Calix Inc.

Calix Inc. accessible at www.calix.com, manages 24 unique MAC address prefixes. These prefixes have a total block size of 402.7 million addresses.

The allocation includes the following types: CID(Company Identifier, not for globally unique applications) and MA-L(Mac Address Block Large, 16,777,216 addresses each).

The company registered its MAC address allocation on 04 June 2001, and the most recent update was made on 16 September 2026. These allocations support network identification and communication globally.

Unique prefixes: 24

Block Size: 402653160 (402.65 M)

www.calix.com

First registration: 04 June 2001

Last updated: 16 September 2026

Types

CID:Company Identifier. This prefix will not be used for globally unique applications. Number of address 2^24 (~16 Million)

MA-L:Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)

MAC PrefixTypeRegistration Date
00:06:31 MA-L2001-06-04
04:BC:9F MA-L2022-01-06
10:03:CD MA-L2025-12-15
10:74:C5 MA-L2024-07-16
10:7E:59 MA-L2026-09-16
14:21:03 MA-L2022-06-14
1C:8B:76 MA-L2022-06-14
34:C2:29 MA-L2026-09-16
40:E7:62 MA-L2025-12-15
44:65:7F MA-L2018-04-25
48:77:46 MA-L2019-02-25
4C:43:41 MA-L2023-06-05
5C:DB:36 MA-L2024-07-16
60:DB:98 MA-L2020-09-10
84:D3:43 MA-L2020-11-24
88:DA:36 MA-L2025-06-02
B8:94:70 MA-L2021-07-10
CC:BE:59 MA-L2016-11-17
D0:76:8F MA-L2020-03-21
DA:9D:49 CID2022-02-19
E0:49:34 MA-L2025-06-02
E4:6C:D1 MA-L2023-06-05
EC:4F:82 MA-L2015-11-17
F8:85:F9 MA-L2020-12-22