MAC Address Lookup / Extreme Networks Headquarters
Former Extreme Networks Headquarters MAC address blocks The IEEE registry once carried 94 blocks registered to Extreme Networks Headquarters. All 94 blocks are now registered to Extreme Networks, Inc.. Extreme Networks, Inc. took over all of them.
Prefix
Block
Addresses
First registered
Organization
00:01:30 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 00:04:96 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 00:19:77 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 00:89:C9 MA-L 16.8 million 15 Nov 2025 Extreme Networks, Inc. 00:B8:1D MA-L 16.8 million 14 Jan 2026 Extreme Networks, Inc. 00:DC:B2 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 00:E0:2B MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 00:E6:0E MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 08:EA:44 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 0C:9B:78 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 0C:ED:71 MA-L 16.8 million 14 Nov 2024 Extreme Networks, Inc. 18:49:F8 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 1C:2D:60 MA-L 16.8 million 23 Mar 2026 Extreme Networks, Inc. 1C:98:4B MA-L 16.8 million 3 Oct 2025 Extreme Networks, Inc. 20:6C:8A MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 20:9E:F7 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 24:1F:BD MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 24:81:85 MA-L 16.8 million 15 Dec 2025 Extreme Networks, Inc. 30:F8:56 MA-L 16.8 million 12 Jun 2025 Extreme Networks, Inc. 34:85:84 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 40:18:B1 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 40:3F:43 MA-L 16.8 million 4 Mar 2025 Extreme Networks, Inc. 40:88:2F MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 40:B2:15 MA-L 16.8 million 3 Aug 2024 Extreme Networks, Inc. 40:E3:17 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 44:E4:E6 MA-L 16.8 million 20 Oct 2023 Extreme Networks, Inc. 48:9B:D5 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 4C:0A:4E MA-L 16.8 million 17 Apr 2025 Extreme Networks, Inc. 4C:23:1A MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 50:0A:9C MA-L 16.8 million 19 Sep 2024 Extreme Networks, Inc. 58:58:CD MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 58:59:C2 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 5C:0E:8B MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 60:1D:56 MA-L 16.8 million 23 Nov 2023 Extreme Networks, Inc. 60:2D:74 MA-L 16.8 million 3 Aug 2024 Extreme Networks, Inc. 6C:03:70 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 74:67:F7 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 78:7D:53 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 78:96:A3 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 7C:95:B1 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 7C:A4:F7 MA-L 16.8 million 17 Apr 2025 Extreme Networks, Inc. 80:95:62 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 88:5B:DD MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 88:7E:25 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 8C:49:7A MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 90:B8:32 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 94:9B:2C MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. 9C:5D:12 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. A4:73:AB MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. A4:97:91 MA-L 16.8 million 4 Mar 2025 Extreme Networks, Inc. A4:C7:F6 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. A4:EA:8E MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. A8:C6:47 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. AC:4D:D9 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. AC:7F:8D MA-L 16.8 million 21 Dec 2023 Extreme Networks, Inc. AC:ED:32 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. B0:27:CF MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. B4:2D:56 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. B4:A3:BD MA-L 16.8 million 23 Nov 2023 Extreme Networks, Inc. B4:C7:99 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. B8:1E:0B MA-L 16.8 million 14 Jan 2026 Extreme Networks, Inc. B8:50:01 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. B8:7C:F2 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. B8:DC:28 MA-L 16.8 million 23 Mar 2026 Extreme Networks, Inc. BC:34:D6 MA-L 16.8 million 11 Aug 2025 Extreme Networks, Inc. BC:F3:10 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. C4:13:E2 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. C8:51:FB MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. C8:66:5D MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. C8:67:5E MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. C8:BE:35 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. D8:02:C0 MA-L 16.8 million 20 Oct 2023 Extreme Networks, Inc. D8:54:A2 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. D8:84:66 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. D8:E0:16 MA-L 16.8 million 11 Aug 2025 Extreme Networks, Inc. DC:23:3B MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. DC:B8:08 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. DC:BB:3D MA-L 16.8 million 12 Jun 2025 Extreme Networks, Inc. DC:DC:C3 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. DC:E6:50 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. E0:1C:41 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. E0:A1:29 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. E4:16:13 MA-L 16.8 million 3 Oct 2025 Extreme Networks, Inc. E4:44:E5 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. E4:DB:AE MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. E4:FD:8C MA-L 16.8 million 14 Nov 2024 Extreme Networks, Inc. F0:2B:7C MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. F0:64:26 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. F0:9C:E9 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. F4:54:24 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. F4:6E:95 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. F4:CE:48 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. F4:EA:B5 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc. FC:0A:81 MA-L 16.8 million 15 Jul 2023 Extreme Networks, Inc.
Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.