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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: 10279
  • Primary Role: Guard: 4337 | Middle: 2880 | Exit: 3062
  • Role Categories: Guard: 4337 | Middle: 2880 | Exit: 950 | Guard+Exit: 2112
  • All Roles: Guard: 6449 | Middle: 2880 | Exit: 3062
  • Bandwidth Measured: 10215 relays, 99.4% of all relays
• Software Diversity: 91.9% Linux | 0.1% Windows | 8.0% BSD variants
• Sorted by: middle consensus weight fraction
• Key: BW = Observed Bandwidth, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Sat, 17 Jan 2026 21:05:08 GMT. Refreshed every 30 minutes from the Tor directory authorities via Tor Project's onionoo API.

Platform	Overall / Guard / Middle / Exit BW	Overall / Guard / Middle / Exit CW	Guard / Middle / Exit	Unique AROI / Contact	Unique Families	Unique AS
Linux	1338.21 / 762.86 / 141.48 / 433.86 Gbit/s	91.87% / 95.22% / 95.19% / 86.45%	4084 / 2690 / 2786	3002	636	1018
FreeBSD	91.81 / 31.47 / 4.29 / 56.05 Gbit/s	7.80% / 4.51% / 2.96% / 13.49%	223 / 80 / 266	130	43	95
ElectroBSD	967.38 / 0.00 / 967.38 / 0.00 Mbit/s	0.08% / 0.00% / 0.82% / 0.00%	0 / 5 / 0	1	1	3
OpenBSD	2.83 / 1.43 / 1.04 / 0.36 Gbit/s	0.12% / 0.11% / 0.41% / 0.05%	16 / 46 / 6	55	13	45
Darwin	436.37 / 28.04 / 394.05 / 14.28 Mbit/s	0.04% / 0.00% / 0.35% / 0.00%	1 / 4 / 1	6	2	6
Windows	1.36 / 0.65 / 0.62 / 0.09 Gbit/s	0.05% / 0.06% / 0.21% / 0.01%	10 / 39 / 2	33	4	35
SunOS	736.67 / 658.04 / 78.63 / 0.00 Mbit/s	0.05% / 0.09% / 0.03% / 0.00%	3 / 6 / 0	5	2	6
NetBSD	106.64 / 0.00 / 72.90 / 33.74 Mbit/s	0.00% / 0.00% / 0.02% / 0.00%	0 / 6 / 1	5	2	5
DragonFly	18.54 / 0.00 / 18.54 / 0.00 Mbit/s	0.00% / 0.00% / 0.01% / 0.00%	0 / 1 / 0	1	1	1
kFreeBSD	15.55 / 0.00 / 15.55 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	0	1
Linux-libre	9.95 / 0.00 / 9.95 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 2 / 0	1	1	2