C4:5D:D8:00:00:00 to C4:5D:D8:FF:FF:FF
HDMI Forum
Registered address
1140 East Arques Avenue, Suite 900
Sunnyvale CA 94085
Block details
- Registry
- MA-L, MAC Address Block Large (OUI)
- Prefix
- C4:5D:D8 /24
- Addresses in block
- 16,777,216
- Decimal range
- 215,907,334,881,280 to 215,907,351,658,495
- 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 C4:5D:D8:00:00:00 and C4:5D:D8: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.
Look up another MAC address
Any format works: colons, dashes, dots, or bare hex.