As character names:

U+2423 OPEN BOX character (␣)

As raw characters:

␣

As a string of HTML entities:

␣

Decoder output:

Byte number 1 is decimal 226, hex 0xE2, octal \342, binary 11100010
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 144, hex 0x90, octal \220, binary 10010000
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 163, hex 0xA3, octal \243, binary 10100011
This is continuation byte 2, expecting 0 more.

U+2423	OPEN BOX
	* graphic for space
	x (counterbore - 2334)