram.fist5-1.fna.fbcdn.net
129.134.130.163	A+PTR	edgeray-fna-shv-01-fsjo10.facebook.com
129.134.131.129	A+PTR	fna-fbcdn-shv-01-fcky4.fbcdn.net
129.134.131.129	A	scontent.fcky4-1.fna.fbcdn.net
129.134.135.129	A+PTR	fna-fbcdn-video-shv-01-fbeg10.fbcdn.net
129.134.135.129	A	video.fbeg10-1.fna.fbcdn.net
129.134.135.130	A+PTR	fna-fbcdn-shv-01-fbeg10.fbcdn.net
129.134.135.130	A	scontent.fbeg10-1.fna.fbcdn.net
129.134.135.162	A+PTR	fna-instagram-shv-01-fbeg10.fbcdn.net
129.134.135.162	A	instagram.fbeg10-1.fna.fbcdn.net
129.134.135.163	A+PTR	edgeray-fna-shv-01-fbeg10.facebook.com
129.134.136.129	A+PTR	fna-fbcdn-video-shv-01-fjog4.fbcdn.net
129.134.136.129	A	video.fjog4-1.fna.fbcdn.net
129.134.136.132	A+PTR	fna-fbcdn-shv-01-fjog4.fbcdn.net
129.134.136.132	A	scontent.fjog4-1.fna.fbcdn.net
129.134.136.158	A+PTR	fna-fbcdn-z-m-shv-01-fjog4.fbcdn.net
129.134.136.158	A	sonar.fjog4-1.fna.fbcdn.net
129.134.136.162	A+PTR	fna-whatsapp-shv-01-fjog4.fbcdn.net
129.134.136.162	A	media.fjog4-1.fna.whatsapp.net
129.134.136.162	A	sonar.fjog4-1.fna.whatsapp.net
129.134.136.163	A+PTR	fna-instagram-shv-01-fjog4.fbcdn.net
129.134.141.7	PTR	inter1.jneti.com
129.134.141.17	PTR	bx5.jneti.com
129.134.141.49	PTR	secure6.jneti.com
129.134.141.80	PTR	netx4.jneti.com
129.134.141.81	PTR	netx5.jneti.com
129.134.141.128	PTR	network8.jneti.com
129.134.141.131	PTR	stream1.jneti.com
129.134.141.160	PTR	cx2.jneti.com
129.134.141.163	PTR	cx5.jneti.com
129.134.141.176	PTR	host3.jneti.com
129.134.141.178	PTR	host5.jneti.com