- Prefix
- 28:F3:58 28-F3-58 28F3.58
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 28:F3:58:00:00:00 – 28:F3:58:FF:FF:FF
- Organization
- 2C - Trifonov & Co
- Registered address
- 133, Tsarigradsko Shose Blvd, BIZ IZOT,, Sofia 1784, BG
- Country
- Bulgaria (BG)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 28:F3:58:00:00:00
2C - Trifonov & Co holds 1 block in total: see all. Source: IEEE Registration Authority public listing.