- Prefix
- 00:21:45 00-21-45 0021.45
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:21:45:00:00:00 – 00:21:45:FF:FF:FF
- Organization
- Semptian Technologies Ltd.
- Registered address
- No. 809, Tower B, Shi Ji Ke Mao, Beijing 100190, CN
- Country
- China (CN)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:21:45:00:00:00
Semptian Technologies Ltd. holds 1 block in total: see all. Source: IEEE Registration Authority public listing.