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MAC prefix 00:06:DD

Assigned by the IEEE to AT & T Laboratories - Cambridge Ltd.

Prefix
00:06:DD   00-06-DD   0006.DD
Block type
MA-L (16,777,216 addresses)
Address range
00:06:DD:00:00:00 – 00:06:DD:FF:FF:FF
Organization
AT & T Laboratories - Cambridge Ltd
Registered address
24a Trumpington Street, ENGLAND, GB
Country
United Kingdom (GB)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:06:DD:00:00:00

AT & T Laboratories - Cambridge Ltd holds 1 block in total: see all. Source: IEEE Registration Authority public listing.