- Prefix
- 18:20:4C 18-20-4C 1820.4C
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 18:20:4C:00:00:00 – 18:20:4C:FF:FF:FF
- Organization
- Kummler+Matter AG
- Registered address
- Hohlstrasse 176, Zürich 8004, CH
- Country
- Switzerland (CH)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 18:20:4C:00:00:00
Kummler+Matter AG holds 1 block in total: see all. Source: IEEE Registration Authority public listing.