54:78:C9:00:00:00 to 54:78:C9:FF:FF:FF
AMPAK Technology,Inc.
Inspect this prefixRegistered address
3F, No.15-1 Zhonghua Road, Hsinchu Industrail Park, Hukou,
Hsinchu Hsinchu,Taiwan R.O.C. 30352
Block details
- Registry
- MA-L, MAC Address Block Large (OUI)
- Prefix
- 54:78:C9 /24
- Addresses in block
- 16,777,216
- Decimal range
- 92,877,745,029,120 to 92,877,761,806,335
- Address type
- Unicast, universally administered
What this block covers
The classic 24 bit OUI. The registrant owns the first three octets and can assign every one of the remaining 16.7 million addresses.
Any MAC address between 54:78:C9:00:00:00 and 54:78:C9:FF:FF:FF belongs to this assignment. The registrant chooses the remaining 24 bits, so the same prefix can appear on very different products from the same company.