NBB
AS393696 (NBB) announces at least two prefixes:
50.232.89.0/24
Comcast Cable Communications, LLC
1970-01-01
NET-50-128-0-0-1
50.128.0.0-50.255.255.255
71.86.244.0/24
Charter Communications LLC
NET-71-80-0-0-1
71.80.0.0-71.95.255.255
0