- Prefix
- F4:49:EF F4-49-EF F449.EF
- Block type
- MA-L (16,777,216 addresses)
- Address range
- F4:49:EF:00:00:00 – F4:49:EF:FF:FF:FF
- Organization
- EMSTONE
- Registered address
- #310, Ace Techno Tower 3rd, 38 Digital-ro-29-gil, Guro-Gu Seoul 08381, KR
- Country
- South Korea (KR)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up F4:49:EF:00:00:00
EMSTONE holds 1 block in total: see all. Source: IEEE Registration Authority public listing.