MAC Address Lookup

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

 MAC

BLOCKSI LLC

Unique prefixes: 2

Block Size: 8190 (8.19 k)

First registration: 27 September 2017

Last updated: 28 October 2017

Types

MA-S: Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)

MAC PrefixTypeRegistration Date
70:B3:D5:95:EMA-S2017-09-27
70:B3:D5:9E:6MA-S2017-10-28