- Prefix
- E4:D3:F1 E4-D3-F1 E4D3.F1
- Block type
- MA-L (16,777,216 addresses)
- Address range
- E4:D3:F1:00:00:00 – E4:D3:F1: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 E4:D3:F1:00:00:00
Cisco Systems, Inc holds 1112 blocks in total: see all. Source: IEEE Registration Authority public listing.