FC:4A:E9:00:00:00 to FC:4A:E9:FF:FF:FF
Castlenet Technology Inc.
Registered address
5F., No. 10, Daye Rd., Beitou Dist.
Taipei City 112030
Block details
- Registry
- MA-L, MAC Address Block Large (OUI)
- Prefix
- FC:4A:E9 /24
- Addresses in block
- 16,777,216
- Decimal range
- 277,398,666,870,784 to 277,398,683,647,999
- 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 FC:4A:E9:00:00:00 and FC:4A:E9: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.
Other blocks registered to Castlenet Technology Inc.
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