- Prefix
- 90:9F:33 90-9F-33 909F.33
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 90:9F:33:00:00:00 – 90:9F:33:FF:FF:FF
- Organization
- EFM Networks
- Registered address
- 6F, Benposra II 1197-1 Bojeong Giheung Gu, Yong In Kyunggi do 446913, KR
- Country
- South Korea (KR)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 90:9F:33:00:00:00
EFM Networks holds 7 blocks in total: see all. Source: IEEE Registration Authority public listing.