MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
OI
IEEE Registrant 1 Prefix
Observables, Inc.
Observables, Inc. manages 1 unique MAC address prefix. These prefixes have a total block size of 1 million addresses.
The allocation includes the following types: MA-M(MAC Address Block Medium, 1,048,576 addresses each).
The company registered its MAC address allocation on 21 February 2017, and the most recent update was made on 13 June 2026. These allocations support network identification and communication globally.
Unique prefixes 1
Block Size 1048575 (1.04 M)
First registration 21 February 2017
Last updated 13 June 2026
Entity Details
Unique prefixes 1
Block Size 1048575 (1.04 M)
First registration 21 February 2017
Last updated 13 June 2026
Types
MA-M: Block Type
Mac Address Block Medium. Number of address 2^20 (~1 Million)Registered MAC Prefixes
All Organizationally Unique Identifiers and MAC ranges assigned to this vendor
| MAC Prefix | Type | Registration Date |
|---|---|---|
| 04:71:4B:A | MA-M | 2017-02-21 |