- Prefix
- 28:1D:21 28-1D-21 281D.21
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 28:1D:21:00:00:00 – 28:1D:21:FF:FF:FF
- Organization
- IN ONE SMART TECHNOLOGY(H,K,)LIMITED
- Registered address
- UNIT I 1/F MAU LAM COMM BLDG 16-18 MAU LAM ST JORDAN KL HK, HONGKONG 999077, HK
- Country
- Hong Kong (HK)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 28:1D:21:00:00:00
IN ONE SMART TECHNOLOGY(H,K,)LIMITED holds 1 block in total: see all. Source: IEEE Registration Authority public listing.