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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: 9574
  • Primary Role: Guard: 4011 | Middle: 2664 | Exit: 2899
  • Role Categories: Guard: 4011 | Middle: 2664 | Exit: 1142 | Guard+Exit: 1757
  • All Roles: Guard: 5768 | Middle: 2664 | Exit: 2899
  • Bandwidth Measured: 9503 relays, 99.3% 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: Mon, 08 Sep 2025 19:02:22 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	1055.36 / 575.96 / 118.66 / 360.74 Gbit/s	90.87% / 94.72% / 94.57% / 84.82%	3801 / 2475 / 2624	2817	603	1015
FreeBSD	87.63 / 26.96 / 4.99 / 55.67 Gbit/s	8.83% / 4.98% / 4.09% / 15.15%	177 / 98 / 268	129	42	88
OpenBSD	2.04 / 0.77 / 0.93 / 0.34 Gbit/s	0.08% / 0.06% / 0.40% / 0.04%	14 / 42 / 7	53	12	43
Windows	1.19 / 0.67 / 0.52 / 0.00 Gbit/s	0.05% / 0.07% / 0.19% / 0.00%	11 / 31 / 0	23	3	27
SunOS	755.79 / 685.93 / 69.85 / 0.00 Mbit/s	0.07% / 0.13% / 0.03% / 0.00%	3 / 5 / 0	4	1	5
ElectroBSD	628.01 / 140.87 / 487.14 / 0.00 Mbit/s	0.07% / 0.03% / 0.59% / 0.00%	1 / 3 / 0	1	1	2
Darwin	257.92 / 48.88 / 209.03 / 0.00 Mbit/s	0.01% / 0.01% / 0.12% / 0.00%	1 / 7 / 0	8	1	8
NetBSD	111.88 / 111.88 / 0.00 / 0.00 Mbit/s	0.01% / 0.01% / 0.00% / 0.00%	3 / 0 / 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	10.46 / 0.00 / 10.46 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 2 / 0	1	1	1