Vendor
Cisco Systems, Inc
MA-L · 24-bit
FC:21:20
Unicast · Universally administered (U/L bit clear)
- Matched prefix
FC:21:20- Match
- MA-L assignment
- Address range
FC:21:20:00:00:00 – FC:21:20:FF:FF:FF- Addresses in block
- 16,777,216
- Country
- US
- Organization address
- 80 West Tasman Drive San Jose CA US 94568
- First registered
- Aug 14, 2026
Formats
-
Plain hex
FC2120 -
Colon-separated
FC:21:20 -
Hyphen-separated
FC-21-20 -
Cisco dot notation
FC21.20