- Prefix
- 28:DB:81 28-DB-81 28DB.81
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 28:DB:81:00:00:00 – 28:DB:81:FF:FF:FF
- Organization
- Shanghai Guao Electronic Technology Co., Ltd
- Registered address
- No.6, Alley 1225 TongPu Road,, Shanghai 200333, CN
- Country
- China (CN)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 28:DB:81:00:00:00
Shanghai Guao Electronic Technology Co., Ltd holds 1 block in total: see all. Source: IEEE Registration Authority public listing.