UNGERMANN-BASS INC. MAC address blocks

The IEEE registry carries 17 blocks registered to UNGERMANN-BASS INC., together 285 million addresses, first observed 8 Sep 2000.

Registered in US.

Prefix Block Addresses Country First registered
00:BB:F0MA-L16.8 millionUS8 Sep 2000
00:DD:00MA-L16.8 millionUS8 Sep 2000
00:DD:01MA-L16.8 millionUS8 Sep 2000
00:DD:02MA-L16.8 millionUS8 Sep 2000
00:DD:03MA-L16.8 millionUS8 Sep 2000
00:DD:04MA-L16.8 millionUS8 Sep 2000
00:DD:05MA-L16.8 millionUS8 Sep 2000
00:DD:06MA-L16.8 millionUS8 Sep 2000
00:DD:07MA-L16.8 millionUS8 Sep 2000
00:DD:08MA-L16.8 millionUS8 Sep 2000
00:DD:09MA-L16.8 millionUS8 Sep 2000
00:DD:0AMA-L16.8 millionUS8 Sep 2000
00:DD:0BMA-L16.8 millionUS8 Sep 2000
00:DD:0CMA-L16.8 millionUS8 Sep 2000
00:DD:0DMA-L16.8 millionUS8 Sep 2000
00:DD:0EMA-L16.8 millionUS8 Sep 2000
00:DD:0FMA-L16.8 millionUS8 Sep 2000

Every block registered to UNGERMANN-BASS 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.