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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: 9917
  • Primary Role: Guard: 3698 | Middle: 2946 | Exit: 3273
  • Role Categories: Guard: 3698 | Middle: 2946 | Exit: 1658 | Guard+Exit: 1615
  • All Roles: Guard: 5313 | Middle: 2946 | Exit: 3273
  • Bandwidth Measured: 9821 relays, 99.0% of all relays
• Platform Concentration: 90.6% 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: consensus weight fraction
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Sun, 20 Sep 2026 09:15:44 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	1179.57 / 624.71 / 205.02 / 349.84 Gbit/s	90.64% / 89.66% / 94.77% / 81.14%	3401 / 2727 / 2786	2607	581	935	5281 PB	2675 / 34
FreeBSD	146.80 / 58.09 / 8.15 / 80.56 Gbit/s	12.29% / 10.29% / 3.29% / 18.80%	283 / 123 / 483	92	35	79	582 PB	481 / 0
ElectroBSD	1.05 / 0.00 / 1.05 / 0.00 Gbit/s	0.13% / 0.00% / 0.81% / 0.00%	0 / 6 / 0	1	1	3	11 PB	—
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	—
OpenBSD	2.17 / 0.43 / 1.45 / 0.29 Gbit/s	0.09% / 0.02% / 0.35% / 0.06%	6 / 41 / 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
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	—
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	—
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-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	—
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	—