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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: 10344
  • Primary Role: Guard: 4724 | Middle: 2774 | Exit: 2846
  • Role Categories: Guard: 4724 | Middle: 2774 | Exit: 1461 | Guard+Exit: 1385
  • All Roles: Guard: 6109 | Middle: 2774 | Exit: 2846
  • Bandwidth Measured: 10268 relays, 99.3% of all relays
• Software Diversity: 89.5% Linux | 0.1% Windows | 13.5% BSD variants
• Exit DNS Health: 2,694 healthy / 19 unhealthy (99.3% success rate, 2,713 of 2,736 exits tested)
• Sorted by: middle count
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Wed, 27 May 2026 07:15:38 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	Total Data	DNS Health
Linux	1190.54 / 715.30 / 125.31 / 349.93 Gbit/s	89.54% / 91.61% / 96.86% / 76.88%	4380 / 2584 / 2349	2920	634	1012	5479 PB	2199 / 28
FreeBSD	161.18 / 57.10 / 2.31 / 101.76 Gbit/s	13.36% / 8.30% / 1.09% / 23.06%	325 / 84 / 491	117	39	92	547 PB	489 / 1
OpenBSD	2.11 / 1.05 / 0.93 / 0.14 Gbit/s	0.07% / 0.06% / 0.37% / 0.02%	12 / 44 / 2	43	10	40	4.7 PB	2 / 0
Windows	1.08 / 0.18 / 0.67 / 0.23 Gbit/s	0.05% / 0.01% / 0.32% / 0.04%	5 / 37 / 3	26	5	26	2.7 PB	2 / 1
ElectroBSD	1.15 / 0.00 / 1.15 / 0.00 Gbit/s	0.09% / 0.00% / 1.06% / 0.00%	0 / 6 / 0	1	1	3	10 PB	—
SunOS	235.38 / 155.05 / 80.33 / 0.00 Mbit/s	0.02% / 0.02% / 0.04% / 0.00%	1 / 6 / 0	3	2	4	3.4 PB	—
Darwin	215.03 / 28.16 / 186.86 / 0.00 Mbit/s	0.02% / 0.00% / 0.24% / 0.00%	1 / 4 / 0	5	1	5	609 TB	—
NetBSD	100.35 / 0.00 / 72.60 / 27.74 Mbit/s	0.00% / 0.00% / 0.03% / 0.00%	0 / 4 / 1	4	2	4	268 TB	1 / 0
Linux-libre	21.80 / 0.00 / 21.80 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 2 / 0	1	1	1	31 TB	—
kFreeBSD	12.61 / 0.00 / 12.61 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	0	1	129 TB	—
DragonFly	12.31 / 0.00 / 12.31 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	1	1	4.4 TB	—