E4:4C:C7:40:00:00 to E4:4C:C7:4F:FF:FF
Beijing Zhongchuangwei Nanjing Quantum Communication Technology Co., Ltd.
Registered address
No. 88, pubin avenue, jiangpu street, pukou district, nanjing city
nanjing Jiangsu 210000
Block details
- Registry
- MA-M, MAC Address Block Medium (OUI-28)
- Prefix
- E4:4C:C7:4 /28
- Addresses in block
- 1,048,576
- Decimal range
- 251,018,411,507,712 to 251,018,412,556,287
- 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 E4:4C:C7:40:00:00 and E4:4C:C7:4F: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.
Look up another MAC address
Any format works: colons, dashes, dots, or bare hex.