MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Atsumi Electric Co.,LTD.
MAC prefix: 00:11:4D
Vendor name: Atsumi Electric Co.,LTD.
MAC range: 00:11:4D:00:00:00 - 00:11:4D:FF:FF:FF
Block Size: 16777215 (16.77 M)
Hamamatsu Shizuoka 431-2103
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Initial registration: 05 June 2004
Last updated: 17 November 2015