MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Grasphere Japan
MAC address prefix 04:19:7F is registered to Grasphere Japan, located at 3-1-11 NNT build.Tokyo 1030013JP.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was registered on 22 September 2017, and no subsequent updates have been recorded.
OUI: 04:19:7F
Vendor name: Grasphere Japan
Address:
Assignment Type MA-L 3-1-11 NNT build.
Tokyo 1030013
JP.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 22 September 2017
