Character devices:
  1 mem
  4 /dev/vc/0
  4 tty
  4 ttyS
  5 /dev/tty
  5 /dev/console
  5 /dev/ptmx
  5 ttyprintk
  6 lp
  7 vcs
 10 misc
 13 input
 21 sg
 29 fb
 89 i2c
108 ppp
128 ptm
136 pts
180 usb
189 usb_device
226 drm
242 vfio
243 uio
244 ipmidev
245 macvtap
246 mei
247 aac
248 ql2xapidev
249 ptp
250 pps
251 bsg
252 watchdog
253 rtc
254 tpm

Block devices:
  1 ramdisk
259 blkext
  7 loop
  8 sd
  9 md
 11 sr
 43 nbd
 65 sd
 66 sd
 67 sd
 68 sd
 69 sd
 70 sd
 71 sd
128 sd
129 sd
130 sd
131 sd
132 sd
133 sd
134 sd
135 sd
147 drbd
252 device-mapper
253 virtblk
254 mdp
