40:3F:43:00:00:00 — ExtremeNetwo

Result

Vendor ExtremeNetwo

Full Name Extreme Networks Headquarters

MAC Address 40:3F:43:00:00:00

See all OUI prefixes from this vendor → Learn how a MAC address is structured →

Recent Queries

00:11:3F:10:4B:D9 2026-07-05 21:44:17
28:6C:07:0D:B3:67 2026-07-05 21:44:17
50:0A:9C:00:00:00 2026-07-05 21:44:17
40:3F:43:00:00:00 2026-07-05 21:44:17
90:B8:32:00:00:00 2026-07-05 21:44:17
60:1D:56:00:00:00 2026-07-05 21:44:17
00:01:30:00:00:00 2026-07-05 21:44:17
40:12:77:00:00:00 2026-07-05 21:44:17
D4:F9:A1:41:09:86 2026-07-05 21:44:16
AC:61:75:6B:80:45 2026-07-05 21:44:16