Ciena Corporation

Unique prefixes: 24

Block Size: 402653160 (402.65 M)

First registration: 25 October 2008

Last updated: 07 November 2023

Types

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

MAC Prefix Type Registration Date
00:23:8A MA-L 2008-10-25
04:79:FD MA-L 2023-11-07
14:4E:2A MA-L 2018-10-13
18:92:A4 MA-L 2019-09-21
1C:11:61 MA-L 2017-10-11
20:80:58 MA-L 2019-06-19
2C:39:C1 MA-L 2014-02-25
2C:4A:11 MA-L 2020-10-06
54:C3:3E MA-L 2018-06-02
5C:07:A4 MA-L 2023-11-07
74:87:BB MA-L 2018-03-17
78:D7:1A MA-L 2020-07-09
84:8D:CE MA-L 2022-06-16
94:43:4D MA-L 2020-02-29
9C:7A:03 MA-L 2015-11-17
AC:89:D2 MA-L 2022-12-13
C4:83:6F MA-L 2016-10-15
C8:CA:79 MA-L 2021-08-17
D0:19:6A MA-L 2019-02-14
D4:39:B8 MA-L 2020-10-14
D4:B7:D0 MA-L 2021-08-04
E0:9B:27 MA-L 2022-12-13
E4:6D:7F MA-L 2022-06-16
EC:B0:E1 MA-L 2017-08-11