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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: 10453
  • Primary Role: Guard: 4238 | Middle: 3320 | Exit: 2895
  • Role Categories: Guard: 4238 | Middle: 3320 | Exit: 1704 | Guard+Exit: 1191
  • All Roles: Guard: 5429 | Middle: 3320 | Exit: 2895
  • Bandwidth Measured: 10240 relays, 98.0% of all relays
• Software Diversity: 90.8% Linux | 0.1% Windows | 12.3% BSD variants
• Exit DNS Health: 2,551 healthy / 30 unhealthy (98.8% success rate, 2,581 of 2,628 exits tested)
• Sorted by: exit observed bandwidth
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Fri, 03 Jul 2026 03:11:23 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	1271.69 / 795.59 / 164.28 / 311.82 Gbit/s	90.85% / 92.06% / 95.56% / 77.59%	3936 / 3098 / 2298	2922	626	1007	5685 PB	2113 / 48
FreeBSD	144.46 / 54.21 / 5.75 / 84.50 Gbit/s	12.19% / 7.85% / 2.89% / 22.37%	284 / 119 / 490	112	40	90	565 PB	436 / 0
OpenBSD	2.02 / 0.60 / 1.27 / 0.16 Gbit/s	0.08% / 0.03% / 0.43% / 0.02%	8 / 47 / 3	44	11	43	5.9 PB	2 / 1
Windows	1.29 / 0.45 / 0.70 / 0.13 Gbit/s	0.06% / 0.03% / 0.32% / 0.02%	7 / 31 / 2	24	4	22	2.7 PB	0 / 1
ElectroBSD	896.21 / 0.00 / 896.21 / 0.00 Mbit/s	0.07% / 0.00% / 0.59% / 0.00%	0 / 6 / 0	1	1	3	10 PB	—
Darwin	249.11 / 27.93 / 221.18 / 0.00 Mbit/s	0.02% / 0.00% / 0.14% / 0.00%	1 / 5 / 0	6	1	6	638 TB	—
SunOS	301.42 / 185.68 / 115.74 / 0.00 Mbit/s	0.02% / 0.02% / 0.04% / 0.00%	2 / 6 / 0	4	2	5	3.4 PB	—
NetBSD	94.44 / 0.00 / 94.44 / 0.00 Mbit/s	0.00% / 0.00% / 0.03% / 0.00%	0 / 4 / 0	3	2	3	272 TB	—
DragonFly	12.88 / 0.00 / 12.88 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	1	1	5.0 TB	—
Linux-libre	19.58 / 0.00 / 19.58 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 2 / 0	1	1	1	33 TB	—
kFreeBSD	10.78 / 0.00 / 10.78 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	0	1	127 TB	—