- Prefix
- 20:4C:9E 20-4C-9E 204C.9E
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 20:4C:9E:00:00:00 – 20:4C:9E:FF:FF:FF
- Organization
- Cisco Systems, Inc
- Registered address
- 170 West Tasman Drive, San Jose CA 95134, US
- Country
- United States (US)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 20:4C:9E:00:00:00
Cisco Systems, Inc holds 1112 blocks in total: see all. Source: IEEE Registration Authority public listing.