HTTPfy

MAC prefix 00:25:03

Assigned by the IEEE to IBM Corp.

Prefix
00:25:03   00-25-03   0025.03
Block type
MA-L (16,777,216 addresses)
Address range
00:25:03:00:00:00 – 00:25:03:FF:FF:FF
Organization
IBM Corp
Registered address
2051 Mission College Blvd, Santa Clara CA 95054, US
Country
United States (US)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:25:03:00:00:00

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