E4:21:50:00:00:00 to E4:21:50:FF:FF:FF
Shanghai Chint low voltage electrical technology Co.,Ltd.
Registered address
3857 Sixian Road, Songjiang District, Shanghai
Shanghai Shanghai 201616
Block details
- Registry
- MA-L, MAC Address Block Large (OUI)
- Prefix
- E4:21:50 /24
- Addresses in block
- 16,777,216
- Decimal range
- 250,831,727,230,976 to 250,831,744,008,191
- Address type
- Unicast, universally administered
What this block covers
The classic 24 bit OUI. The registrant owns the first three octets and can assign every one of the remaining 16.7 million addresses.
Any MAC address between E4:21:50:00:00:00 and E4:21:50:FF:FF:FF belongs to this assignment. The registrant chooses the remaining 24 bits, so the same prefix can appear on very different products from the same company.
Look up another MAC address
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