- Prefix
- EC:21:50 EC-21-50 EC21.50
- Block type
- MA-L (16,777,216 addresses)
- Address range
- EC:21:50:00:00:00 – EC:21:50:FF:FF:FF
- Organization
- vivo Mobile Communication Co., Ltd.
- Registered address
- No.1, vivo Road, Chang'an, Dongguan Guangdong 523860, CN
- Country
- China (CN)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up EC:21:50:00:00:00
vivo Mobile Communication Co., Ltd. holds 128 blocks in total: see all. Source: IEEE Registration Authority public listing.