Optimum Online NETBLK-OOL-6BLK (NET-69-112-0-0-1) 69.112.0.0 - 69.127.255.255 Optimum Online (Cablevision Systems) OOL-CPE-BRPTCT-69-126-170-0-23 (NET-69-126-170-0-1) 69.126.170.0 - 69.126.171.255