MAC Address Lookup
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Extreme Networks, Inc. acquired MAC address blocks

130 blocks now registered to Extreme Networks, Inc. came through 6 former-owner relationships.

Current owner
Extreme Networks, Inc.
Former owners
6
Blocks
130
Addresses
2.2 billion

Former owners: Extreme Networks Headquarters × 94 · Aerohive Networks Inc. × 20 · Extreme Networks × 9 · Zebra Technologies Inc × 4 · Motorola Solutions Inc. × 2 · Motorola × 1

Prefix Former owner Block Addresses First observed
00:19:77Aerohive Networks Inc.MA-L16.8 million27 Aug 2006
08:EA:44Aerohive Networks Inc.MA-L16.8 million22 Nov 2011
20:6C:8AAerohive Networks Inc.MA-L16.8 million4 Aug 2016
34:85:84Aerohive Networks Inc.MA-L16.8 million2 Aug 2017
40:18:B1Aerohive Networks Inc.MA-L16.8 million25 Jan 2012
58:59:C2Aerohive Networks Inc.MA-L16.8 million10 Jul 2019
78:7D:53Aerohive Networks Inc.MA-L16.8 million23 Jun 2018
7C:95:B1Aerohive Networks Inc.MA-L16.8 million4 Aug 2016
88:5B:DDAerohive Networks Inc.MA-L16.8 million24 Jan 2014
90:B8:32Aerohive Networks Inc.MA-L16.8 million10 Jul 2019
9C:5D:12Aerohive Networks Inc.MA-L16.8 million2 Jun 2012
B8:7C:F2Aerohive Networks Inc.MA-L16.8 million24 Jan 2014
BC:F3:10Aerohive Networks Inc.MA-L16.8 million23 Jun 2018
C4:13:E2Aerohive Networks Inc.MA-L16.8 million14 Jan 2015
C8:66:5DAerohive Networks Inc.MA-L16.8 million17 Sep 2015
C8:67:5EAerohive Networks Inc.MA-L16.8 million17 Sep 2015
D8:54:A2Aerohive Networks Inc.MA-L16.8 million14 Jan 2015
E0:1C:41Aerohive Networks Inc.MA-L16.8 million25 Jan 2012
F0:9C:E9Aerohive Networks Inc.MA-L16.8 million2 Jun 2012
F4:EA:B5Aerohive Networks Inc.MA-L16.8 million2 Aug 2017
00:01:30Extreme NetworksMA-L16.8 million8 Sep 2000
00:04:96Extreme NetworksMA-L16.8 million4 Dec 2000
00:E0:2BExtreme NetworksMA-L16.8 million22 Apr 1998
5C:0E:8BExtreme NetworksMA-L16.8 million26 Feb 2010
74:67:F7Extreme NetworksMA-L16.8 million11 Jul 2015
B4:C7:99Extreme NetworksMA-L16.8 million15 Apr 2011
B8:50:01Extreme NetworksMA-L16.8 million16 Aug 2016
D8:84:66Extreme NetworksMA-L16.8 million12 Aug 2014
FC:0A:81Extreme NetworksMA-L16.8 million17 Nov 2011
00:01:30Extreme Networks HeadquartersMA-L16.8 million8 Sep 2000
00:04:96Extreme Networks HeadquartersMA-L16.8 million4 Dec 2000
00:19:77Extreme Networks HeadquartersMA-L16.8 million27 Aug 2006
00:89:C9Extreme Networks HeadquartersMA-L16.8 million15 Nov 2025
00:B8:1DExtreme Networks HeadquartersMA-L16.8 million14 Jan 2026
00:DC:B2Extreme Networks HeadquartersMA-L16.8 million14 Nov 2020
00:E0:2BExtreme Networks HeadquartersMA-L16.8 million22 Apr 1998
00:E6:0EExtreme Networks HeadquartersMA-L16.8 million19 Jan 2023
08:EA:44Extreme Networks HeadquartersMA-L16.8 million22 Nov 2011
0C:9B:78Extreme Networks HeadquartersMA-L16.8 million13 Jul 2023
0C:ED:71Extreme Networks HeadquartersMA-L16.8 million14 Nov 2024
18:49:F8Extreme Networks HeadquartersMA-L16.8 million15 Jul 2023
