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MAC prefix 00:01:87

Assigned by the IEEE to I2SE GmbH.

Prefix
00:01:87   00-01-87   0001.87
Block type
MA-L (16,777,216 addresses)
Address range
00:01:87:00:00:00 – 00:01:87:FF:FF:FF
Organization
I2SE GmbH
Registered address
Friedrich-Ebert-Str. 61, Leipzig 04109, DE
Country
Germany (DE)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:01:87:00:00:00

I2SE GmbH holds 1 block in total: see all. Source: IEEE Registration Authority public listing.