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MAC prefix 88:5B:DD

Assigned by the IEEE to Extreme Networks Headquarters.

Prefix
88:5B:DD   88-5B-DD   885B.DD
Block type
MA-L (16,777,216 addresses)
Address range
88:5B:DD:00:00:00 – 88:5B:DD:FF:FF:FF
Organization
Extreme Networks Headquarters
Registered address
2121 RDU Center Drive, Morrisville NC 27560, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 88:5B:DD:00:00:00

Extreme Networks Headquarters holds 73 blocks in total: see all. Source: IEEE Registration Authority public listing.