MAC Address Lookup

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



MAC prefix: 00:E0:41

Vendor name: CSPI

MAC range: 00:E0:41:00:00:00 - 00:E0:41:FF:FF:FF

Block Size: 16777215 (16.77 M)


43 Manning Rd.
Billerica MA 01821

Type MA-L

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

Initial registration: 22 April 1998

Last updated: 17 November 2015

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