20:F4:52:00:00:00 to 20:F4:52:FF:FF:FF

Shanghai IUV Software Development Co. Ltd

MA-LChina16,777,216 addresses
Inspect this prefix

Registered address

No.18, Lane 1387 Zhangdong Rd, Pudong, Shanghai, P.R.C
shanghai shanghai 201203
China

Block details

Registry
MA-L, MAC Address Block Large (OUI)
Prefix
20:F4:52 /24
Addresses in block
16,777,216
Decimal range
36,233,719,840,768 to 36,233,736,617,983
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 20:F4:52:00:00:00 and 20:F4:52: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.

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