- Prefix
- D4:90:E0 D4-90-E0 D490.E0
- Block type
- MA-L (16,777,216 addresses)
- Address range
- D4:90:E0:00:00:00 – D4:90:E0:FF:FF:FF
- Organization
- Topcon Electronics GmbH & Co. KG
- Registered address
- Industriestraße 7, Geisenheim 65366, DE
- Country
- Germany (DE)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up D4:90:E0:00:00:00
Topcon Electronics GmbH & Co. KG holds 2 blocks in total: see all. Source: IEEE Registration Authority public listing.