- Prefix
- D4:F0:B4 D4-F0-B4 D4F0.B4
- Block type
- MA-L (16,777,216 addresses)
- Address range
- D4:F0:B4:00:00:00 – D4:F0:B4:FF:FF:FF
- Organization
- Napco Security Technologies
- Registered address
- 333 Bayview Ave, Amityville NY 11701, US
- Country
- United States (US)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up D4:F0:B4:00:00:00
Napco Security Technologies holds 1 block in total: see all. Source: IEEE Registration Authority public listing.