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Operating systems running Tor relays - shows software diversity and potential vulnerability patterns.

• Platforms: 10 operating systems hosting relays currently detected
• Network Relays: Total: 9551
  • Primary Role: Guard: 4133 | Middle: 2538 | Exit: 2880
  • Role Categories: Guard: 4133 | Middle: 2538 | Exit: 966 | Guard+Exit: 1914
  • All Roles: Guard: 6047 | Middle: 2538 | Exit: 2880
  • Bandwidth Measured: 9483 relays, 99.3% of all relays
• Software Diversity: 93.4% Linux | 0.1% Windows | 6.5% BSD variants
• Sorted by: observed bandwidth
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Wed, 22 Oct 2025 21:32:06 GMT. Refreshed every 30 minutes from the Tor directory authorities via Tor Project's onionoo API.

Platform	Overall / Guard / Middle / Exit BW Cap	Overall / Guard / Middle / Exit CW	Guard / Middle / Exit	Unique AROI / Contact	Unique Families	Unique AS
Linux	1140.68 / 626.94 / 116.28 / 397.46 Gbit/s	93.36% / 95.08% / 94.68% / 90.75%	3923 / 2353 / 2607	2840	606	1005
FreeBSD	77.13 / 28.59 / 5.08 / 43.46 Gbit/s	6.34% / 4.61% / 4.09% / 9.21%	178 / 92 / 266	140	44	96
OpenBSD	2.17 / 0.91 / 0.89 / 0.37 Gbit/s	0.09% / 0.07% / 0.35% / 0.04%	14 / 44 / 6	53	12	43
Windows	1.33 / 0.75 / 0.58 / 0.00 Gbit/s	0.06% / 0.07% / 0.23% / 0.00%	10 / 35 / 1	27	3	32
SunOS	830.57 / 761.10 / 69.48 / 0.00 Mbit/s	0.07% / 0.13% / 0.03% / 0.00%	3 / 5 / 0	4	1	5
ElectroBSD	535.73 / 141.20 / 394.53 / 0.00 Mbit/s	0.05% / 0.03% / 0.39% / 0.00%	1 / 3 / 0	1	1	2
Darwin	322.42 / 112.34 / 210.08 / 0.00 Mbit/s	0.03% / 0.01% / 0.23% / 0.00%	3 / 3 / 0	6	1	6
NetBSD	32.69 / 32.69 / 0.00 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	1 / 0 / 0	1	0	1
Linux-libre	19.73 / 0.00 / 19.73 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 2 / 0	1	1	1
kFreeBSD	15.26 / 0.00 / 15.26 / 0.00 Mbit/s	0.00% / 0.00% / 0.01% / 0.00%	0 / 1 / 0	1	0	1