- Prefix
- A4:EF:15 A4-EF-15 A4EF.15
- Block type
- MA-L (16,777,216 addresses)
- Address range
- A4:EF:15:00:00:00 – A4:EF:15:FF:FF:FF
- Organization
- AltoBeam (China) Inc.
- Registered address
- B808, Tsinghua Tongfang Hi-Tech Plaza, Haidian, Beijing Beijing 100083, CN
- Country
- China (CN)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up A4:EF:15:00:00:00
AltoBeam (China) Inc. holds 8 blocks in total: see all. Source: IEEE Registration Authority public listing.