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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: 9569
  • Primary Role: Guard: 4048 | Middle: 2623 | Exit: 2898
  • Role Categories: Guard: 4048 | Middle: 2623 | Exit: 1124 | Guard+Exit: 1774
  • All Roles: Guard: 5822 | Middle: 2623 | Exit: 2898
  • Bandwidth Measured: 9495 relays, 99.2% of all relays
• Software Diversity: 90.9% Linux | 0.1% Windows | 9.0% BSD variants
• Sorted by: observed bandwidth
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Wed, 10 Sep 2025 04:36:38 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	1054.75 / 575.90 / 117.77 / 361.07 Gbit/s	90.88% / 94.71% / 94.62% / 84.85%	3836 / 2434 / 2623	2818	599	1018
FreeBSD	88.25 / 27.80 / 4.74 / 55.72 Gbit/s	8.82% / 4.98% / 4.04% / 15.11%	180 / 96 / 268	129	42	89
OpenBSD	2.02 / 0.79 / 0.90 / 0.33 Gbit/s	0.09% / 0.07% / 0.36% / 0.04%	14 / 42 / 7	53	12	43
Windows	1.19 / 0.67 / 0.52 / 0.00 Gbit/s	0.05% / 0.06% / 0.22% / 0.00%	11 / 32 / 0	24	3	27
SunOS	758.21 / 687.82 / 70.40 / 0.00 Mbit/s	0.07% / 0.13% / 0.04% / 0.00%	3 / 5 / 0	4	1	5
ElectroBSD	628.08 / 140.95 / 487.14 / 0.00 Mbit/s	0.07% / 0.03% / 0.56% / 0.00%	1 / 3 / 0	1	1	2
Darwin	276.75 / 48.98 / 227.77 / 0.00 Mbit/s	0.02% / 0.01% / 0.13% / 0.00%	1 / 7 / 0	8	1	8
NetBSD	111.87 / 94.90 / 16.96 / 0.00 Mbit/s	0.01% / 0.01% / 0.01% / 0.00%	2 / 1 / 0	2	1	3
kFreeBSD	16.67 / 0.00 / 16.67 / 0.00 Mbit/s	0.00% / 0.00% / 0.01% / 0.00%	0 / 1 / 0	1	0	1
Linux-libre	10.27 / 0.00 / 10.27 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 2 / 0	1	1	1