Vendor
Chemelex LLC
MA-L · 24-bit
00:12:4F
Unicast · Universally administered (U/L bit clear)
- Matched prefix
00:12:4F- Match
- MA-L assignment
- Address range
00:12:4F:00:00:00 – 00:12:4F:FF:FF:FF- Addresses in block
- 16,777,216
- Country
- US
- Organization address
- 1665 Utica Avenue, Suite 700 St Louis Park MN US 55416
- First registered
- Sep 9, 2004
Formats
-
Plain hex
00124F -
Colon-separated
00:12:4F -
Hyphen-separated
00-12-4F -
Cisco dot notation
0012.4F
Prefix lineage
This prefix has changed hands. Dates are when each change was first observed in public registration data (runZero mac-tracker).
- Tyco Thermal Controls LLC. Sep 9, 2004
- Pentair Thermal Management Jun 7, 2013
- nVent May 3, 2018
- Chemelex LLC Dec 11, 2025