- Prefix
- 00:21:E3 00-21-E3 0021.E3
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:21:E3:00:00:00 – 00:21:E3:FF:FF:FF
- Organization
- SerialTek LLC
- Registered address
- 1570 Oakland Road, San Jose CA 95131, US
- Country
- United States (US)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:21:E3:00:00:00
SerialTek LLC holds 1 block in total: see all. Source: IEEE Registration Authority public listing.