1C:2D:60Extreme Networks HeadquartersMA-L16.8 million23 Mar 2026
1C:98:4BExtreme Networks HeadquartersMA-L16.8 million3 Oct 2025
20:6C:8AExtreme Networks HeadquartersMA-L16.8 million4 Aug 2016
20:9E:F7Extreme Networks HeadquartersMA-L16.8 million26 Dec 2019
24:1F:BDExtreme Networks HeadquartersMA-L16.8 million27 Feb 2022
24:81:85Extreme Networks HeadquartersMA-L16.8 million15 Dec 2025
30:F8:56Extreme Networks HeadquartersMA-L16.8 million12 Jun 2025
34:85:84Extreme Networks HeadquartersMA-L16.8 million2 Aug 2017
40:18:B1Extreme Networks HeadquartersMA-L16.8 million25 Jan 2012
40:3F:43Extreme Networks HeadquartersMA-L16.8 million4 Mar 2025
40:88:2FExtreme Networks HeadquartersMA-L16.8 million9 Apr 2020
40:B2:15Extreme Networks HeadquartersMA-L16.8 million3 Aug 2024
40:E3:17Extreme Networks HeadquartersMA-L16.8 million22 Jun 2023
44:E4:E6Extreme Networks HeadquartersMA-L16.8 million20 Oct 2023
48:9B:D5Extreme Networks HeadquartersMA-L16.8 million13 Apr 2019
4C:0A:4EExtreme Networks HeadquartersMA-L16.8 million17 Apr 2025
4C:23:1AExtreme Networks HeadquartersMA-L16.8 million25 Dec 2022
50:0A:9CExtreme Networks HeadquartersMA-L16.8 million19 Sep 2024
58:58:CDExtreme Networks HeadquartersMA-L16.8 million15 Sep 2022
58:59:C2Extreme Networks HeadquartersMA-L16.8 million10 Jul 2019
5C:0E:8BExtreme Networks HeadquartersMA-L16.8 million26 Feb 2010
60:1D:56Extreme Networks HeadquartersMA-L16.8 million23 Nov 2023
60:2D:74Extreme Networks HeadquartersMA-L16.8 million3 Aug 2024
6C:03:70Extreme Networks HeadquartersMA-L16.8 million29 Dec 2022
74:67:F7Extreme Networks HeadquartersMA-L16.8 million11 Jul 2015
78:7D:53Extreme Networks HeadquartersMA-L16.8 million23 Jun 2018
78:96:A3Extreme Networks HeadquartersMA-L16.8 million16 Sep 2022
7C:95:B1Extreme Networks HeadquartersMA-L16.8 million4 Aug 2016
7C:A4:F7Extreme Networks HeadquartersMA-L16.8 million17 Apr 2025
80:95:62Extreme Networks HeadquartersMA-L16.8 million14 Apr 2023
88:5B:DDExtreme Networks HeadquartersMA-L16.8 million24 Jan 2014
88:7E:25Extreme Networks HeadquartersMA-L16.8 million20 Jun 2019
8C:49:7AExtreme Networks HeadquartersMA-L16.8 million21 Oct 2021
90:B8:32Extreme Networks HeadquartersMA-L16.8 million10 Jul 2019
94:9B:2CExtreme Networks HeadquartersMA-L16.8 million23 May 2018
9C:5D:12Extreme Networks HeadquartersMA-L16.8 million2 Jun 2012
A4:73:ABExtreme Networks HeadquartersMA-L16.8 million14 Jul 2023
A4:97:91Extreme Networks HeadquartersMA-L16.8 million4 Mar 2025
A4:C7:F6Extreme Networks HeadquartersMA-L16.8 million16 Oct 2022
A4:EA:8EExtreme Networks HeadquartersMA-L16.8 million9 Mar 2018
A8:C6:47Extreme Networks HeadquartersMA-L16.8 million2 Feb 2023
AC:4D:D9Extreme Networks HeadquartersMA-L16.8 million21 Mar 2023
AC:7F:8DExtreme Networks HeadquartersMA-L16.8 million21 Dec 2023
AC:ED:32Extreme Networks HeadquartersMA-L16.8 million5 Apr 2023
B0:27:CFExtreme Networks HeadquartersMA-L16.8 million28 Feb 2021
