MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Toptech Systems, Inc.
Unique prefixes: 5
Block Size: 20475 (20.47 k)
First registration: 21 February 2011
Last updated: 06 November 2019
Types
IAB: Individual Address Blocks. Number of address 2^24 (~16 Million)
MA-S: Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)
MAC Prefix | Type | Registration Date |
---|---|---|
00:50:C2:60:9 | IAB | 2011-02-21 |
00:50:C2:BB:9 | IAB | 2011-02-21 |
00:50:C2:FD:D | IAB | 2012-08-13 |
70:B3:D5:8B:9 | MA-S | 2016-02-18 |
70:B3:D5:E9:7 | MA-S | 2019-11-06 |