As character names:

U+1EE2 LATIN CAPITAL LETTER O WITH HORN AND DOT BELOW character (Ợ)

As raw characters:

As a string of HTML entities:

Ợ

Decoder output:

Byte number 1 is decimal 225, hex 0xE1, octal \341, binary 11100001
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 187, hex 0xBB, octal \273, binary 10111011
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 162, hex 0xA2, octal \242, binary 10100010
This is continuation byte 2, expecting 0 more.

U+1EE2	LATIN CAPITAL LETTER O WITH HORN AND DOT BELOW
	: 01A0 0323