As character names:

U+30FB KATAKANA MIDDLE DOT character (・)

As raw characters:

・

As a string of HTML entities:

・

Decoder output:

Byte number 1 is decimal 227, hex 0xE3, octal \343, binary 11100011
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 131, hex 0x83, octal \203, binary 10000011
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 187, hex 0xBB, octal \273, binary 10111011
This is continuation byte 2, expecting 0 more.

U+30FB	KATAKANA MIDDLE DOT
	x (middle dot - 00B7)