- Prefix
- 90:31:4B 90-31-4B 9031.4B
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 90:31:4B:00:00:00 – 90:31:4B:FF:FF:FF
- Organization
- AltoBeam 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 90:31:4B:00:00:00
AltoBeam Inc. holds 5 blocks in total: see all. Source: IEEE Registration Authority public listing.