Cabletron Systems, Inc. MAC address blocks

The IEEE registry carries 5 blocks registered to Cabletron Systems, Inc., together 83.9 million addresses, first observed 22 Apr 1998, most recently 25 Sep 1998.

Registered in US.

Prefix Block Addresses Country First registered
00:00:1DMA-L16.8 millionUS25 Sep 1998
00:20:D4MA-L16.8 millionUS22 Apr 1998
00:60:BBMA-L16.8 millionUS22 Apr 1998
00:E0:3AMA-L16.8 millionUS22 Apr 1998
00:E0:63MA-L16.8 millionUS22 Apr 1998

Every block registered to Cabletron Systems, 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.