MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
RI
IEEE Registrant 4 Prefixes
Relay, Inc.
Relay, Inc. manages 4 unique MAC address prefixes. These prefixes have a total block size of 35.7 million addresses.
The allocation includes the following types: CID(Company Identifier, not for globally unique applications), MA-L(MAC Address Block Large, 16,777,216 addresses each) and MA-M(MAC Address Block Medium, 1,048,576 addresses each).
The company registered its MAC address allocation on 20 September 2023, and the most recent update was made on 31 October 2023. These allocations support network identification and communication globally.
Unique prefixes 4
Block Size 35651580 (35.65 M)
First registration 20 September 2023
Last updated 31 October 2023
Entity Details
Unique prefixes 4
Block Size 35651580 (35.65 M)
First registration 20 September 2023
Last updated 31 October 2023
Types
CID: Block Type
Company Identifier. This prefix will not be used for globally unique applications. Number of address 2^24 (~16 Million)MA-L: Block Type
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)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 |
|---|---|---|
| 00:8D:F4:9 | MA-M | 2023-10-19 |
| 00:8D:F4:E | MA-M | 2023-10-19 |
| 70:F6:CF | MA-L | 2023-10-31 |
| 7A:F9:55 | CID | 2023-09-20 |