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MAC prefix 00:1F:EF

Assigned by the IEEE to SHINSEI INDUSTRIES CO.,LTD.

Prefix
00:1F:EF   00-1F-EF   001F.EF
Block type
MA-L (16,777,216 addresses)
Address range
00:1F:EF:00:00:00 – 00:1F:EF:FF:FF:FF
Organization
SHINSEI INDUSTRIES CO.,LTD
Registered address
4-12-15,HORIFUNE, KITA-KU,, TOKOYO 114-0004, JP
Country
Japan (JP)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:1F:EF:00:00:00

SHINSEI INDUSTRIES CO.,LTD holds 1 block in total: see all. Source: IEEE Registration Authority public listing.