MAC Address Lookup

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

 Vendor

KRISTECH Krzysztof Kajstura

Unique prefixes: 2

Block Size: 1052670 (1.05 M)

First registration: 11 June 2019

Last updated: 12 December 2020

Types

MA-M: Mac Address Block Medium. Number of address 2^20 (~1 Million)

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

MAC PrefixTypeRegistration Date
70:B3:D5:66:CMA-S2019-06-11
98:27:82:CMA-M2020-12-12