F4:90:CB:80:00:00 to F4:90:CB:8F:FF:FF
Beijing Penslink Co., Ltd.
Registered address
502,12rd floor,no.2,Fangheng International Center Beijing, Chaoyang district 100102
Beijing Beijing 100102
Block details
- Registry
- MA-M, MAC Address Block Medium (OUI-28)
- Prefix
- F4:90:CB:8 /28
- Addresses in block
- 1,048,576
- Decimal range
- 268,902,726,631,424 to 268,902,727,679,999
- Address type
- Unicast, universally administered
What this block covers
A 28 bit block. Sixteen of these fit inside one 24 bit prefix, so the first three octets are shared with other registrants.
Any MAC address between F4:90:CB:80:00:00 and F4:90:CB:8F:FF:FF belongs to this assignment. The registrant chooses the remaining 20 bits, so the same prefix can appear on very different products from the same company.
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