- Prefix
- B8:38:EF B8-38-EF B838.EF
- Block type
- MA-L (16,777,216 addresses)
- Address range
- B8:38:EF:00:00:00 – B8:38:EF:FF:FF:FF
- Organization
- ADVA Optical Networking Ltd.
- Registered address
- ADVAntage House, York YO30 4RY, GB
- Country
- United Kingdom (GB)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up B8:38:EF:00:00:00
ADVA Optical Networking Ltd. holds 7 blocks in total: see all. Source: IEEE Registration Authority public listing.