B4:2D:56Extreme Networks HeadquartersMA-L16.8 million16 Sep 2017
B4:A3:BDExtreme Networks HeadquartersMA-L16.8 million23 Nov 2023
B4:C7:99Extreme Networks HeadquartersMA-L16.8 million15 Apr 2011
B8:1E:0BExtreme Networks HeadquartersMA-L16.8 million14 Jan 2026
B8:50:01Extreme Networks HeadquartersMA-L16.8 million16 Aug 2016
B8:7C:F2Extreme Networks HeadquartersMA-L16.8 million24 Jan 2014
B8:DC:28Extreme Networks HeadquartersMA-L16.8 million23 Mar 2026
BC:34:D6Extreme Networks HeadquartersMA-L16.8 million11 Aug 2025
BC:F3:10Extreme Networks HeadquartersMA-L16.8 million23 Jun 2018
C4:13:E2Extreme Networks HeadquartersMA-L16.8 million14 Jan 2015
C8:51:FBExtreme Networks HeadquartersMA-L16.8 million15 Apr 2023
C8:66:5DExtreme Networks HeadquartersMA-L16.8 million17 Sep 2015
C8:67:5EExtreme Networks HeadquartersMA-L16.8 million17 Sep 2015
C8:BE:35Extreme Networks HeadquartersMA-L16.8 million12 Jan 2022
D8:02:C0Extreme Networks HeadquartersMA-L16.8 million20 Oct 2023
D8:54:A2Extreme Networks HeadquartersMA-L16.8 million14 Jan 2015
D8:84:66Extreme Networks HeadquartersMA-L16.8 million12 Aug 2014
D8:E0:16Extreme Networks HeadquartersMA-L16.8 million11 Aug 2025
DC:23:3BExtreme Networks HeadquartersMA-L16.8 million5 Apr 2023
DC:B8:08Extreme Networks HeadquartersMA-L16.8 million10 Jan 2019
DC:BB:3DExtreme Networks HeadquartersMA-L16.8 million12 Jun 2025
DC:DC:C3Extreme Networks HeadquartersMA-L16.8 million24 Jun 2022
DC:E6:50Extreme Networks HeadquartersMA-L16.8 million17 May 2022
E0:1C:41Extreme Networks HeadquartersMA-L16.8 million25 Jan 2012
E0:A1:29Extreme Networks HeadquartersMA-L16.8 million8 Mar 2023
E4:16:13Extreme Networks HeadquartersMA-L16.8 million3 Oct 2025
E4:44:E5Extreme Networks HeadquartersMA-L16.8 million21 Jul 2021
E4:DB:AEExtreme Networks HeadquartersMA-L16.8 million20 Sep 2022
E4:FD:8CExtreme Networks HeadquartersMA-L16.8 million14 Nov 2024
F0:2B:7CExtreme Networks HeadquartersMA-L16.8 million15 Jul 2023
F0:64:26Extreme Networks HeadquartersMA-L16.8 million23 Aug 2020
F0:9C:E9Extreme Networks HeadquartersMA-L16.8 million2 Jun 2012
F4:54:24Extreme Networks HeadquartersMA-L16.8 million15 Jul 2023
F4:6E:95Extreme Networks HeadquartersMA-L16.8 million23 Sep 2018
F4:CE:48Extreme Networks HeadquartersMA-L16.8 million21 May 2021
F4:EA:B5Extreme Networks HeadquartersMA-L16.8 million2 Aug 2017
FC:0A:81Extreme Networks HeadquartersMA-L16.8 million17 Nov 2011
5C:0E:8BMotorolaMA-L16.8 million26 Feb 2010
B4:C7:99Motorola Solutions Inc.MA-L16.8 million15 Apr 2011
FC:0A:81Motorola Solutions Inc.MA-L16.8 million17 Nov 2011
5C:0E:8BZebra Technologies IncMA-L16.8 million26 Feb 2010
B4:C7:99Zebra Technologies IncMA-L16.8 million15 Apr 2011
B8:50:01Zebra Technologies IncMA-L16.8 million16 Aug 2016
FC:0A:81Zebra Technologies IncMA-L16.8 million17 Nov 2011

Complete as of the current IEEE registry deploy. Dates are when each registration was first observed in public data, not legal assignment dates.