MAC Address Lookup / All vendors / Castlenet Technology Inc.
Castlenet Technology Inc. MAC address blocks The IEEE registry carries 5 blocks registered to Castlenet Technology Inc., together 83.9 million addresses, first observed 8 Sep 2000, most recently 12 Mar 2021.
Registered in TW .
Castlenet Technology Inc. allocations
Cumulative address space by first-observed date on a linear scale sized to this chart; hover for date and total.
83.9 million
50 million
1998
2026
2004
2010
2016
2022
Cumulative address space by first-observed date on a linear scale sized to this chart; hover for date and total.
Prefix
Block
Addresses
Country
First registered
00:1C:7B MA-L 16.8 million TW 13 May 2007 00:30:54 MA-L 16.8 million TW 8 Sep 2000 18:48:59 MA-L 16.8 million TW 16 Jan 2021 98:F2:17 MA-L 16.8 million TW 12 Mar 2021 FC:4A:E9 MA-L 16.8 million TW 29 Jan 2014
Every block registered to Castlenet Technology Inc. in the IEEE registries, complete. Free-text search also matches former owners.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.