Jastec

Jastec holds 2 OUI prefixes in the IEEE registry. Each prefix is the first three octets of a MAC address and covers a block of 16,777,216 addresses, so devices built by Jastec draw from a pool of about 33,554,432 possible MAC addresses in total.

Registered address: Jastec B/D 2F, 92-7 Kumgok-dong, Boondang-gu, KR 463-804

All 2 prefixes

• 00:1F:0900:1F:09:00:00:00 – 00:1F:09:FF:FF:FF
• 4C:8F:A54C:8F:A5:00:00:00 – 4C:8F:A5:FF:FF:FF

Have a full MAC address? Look it up to see which of these prefixes it belongs to — or browse the full manufacturer directory.