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MAC prefix 34:40:B5

Assigned by the IEEE to IBM.

Prefix
34:40:B5   34-40-B5   3440.B5
Block type
MA-L (16,777,216 addresses)
Address range
34:40:B5:00:00:00 – 34:40:B5:FF:FF:FF
Organization
IBM
Registered address
3039 E Cornwallis Rd, Research Triangle Park NC 27709, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 34:40:B5:00:00:00

IBM Corp holds 28 blocks in total: see all. Source: IEEE Registration Authority public listing.