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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: 10740
  • Primary Role: Guard: 4189 | Middle: 3291 | Exit: 3260
  • Role Categories: Guard: 4189 | Middle: 3291 | Exit: 2095 | Guard+Exit: 1165
  • All Roles: Guard: 5354 | Middle: 3291 | Exit: 3260
  • Bandwidth Measured: 10625 relays, 98.9% of all relays
• Platform Concentration: 86.9% Linux | 15.5% BSD variants | 0.1% Windows
• Exit DNS Health: 3,101 healthy / 21 unhealthy (99.3% success rate, 3,122 of 3,138 exits tested)
• Sorted by: observed bandwidth
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Thu, 06 Aug 2026 06:45:41 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	1281.66 / 740.26 / 185.36 / 356.04 Gbit/s	86.89% / 89.04% / 95.38% / 75.16%	3924 / 3052 / 2774	2922	647	995	5737 PB	2618 / 24
FreeBSD	164.41 / 56.63 / 7.44 / 100.34 Gbit/s	15.31% / 10.90% / 3.27% / 24.79%	255 / 133 / 483	95	36	84	559 PB	481 / 0
OpenBSD	2.17 / 0.41 / 1.52 / 0.25 Gbit/s	0.07% / 0.02% / 0.33% / 0.05%	5 / 45 / 2	40	9	37	5.3 PB	2 / 0
Windows	1.25 / 0.27 / 0.98 / 0.00 Gbit/s	0.06% / 0.02% / 0.40% / 0.00%	3 / 32 / 1	23	3	24	2.2 PB	—
ElectroBSD	937.04 / 0.00 / 937.04 / 0.00 Mbit/s	0.07% / 0.00% / 0.52% / 0.00%	0 / 6 / 0	1	1	3	11 PB	—
SunOS	325.32 / 228.15 / 97.17 / 0.00 Mbit/s	0.02% / 0.03% / 0.02% / 0.00%	2 / 6 / 0	4	2	5	3.5 PB	—
Darwin	225.16 / 0.00 / 225.16 / 0.00 Mbit/s	0.01% / 0.00% / 0.06% / 0.00%	0 / 8 / 0	7	1	7	92 TB	—
NetBSD	61.92 / 0.00 / 61.92 / 0.00 Mbit/s	0.00% / 0.00% / 0.02% / 0.00%	0 / 2 / 0	2	1	2	272 TB	—
DragonFly	42.18 / 0.00 / 42.18 / 0.00 Mbit/s	0.00% / 0.00% / 0.01% / 0.00%	0 / 2 / 0	1	1	2	5.6 TB	—
Linux-libre	39.37 / 0.00 / 39.37 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 2 / 0	1	1	1	35 TB	—
kFreeBSD	14.39 / 0.00 / 14.39 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	0	1	123 TB	—