MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Sei S.p.A.
Unique prefixes: 2
Block Size: 16781310 (16.78 M)
First registration: 25 October 2008
Last updated: 17 November 2015
Types
IAB: Individual Address Blocks. Number of address 2^24 (~16 Million)
MA-L: Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 00:22:B3 | MA-L | 2008-10-25 |
| 00:50:C2:17:5 | IAB | 2011-02-21 |