$ udevadm info --name=/dev/bus/usb/004/004 --query=propertyBUSNUM=004
DEVNAME=/dev/bus/usb/004/004
DEVNUM=004
DEVPATH=/devices/pci0000:00/0000:00:13.2/usb4/4-4
DEVTYPE=usb_device
DRIVER=usb
ID_BUS=usb
ID_MODEL=LG_CDMA_USB_Modem
ID_MODEL_ENC=LG\x20CDMA\x20USB\x20Modem
ID_MODEL_FROM_DATABASE=Various Mobile Phones
ID_MODEL_ID=6000
ID_REVISION=0000
ID_SERIAL=LG_CDMA_USB_Modem_LG_CDMA_USB_Modem
ID_USB_INTERFACES=:020201:0aff00:ffff00:
ID_VENDOR=LG_CDMA_USB_Modem
ID_VENDOR_ENC=LG\x20CDMA\x20USB\x20Modem
ID_VENDOR_FROM_DATABASE=LG Electronics, Inc.
ID_VENDOR_ID=1004
MAJOR=189
MINOR=387
PRODUCT=1004/6000/0
SUBSYSTEM=usb
TYPE=2/0/0
USEC_INITIALIZED=1209379