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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: 10561
  • Primary Role: Guard: 4081 | Middle: 3313 | Exit: 3167
  • Role Categories: Guard: 4081 | Middle: 3313 | Exit: 1989 | Guard+Exit: 1178
  • All Roles: Guard: 5259 | Middle: 3313 | Exit: 3167
  • Bandwidth Measured: 10461 relays, 99.1% of all relays
• Platform Concentration: 87.7% Linux | 15.5% BSD variants | 0.1% Windows
• Exit DNS Health: 2,741 healthy / 35 unhealthy (98.7% success rate, 2,776 of 3,039 exits tested)
• Sorted by: unique contact count
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Sat, 25 Jul 2026 07:49:20 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	1278.17 / 755.93 / 182.80 / 339.44 Gbit/s	87.74% / 89.49% / 91.64% / 75.76%	3816 / 3049 / 2678	2874	702	1005	5706 PB	2255 / 275
FreeBSD	149.08 / 51.97 / 11.14 / 85.98 Gbit/s	15.35% / 10.45% / 6.44% / 24.19%	254 / 147 / 485	106	40	87	560 PB	484 / 0
OpenBSD	1.93 / 0.44 / 1.22 / 0.27 Gbit/s	0.08% / 0.02% / 0.35% / 0.05%	6 / 43 / 3	40	8	38	5.3 PB	2 / 0
Windows	1.27 / 0.13 / 1.15 / 0.00 Gbit/s	0.06% / 0.01% / 0.41% / 0.00%	2 / 42 / 0	27	4	26	2.3 PB	—
Darwin	547.67 / 29.90 / 517.77 / 0.00 Mbit/s	0.06% / 0.00% / 0.44% / 0.00%	1 / 8 / 0	8	2	8	661 TB	—
SunOS	336.75 / 233.67 / 103.08 / 0.00 Mbit/s	0.02% / 0.03% / 0.03% / 0.00%	2 / 6 / 0	4	2	5	3.5 PB	—
NetBSD	52.06 / 0.00 / 52.06 / 0.00 Mbit/s	0.00% / 0.00% / 0.02% / 0.00%	0 / 2 / 0	2	1	2	269 TB	—
ElectroBSD	1.09 / 0.00 / 1.09 / 0.00 Gbit/s	0.09% / 0.00% / 0.67% / 0.00%	0 / 6 / 0	1	1	3	11 PB	—
Linux-libre	71.50 / 0.00 / 71.50 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 2 / 0	1	1	1	33 TB	—
DragonFly	47.08 / 0.00 / 47.08 / 0.00 Mbit/s	0.00% / 0.00% / 0.01% / 0.00%	0 / 2 / 0	1	1	2	5.4 TB	—
kFreeBSD	19.43 / 0.00 / 19.43 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	0	1	125 TB	—