- Prefix
- 00:30:81 00-30-81 0030.81
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 00:30:81:00:00:00 – 00:30:81:FF:FF:FF
- Organization
- ALTOS C&C
- Registered address
- 150-010 RM. 1012, 44-1, KOREA, KR
- Country
- South Korea (KR)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 00:30:81:00:00:00
ALTOS C&C holds 1 block in total: see all. Source: IEEE Registration Authority public listing.