40:D8:55:08:D0:00 to 40:D8:55:08:DF:FF
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Inspect this prefixRegistered address
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Block details
- Registry
- IAB, Individual Address Block (IAB)
- Prefix
- 40:D8:55:08:D /36
- Addresses in block
- 4,096
- Decimal range
- 71,297,883,754,496 to 71,297,883,758,591
- Address type
- Unicast, universally administered
What this block covers
The retired predecessor to MA-S, the same size and issued from a handful of IEEE owned prefixes. No new IABs have been issued since 2014, but existing ones remain valid.
Any MAC address between 40:D8:55:08:D0:00 and 40:D8:55:08:DF:FF belongs to this assignment. The registrant chooses the remaining 12 bits, so the same prefix can appear on very different products from the same company.