- Prefix
- 00:21:A8 00-21-A8 0021.A8
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:21:A8:00:00:00 – 00:21:A8:FF:FF:FF
- Organization
- Telephonics Corporation
- Registered address
- 815 Broad Hollow Road, Farmingdale New York 11790, US
- Country
- United States (US)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:21:A8:00:00:00
Telephonics Corporation holds 1 block in total: see all. Source: IEEE Registration Authority public listing.