HTTPfy

MAC prefix 00:01:B1

Assigned by the IEEE to General Bandwidth.

Prefix
00:01:B1   00-01-B1   0001.B1
Block type
MA-L (16,777,216 addresses)
Address range
00:01:B1:00:00:00 – 00:01:B1:FF:FF:FF
Organization
General Bandwidth
Registered address
12303-B Technology Blvd., Austin TX 78727, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:01:B1:00:00:00

General Bandwidth holds 1 block in total: see all. Source: IEEE Registration Authority public listing.