MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
SI
IEEE Registrant 2 Prefixes
silicom
silicom manages 2 unique MAC address prefixes. These prefixes have a total block size of 16.8 million addresses.
The allocation includes the following types: MA-L(MAC Address Block Large, 16,777,216 addresses each) 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 07 January 2020. These allocations support network identification and communication globally.
Unique prefixes 2
Block Size 16781310 (16.78 M)
First registration 07 January 2020
Last updated —
Entity Details
Unique prefixes 2
Block Size 16781310 (16.78 M)
First registration 07 January 2020
Types
MA-L: Block Type
Mac Address Block Large (previously named OUI). 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 |
|---|---|---|
| 70:B3:D5:F6:4 | MA-S | 2020-01-07 |
| 90:EC:77 | MA-L | 2020-01-08 |