MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
QT
IEEE Registrant 11 Prefixes
QUERCUS TECHNOLOGIES, S.L.
QUERCUS TECHNOLOGIES, S.L. manages 11 unique MAC address prefixes. These prefixes have a total block size of 45 thousand addresses.
The allocation includes the following types: IAB(Individual Address Block) and MA-S(MAC Address Block Small, previously named OUI-36, encompasses IAB assignments, 4,096 addresses each).
The company registered its MAC address allocation on 21 February 2011, and the most recent update was made on 19 July 2023. These allocations support network identification and communication globally.
Unique prefixes 11
Block Size 45045 (45.04 k)
First registration 21 February 2011
Last updated 19 July 2023
Entity Details
Unique prefixes 11
Block Size 45045 (45.04 k)
First registration 21 February 2011
Last updated 19 July 2023
Types
IAB: Block Type
Individual Address Blocks. Number of address 2^24 (~16 Million)MA-S: Block Type
Mac Address Block Small (previously named OUI-36, encompasses IAB Assignments). Number of address 2^12 (4096)Registered MAC Prefixes
All Organizationally Unique Identifiers and MAC ranges assigned to this vendor
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 00:50:C2:C0:1 | IAB | 2011-02-21 |
| 00:50:C2:FD:C | IAB | 2012-08-13 |
| 70:B3:D5:03:D | MA-S | 2016-11-26 |
| 70:B3:D5:40:B | MA-S | 2019-02-27 |
| 70:B3:D5:4C:1 | MA-S | 2014-04-14 |
| 70:B3:D5:77:7 | MA-S | 2017-09-27 |
| 70:B3:D5:A1:2 | MA-S | 2015-08-12 |
| 70:B3:D5:FF:B | MA-S | 2023-03-10 |
| 8C:1F:64:9B:9 | MA-S | 2023-07-19 |
| 8C:1F:64:B9:A | MA-S | 2021-05-15 |
| 8C:1F:64:D7:C | MA-S | 2022-03-04 |