Robtex

Up: 217.21.64.0/20
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Down left: 217.21.64.0/22
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IP	Type	Hostname
217.21.64.0	PTR	217.21.64.0.satcom-systems.net
217.21.64.10	PTR	217.21.64.10.satcom-systems.net
217.21.64.24	PTR	217.21.64.24.satcom-systems.net
217.21.64.27	PTR	217.21.64.27.satcom-systems.net
217.21.64.49	PTR	217.21.64.49.satcom-systems.net
217.21.64.51	PTR	217.21.64.51.satcom-systems.net
217.21.64.74	PTR	217.21.64.74.satcom-systems.net
217.21.64.81	PTR	217.21.64.81.satcom-systems.net
217.21.64.82	PTR	217.21.64.82.satcom-systems.net
217.21.64.112	PTR	217.21.64.112.satcom-systems.net
217.21.64.114	PTR	217.21.64.114.satcom-systems.net
217.21.64.121	PTR	217.21.64.121.satcom-systems.net
217.21.64.122	PTR	217.21.64.122.satcom-systems.net
217.21.64.130	PTR	217.21.64.130.satcom-systems.net
217.21.64.131	PTR	217.21.64.131.satcom-systems.net
217.21.64.144	PTR	217.21.64.144.satcom-systems.net
217.21.64.147	PTR	217.21.64.147.satcom-systems.net
217.21.64.153	PTR	217.21.64.153.satcom-systems.net
217.21.64.154	PTR	217.21.64.154.satcom-systems.net
217.21.64.163	PTR	217.21.64.163.satcom-systems.net
217.21.64.171	PTR	217.21.64.171.satcom-systems.net
217.21.64.184	PTR	217.21.64.184.satcom-systems.net
217.21.64.201	PTR	217.21.64.201.satcom-systems.net
217.21.64.208	PTR	217.21.64.208.satcom-systems.net
217.21.64.210	PTR	217.21.64.210.satcom-systems.net
217.21.64.219	PTR	217.21.64.219.satcom-systems.net
217.21.64.224	PTR	217.21.64.224.satcom-systems.net
217.21.64.241	PTR	217.21.64.241.satcom-systems.net
217.21.64.243	PTR	217.21.64.243.satcom-systems.net
217.21.64.249	PTR	217.21.64.249.satcom-systems.net
217.21.64.251	PTR	217.21.64.251.satcom-systems.net
217.21.67.0	PTR	217.21.67.0.satcom-systems.net
217.21.67.242	PTR	217.21.67.242.satcom-systems.net
217.21.69.1	PTR	217.21.69.1.satcom-systems.net
217.21.71.67	PTR	217.21.71.67.satcom-systems.net
217.21.71.138	PTR	217.21.71.138.satcom-systems.net