MAC Address Lookup
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3COM MAC address blocks

The IEEE registry carries 20 blocks registered to 3COM, together 336 million addresses, first observed 22 Apr 1998, most recently 3 Apr 2004.

Registered in US.

Its portfolio also includes blocks acquired from 3COM CORPORATION × 17 · 3 Com Corporation × 2.

Prefix Block Addresses Country First registered
00:01:02MA-L16.8 millionUS8 Sep 2000
00:01:03MA-L16.8 millionUS8 Sep 2000
00:02:9CMA-L16.8 millionUS4 Jun 2001
00:04:75MA-L16.8 millionUS23 Nov 2000
00:04:76MA-L16.8 millionUS23 Nov 2000
00:06:8CMA-L16.8 millionUS4 Jun 2001
00:0A:5EMA-L16.8 millionUS3 Aug 2002
00:10:4BMA-L16.8 millionUS22 Apr 1998
00:10:5AMA-L16.8 millionUS22 Apr 1998
00:20:AFMA-L16.8 millionUS22 Apr 1998
00:26:54MA-L16.8 millionUS3 Apr 2004
00:50:04MA-L16.8 millionUS8 Sep 2000
00:50:DAMA-L16.8 millionUS8 Sep 2000
00:60:08MA-L16.8 millionUS22 Apr 1998
00:60:8CMA-L16.8 millionUS22 Apr 1998
00:60:97MA-L16.8 millionUS22 Apr 1998
00:A0:24MA-L16.8 millionUS22 Apr 1998
00:D0:D8MA-L16.8 millionUS8 Sep 2000
02:60:8CMA-L16.8 millionUS25 Sep 1998
02:C0:8CMA-L16.8 millionUS8 Sep 2000

Every block registered to 3COM 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.