Castlenet Technology Inc.

Unique prefixes: 5

Block Size: 83886075 (83.88 M)

First registration: 09 November 2000

Last updated: 12 March 2021

Types

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

MAC Prefix Type Registration Date
00:1C:7B MA-L 2007-05-13
00:30:54 MA-L 2000-11-09
18:48:59 MA-L 2021-01-15
98:F2:17 MA-L 2021-03-12
FC:4A:E9 MA-L 2014-02-25