The following example shows verbose output of ddcutil detect command on a system with 4 monitors attached.

$ ddcutil detect --verbose

Output level:               Verbose
Reporting DDC data errors:  false
Trace groups active:        none

Display 1
   Bus:                 /dev/i2c-0
   Supports DDC:        true
   EDID synopsis:
      Mfg id:           DEL
      Model:            DELL P2411H
      Serial number:    F8NDP11G119U
      Manufacture year: 2011
      EDID version:     1.3
      EDID hex dump:
        +0          +4          +8          +c            0   4   8   c   
+0000   00 ff ff ff ff ff ff 00 10 ac 6e a0 55 39 31 31   ..........n.U911
+0010   04 15 01 03 80 35 1e 78 ea bb 04 a1 59 55 9e 28   .....5.x....YU.(
+0020   0d 50 54 a5 4b 00 71 4f 81 80 d1 c0 01 01 01 01   .PT.K.qO........
+0030   01 01 01 01 01 01 02 3a 80 18 71 38 2d 40 58 2c   .......:..q8-@X,
+0040   45 00 13 2b 21 00 00 1e 00 00 00 ff 00 46 38 4e   E..+!........F8N
+0050   44 50 31 31 47 31 31 39 55 0a 00 00 00 fc 00 44   DP11G119U......D
+0060   45 4c 4c 20 50 32 34 31 31 48 0a 20 00 00 00 fd   ELL P2411H. ....
+0070   00 38 4c 1e 53 11 00 0a 20 20 20 20 20 20 00 63   .8L.S...      .c
   VCP version:         2.1
   Controller mfg:      Mstar
   Firmware version:    1.1

Display 2
   Bus:                 /dev/i2c-3
   Supports DDC:        true
   EDID synopsis:
      Mfg id:           ACI
      Model:            VE247
      Serial number:    AALMQS027787
      Manufacture year: 2010
      EDID version:     1.3
      EDID hex dump:
        +0          +4          +8          +c            0   4   8   c   
+0000   00 ff ff ff ff ff ff 00 04 69 93 24 01 01 01 01   .........i.$....
+0010   2c 14 01 03 80 35 1e 78 ea 2c c5 a4 56 50 a1 28   ,....5.x.,..VP.(
+0020   0f 50 54 bf ef 00 71 4f 81 80 81 40 95 00 a9 40   .PT...qO...@...@
+0030   b3 00 d1 c0 01 01 02 3a 80 18 71 38 2d 40 58 2c   .......:..q8-@X,
+0040   45 00 13 2b 21 00 00 1e 00 00 00 fd 00 32 4c 1e   E..+!........2L.
+0050   53 11 00 0a 20 20 20 20 20 20 00 00 00 fc 00 56   S...      .....V
+0060   45 32 34 37 0a 20 20 20 20 20 20 20 00 00 00 ff   E247.       ....
+0070   00 41 41 4c 4d 51 53 30 32 37 37 38 37 0a 00 9e   .AALMQS027787...
   VCP version:         2.0
   Controller mfg:      RealTek
   Firmware version:    2.0

Display 3
   Bus:                 /dev/i2c-5
   Supports DDC:        true
   EDID synopsis:
      Mfg id:           ACR
      Model:            Acer X243W
      Serial number:    LAG040064310
      Manufacture year: 2007
      EDID version:     1.3
      EDID hex dump:
        +0          +4          +8          +c            0   4   8   c   
+0000   00 ff ff ff ff ff ff 00 04 72 00 00 cf 12 60 74   .........r....`t
+0010   2e 11 01 03 80 34 20 78 2a ef 95 a3 54 4c 9b 26   .....4 x*...TL.&
+0020   0f 50 54 a5 4b 00 81 80 81 00 81 0f 95 00 95 0f   .PT.K...........
+0030   a9 40 b3 00 01 01 28 3c 80 a0 70 b0 23 40 30 20   .@....(<..p.#@0 
+0040   36 00 06 44 21 00 00 1a 00 00 00 fd 00 38 4c 1e   6..D!........8L.
+0050   52 11 00 0a 20 20 20 20 20 20 00 00 00 fc 00 41   R...      .....A
+0060   63 65 72 20 58 32 34 33 57 0a 20 20 00 00 00 ff   cer X243W.  ....
+0070   00 4c 41 47 30 34 30 30 36 34 33 31 30 0a 00 68   .LAG040064310..h
   VCP version:         2.1
   Controller mfg:      Mstar
   Firmware version:    0.3

Display 4
   Bus:                 /dev/i2c-6
   Supports DDC:        true
   EDID synopsis:
      Mfg id:           DEL
      Model:            DELL U3011
      Serial number:    PH5NY2CIANXL
      Manufacture year: 2012
      EDID version:     1.4
      EDID hex dump:
        +0          +4          +8          +c            0   4   8   c   
+0000   00 ff ff ff ff ff ff 00 10 ac 65 40 4c 58 4e 41   ..........e@LXNA
+0010   33 16 01 04 b5 40 28 78 3a 8d 85 ad 4f 35 b1 25   3....@(x:...O5.%
+0020   0e 50 54 a5 4b 00 71 4f 81 00 81 80 a9 40 d1 00   .PT.K.qO.....@..
+0030   d1 40 01 01 01 01 e2 68 00 a0 a0 40 2e 60 30 20   .@.....h...@.`0 
+0040   36 00 81 91 21 00 00 1a 00 00 00 ff 00 50 48 35   6...!........PH5
+0050   4e 59 32 43 49 41 4e 58 4c 0a 00 00 00 fc 00 44   NY2CIANXL......D
+0060   45 4c 4c 20 55 33 30 31 31 0a 20 20 00 00 00 fd   ELL U3011.  ....
+0070   00 31 56 1d 71 1c 00 0a 20 20 20 20 20 20 01 56   .1V.q...      .V
   VCP version:         2.1
   Controller mfg:      Mstar
   Firmware version:    1.5