R Systems Inc.
AS36690 (RS-706) announces at least two prefixes:
50.227.8.0/24
Comcast Cable Communications, LLC
about a second ago
NET-50-128-0-0-1
50.128.0.0-50.255.255.255
63.80.135.0/24
Verizon Business
NET-63-64-0-0-1
63.64.0.0-63.127.255.255
0