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70:B3:D5:C3:A HAN CHANG

Every MAC address from 70:B3:D5:C3:A0:00 to 70:B3:D5:C3:AF:FF belongs to a block the IEEE assigned to HAN CHANG. Network cards, phones and other devices it makes carry addresses from here.

Who 70:B3:D5:C3:A belongs to

Written 70:B3:D5:C3:A, 70-B3-D5-C3-A or 70B3D5C3A, depending on the system. Look up a full address.

Prefix
70:B3:D5:C3:A/36
Organization
HAN CHANG
Registry
MA-S (36 bits)
Addresses
4,096
First address
70:B3:D5:C3:A0:00
Last address
70:B3:D5:C3:AF:FF
Address type
Globally unique, unicast
Registered address
171, Gasan digital 1-ro, Geumcheon-gu, Seoul, Republic of Korea Seoul Geumcheon-gu, Seoul KR 08503

Inside 70:B3:D5

This MA-S block is carved from the 24-bit block 70:B3:D5, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.

Other blocks assigned to HAN CHANG

2 more blocks registered under the same name.