- Prefix
- B4:E1:C4 B4-E1-C4 B4E1.C4
- Block type
- MA-L (16,777,216 addresses)
- Address range
- B4:E1:C4:00:00:00 – B4:E1:C4:FF:FF:FF
- Organization
- Microsoft Mobile Oy
- Registered address
- Keilalahdentie 4, Espoo 02150, FI
- Country
- Finland (FI)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up B4:E1:C4:00:00:00
Microsoft Mobile Oy holds 11 blocks in total: see all. Source: IEEE Registration Authority public listing.