Converting ASCII to hex

0200: 31 31 32 32 33 33 34 34 35 35 36 36 37 37 38 38 '1122334455667788'
0210: 00 '.'
0226: 11 22 33 44 55 66 77 88 '."3DUfwˆ'

How have you dump this output on the Screen (the Serial Monitor) -- I would like to now.