MAC Address Lookup

 MAC

Grasphere Japan

MAC prefix: 04:19:7F

Vendor name: Grasphere Japan

MAC range: 04:19:7F:00:00:00 - 04:19:7F:FF:FF:FF

Block Size: 16777215 (16.77 M)

Address:

3-1-11 NNT build.
Tokyo 1030013
JP.

Type MA-L

Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

Initial registration: 22 September 2017

Country JP map