28:B5:91:00:00:00 — Cisco

Result

Vendor Cisco

Full Name Cisco Systems, Inc

MAC Address 28:B5:91:00:00:00

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

Recent Queries

28:B5:91:00:00:00 2026-09-22 14:45:12
DC:F0:90:88:90:DD 2026-09-22 14:45:11
000F15 2026-09-22 14:45:11
00E04D 2026-09-22 14:45:11
84:2B:2B:0C:0B:28 2026-09-22 14:45:11
A0:21:B7:00:00:00 2026-09-22 14:45:11
5C:0C:E6:00:00:00 2026-09-22 14:45:11
6C:A6:04:00:00:00 2026-09-22 14:45:11
C0:42:D0:00:00:00 2026-09-22 14:45:11
00:0C:78:00:00:00 2026-09-22 14:45:11