F4:4D:5C:00:00:00 to F4:4D:5C:FF:FF:FF
Zyxel Communications Corporation
Registered address
No. 6 Innovation Road II, Science Park
Hsichu Taiwan 300
Block details
- Registry
- MA-L, MAC Address Block Large (OUI)
- Prefix
- F4:4D:5C /24
- Addresses in block
- 16,777,216
- Decimal range
- 268,613,093,163,008 to 268,613,109,940,223
- 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 F4:4D:5C:00:00:00 and F4:4D:5C: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 Zyxel Communications Corporation
View all 71Look up another MAC address
Any format works: colons, dashes, dots, or bare hex.