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

• Platforms: 11 operating systems hosting relays currently detected
• Network Relays: Total: 9926
  • Primary Role: Guard: 3705 | Middle: 2939 | Exit: 3282
  • Role Categories: Guard: 3705 | Middle: 2939 | Exit: 1666 | Guard+Exit: 1616
  • All Roles: Guard: 5321 | Middle: 2939 | Exit: 3282
  • Bandwidth Measured: 9822 relays, 99.0% of all relays
• Platform Concentration: 90.5% Linux | 12.5% BSD variants | 0.0% Windows
• Exit DNS Health: 3,158 healthy / 15 unhealthy (99.5% success rate, 3,173 of 3,221 exits tested)
• Sorted by: guard consensus weight fraction
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Sun, 20 Sep 2026 12:46:39 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	Total Data	DNS Health
Linux	1179.08 / 624.40 / 204.86 / 349.83 Gbit/s	90.48% / 89.59% / 95.07% / 81.12%	3404 / 2723 / 2786	2606	590	936	5281 PB	2675 / 34
FreeBSD	146.88 / 58.71 / 7.61 / 80.56 Gbit/s	12.26% / 10.36% / 3.00% / 18.83%	286 / 120 / 483	92	35	79	582 PB	481 / 0
OpenBSD	2.17 / 0.47 / 1.41 / 0.29 Gbit/s	0.08% / 0.02% / 0.34% / 0.06%	7 / 40 / 3	41	9	37	5.3 PB	2 / 0
Windows	714.86 / 243.80 / 464.72 / 6.34 Mbit/s	0.03% / 0.01% / 0.11% / 0.00%	4 / 26 / 1	19	3	18	2.3 PB	0 / 1
Darwin	1.15 / 0.06 / 1.08 / 0.00 Gbit/s	0.09% / 0.01% / 0.51% / 0.00%	1 / 7 / 0	8	1	7	27 TB	—
NetBSD	95.99 / 66.74 / 29.26 / 0.00 Mbit/s	0.00% / 0.01% / 0.00% / 0.00%	2 / 2 / 0	3	2	4	736 TB	—
SunOS	403.97 / 28.79 / 375.19 / 0.00 Mbit/s	0.02% / 0.00% / 0.15% / 0.00%	1 / 8 / 0	5	2	6	3.5 PB	—
ElectroBSD	1.05 / 0.00 / 1.05 / 0.00 Gbit/s	0.13% / 0.00% / 0.82% / 0.00%	0 / 6 / 0	1	1	3	11 PB	—
Linux-libre	90.67 / 0.00 / 90.67 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 2 / 0	1	1	2	17 TB	—
DragonFly	43.68 / 0.00 / 43.68 / 0.00 Mbit/s	0.00% / 0.00% / 0.01% / 0.00%	0 / 2 / 0	1	1	2	7.5 TB	—
linux	13.85 / 0.00 / 13.85 / 0.00 Kbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	0	1	N/A	—