It is UNO R3 board and Ethernet Shield combined form.
This looks like a new VAR registered on June 19th 2015.
But, it was impossible to find the manufacturer or circuit.
Overview is listed below.
Digital I/O Pins: 0~13; Analog I/O Pins: 0~5; Input Voltage: powered by USB, DC 5~9V; Output Voltage: DC 5V / 3.3V; Adopts Atmega328; UNO R3 Board Module + Ethernet Shield W5100 Module Integrated Board allows the Arduino to be a simple Web Server.
URL link is right below.