- Prefix
- B4:B1:5A B4-B1-5A B4B1.5A
- Block type
- MA-L (16,777,216 addresses)
- Address range
- B4:B1:5A:00:00:00 – B4:B1:5A:FF:FF:FF
- Organization
- Siemens AG Energy Management Division
- Registered address
- Humboldtstr. 59, Nurnberg Bavaria 90459, DE
- Country
- Germany (DE)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up B4:B1:5A:00:00:00
Siemens AG Energy Management Division holds 1 block in total: see all. Source: IEEE Registration Authority public listing.