MAC Address Lookup

00123C — SecondRule

Formats: 40:6c:8f:18:2c:03 or 40-6c-8f-18-2c-03, case-insensitive
Result
Vendor SecondRule
Full Name Second Rule LLC
MAC Address 00123C
See all OUI prefixes from this vendor → Learn how a MAC address is structured →
Recent Queries
MAC addresses are assigned by IEEE. Data from Wireshark
© 2017–2026   沪ICP备19020320号-5