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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: 10381
  • Primary Role: Guard: 4534 | Middle: 2815 | Exit: 3032
  • Role Categories: Guard: 4534 | Middle: 2815 | Exit: 1252 | Guard+Exit: 1780
  • All Roles: Guard: 6314 | Middle: 2815 | Exit: 3032
  • Bandwidth Measured: 10271 relays, 98.9% of all relays
• Software Diversity: 93.8% Linux | 0.1% Windows | 9.6% BSD variants
• Exit DNS Health: 2,765 healthy / 22 unhealthy (99.2% success rate, 2,787 of 2,805 exits tested)
• Sorted by: middle count
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Sun, 29 Mar 2026 10:46:38 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	1183.82 / 651.47 / 141.28 / 391.07 Gbit/s	93.76% / 91.48% / 91.56% / 88.75%	4191 / 2606 / 2794	2882	560	1037	5480 PB	2531 / 25
FreeBSD	96.00 / 49.98 / 8.06 / 37.97 Gbit/s	9.44% / 8.30% / 6.70% / 11.22%	317 / 103 / 234	121	45	95	524 PB	232 / 0
OpenBSD	2.29 / 1.07 / 1.08 / 0.13 Gbit/s	0.09% / 0.08% / 0.36% / 0.02%	13 / 47 / 2	50	11	42	4.8 PB	1 / 0
Windows	1.31 / 0.72 / 0.54 / 0.05 Gbit/s	0.06% / 0.07% / 0.16% / 0.00%	10 / 32 / 1	28	4	29	2.7 PB	—
SunOS	547.72 / 461.63 / 86.09 / 0.00 Mbit/s	0.04% / 0.07% / 0.03% / 0.00%	2 / 6 / 0	4	2	5	8.0 PB	—
ElectroBSD	1.14 / 0.00 / 1.14 / 0.00 Gbit/s	0.10% / 0.00% / 0.87% / 0.00%	0 / 6 / 0	1	1	3	10 PB	—
Darwin	439.34 / 28.20 / 411.14 / 0.00 Mbit/s	0.04% / 0.00% / 0.30% / 0.00%	1 / 5 / 0	6	2	6	535 TB	—
NetBSD	100.89 / 0.00 / 64.16 / 36.73 Mbit/s	0.00% / 0.00% / 0.02% / 0.00%	0 / 5 / 1	5	2	5	263 TB	1 / 0
Linux-libre	18.50 / 0.00 / 18.50 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 3 / 0	1	1	2	30 TB	—
DragonFly	20.35 / 0.00 / 20.35 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	1	1	2.5 TB	—
kFreeBSD	14.46 / 0.00 / 14.46 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	0	1	134 TB	—