MAC Address Lookup

Find the vendor name of a device by entering an OUI or a MAC address


E.F. Johnson

MAC prefix: 00:08:B8

Vendor name: E.F. Johnson

MAC range: 00:08:B8:00:00:00 - 00:08:B8:FF:FF:FF

Block Size: 16777215 (16.77 M)


299 Johnson Ave.
Waseca MN 56093

Type MA-L

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

Initial registration: 05 June 2002

Last updated: 17 November 2015

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