HTTPfy

MAC prefix AC:3F:A4

Assigned by the IEEE to TAIYO YUDEN CO.,LTD.

Prefix
AC:3F:A4   AC-3F-A4   AC3F.A4
Block type
MA-L (16,777,216 addresses)
Address range
AC:3F:A4:00:00:00 – AC:3F:A4:FF:FF:FF
Organization
TAIYO YUDEN CO.,LTD
Registered address
8-1, Sakae-cho, Takasaki-shi Gunma 370-8522, JP
Country
Japan (JP)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up AC:3F:A4:00:00:00

TAIYO YUDEN CO.,LTD holds 6 blocks in total: see all. Source: IEEE Registration Authority public listing.