MAC Address Lookup
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Cisco SPVTG acquired MAC address blocks

6 blocks now registered to Cisco SPVTG came through 2 former-owner relationships.

Current owner
Cisco SPVTG
Former owners
2
Blocks
6
Addresses
101 million

Former owners: Scientific Atlanta, A Cisco Company × 4 · Cisco, Service Provider Video Technology Group × 2

Prefix Former owner Block Addresses First observed
00:21:BECisco, Service Provider Video Technology GroupMA-L16.8 million18 Jun 2008
00:22:CECisco, Service Provider Video Technology GroupMA-L16.8 million19 Jul 2008
00:18:68Scientific Atlanta, A Cisco CompanyMA-L16.8 million13 Jun 2006
00:19:47Scientific Atlanta, A Cisco CompanyMA-L16.8 million14 Aug 2006
00:1B:D7Scientific Atlanta, A Cisco CompanyMA-L16.8 million8 Apr 2007
00:1E:6BScientific Atlanta, A Cisco CompanyMA-L16.8 million22 Oct 2007

Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.