- Prefix
- 74:91:BD 74-91-BD 7491.BD
- Block type
- MA-L (16,777,216 addresses)
- Address range
- 74:91:BD:00:00:00 – 74:91:BD:FF:FF:FF
- Organization
- Four systems Co.,Ltd.
- Registered address
- 608-608/7 Ramintra Road Kannayao, Bangkok Bangkok 10230, TH
- Country
- Thailand (TH)
- Address bits
- Unicast (I/G bit 0), globally unique (U/L bit 0)
Look up 74:91:BD:00:00:00
Four systems Co.,Ltd. holds 1 block in total: see all. Source: IEEE Registration Authority public listing.