As character names:

U+2E58 RIGHT SQUARE BRACKET WITH DOUBLE STROKE 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 185, hex 0xB9, octal \271, binary 10111001
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 152, hex 0x98, octal \230, binary 10011000
This is continuation byte 2, expecting 0 more.

U+2E58	RIGHT SQUARE BRACKET WITH DOUBLE STROKE