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MAC prefix 04:B3:B6

Assigned by the IEEE to Seamap (UK) Ltd.

Prefix
04:B3:B6   04-B3-B6   04B3.B6
Block type
MA-L (16,777,216 addresses)
Address range
04:B3:B6:00:00:00 – 04:B3:B6:FF:FF:FF
Organization
Seamap (UK) Ltd
Registered address
Unit 34, The Maltings, Shepton Mallet Somerset BA4 5QE, GB
Country
United Kingdom (GB)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 04:B3:B6:00:00:00

Seamap (UK) Ltd holds 1 block in total: see all. Source: IEEE Registration Authority public listing.