- Prefix
- 00:21:B4 00-21-B4 0021.B4
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:21:B4:00:00:00 – 00:21:B4:FF:FF:FF
- Organization
- APRO MEDIA CO., LTD
- Registered address
- #13-5,Dodang-Dong,Wonmi-Gu,, Bucheon-City Kyunggi-Do 420-801, KR
- Country
- South Korea (KR)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:21:B4:00:00:00
APRO MEDIA CO., LTD holds 1 block in total: see all. Source: IEEE Registration Authority public listing.