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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: 10535
  • Primary Role: Guard: 4101 | Middle: 3268 | Exit: 3166
  • Role Categories: Guard: 4101 | Middle: 3268 | Exit: 1970 | Guard+Exit: 1196
  • All Roles: Guard: 5297 | Middle: 3268 | Exit: 3166
  • Bandwidth Measured: 10465 relays, 99.3% of all relays
• Platform Concentration: 88.4% Linux | 15.7% 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: observed bandwidth
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Sat, 25 Jul 2026 11:16:24 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	1304.50 / 777.33 / 183.50 / 343.67 Gbit/s	88.42% / 89.30% / 92.21% / 75.77%	3834 / 3004 / 2677	2877	652	1004	5706 PB	2255 / 275
FreeBSD	150.38 / 52.64 / 10.74 / 87.00 Gbit/s	15.50% / 10.64% / 5.85% / 24.18%	256 / 145 / 485	106	40	87	560 PB	484 / 0
OpenBSD	1.97 / 0.44 / 1.26 / 0.27 Gbit/s	0.08% / 0.02% / 0.36% / 0.05%	6 / 43 / 3	40	8	38	5.3 PB	2 / 0
Windows	1.25 / 0.13 / 1.12 / 0.00 Gbit/s	0.06% / 0.01% / 0.41% / 0.00%	2 / 42 / 0	27	4	26	2.3 PB	—
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	—
Darwin	519.45 / 29.90 / 489.55 / 0.00 Mbit/s	0.06% / 0.00% / 0.44% / 0.00%	1 / 8 / 0	8	2	8	661 TB	—
SunOS	338.20 / 233.67 / 104.53 / 0.00 Mbit/s	0.02% / 0.03% / 0.03% / 0.00%	2 / 6 / 0	4	2	5	3.5 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	—
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	—
DragonFly	23.25 / 0.00 / 23.25 / 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	—