MAC Address Lookup

Yu Heng Electric CO. TD 8C:1F:64:57:5

8C:1F:64:57:5 is a 36-bit MA-S MAC address block registered to Yu Heng Electric CO. TD in TW.

Vendor

Yu Heng Electric CO. TD

MA-S · 36-bit
8C:1F:64:57:5

Unicast · Universally administered (U/L bit clear)

Matched prefix
8C:1F:64:57:5
Match
MA-S assignment
Address range
8C:1F:64:57:50:00 – 8C:1F:64:57:5F:FF
Addresses in block
4,096
Country
TW
Organization address
No 8 , Gongye 2nd Rd., Renwu Industry Park Kaohsiung Kaohsiung City TW 814
First registered
May 16, 2021

Formats

  • Plain hex 8C1F64575
  • Colon-separated 8C:1F:64:57:5
  • Hyphen-separated 8C-1F-64-57-5
  • Cisco dot notation 8C1F.6457.5

Prefix lineage

This prefix has changed hands. Dates are when each change was first observed in public registration data (runZero mac-tracker).

  1. Yu-Heng Electric Co., LTD May 16, 2021
  2. Yu Heng Electric CO. TD Jul 15, 2025