Tellabs MAC address blocks

The IEEE registry carries 2 blocks registered to Tellabs, together 33.6 million addresses, first observed 24 Oct 2001, most recently 13 Oct 2010.

Registered in US.

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
00:30:D0	MA-L	16.8 million	US	24 Oct 2001
70:DD:A1	MA-L	16.8 million	US	13 Oct 2010

Every block registered to Tellabs 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.