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Operating systems running Tor relays - shows software diversity and potential vulnerability patterns.

• Platforms: 10 operating systems hosting relays currently detected
• Network Relays: Total: 9843
  • Primary Role: Guard: 4171 | Middle: 2635 | Exit: 3037
  • Role Categories: Guard: 4171 | Middle: 2635 | Exit: 1410 | Guard+Exit: 1627
  • All Roles: Guard: 5798 | Middle: 2635 | Exit: 3037
  • Bandwidth Measured: 9699 relays, 98.5% of all relays
• Software Diversity: 89.9% Linux | 0.1% Windows | 9.0% BSD variants
• Sorted by: guard consensus weight fraction
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Wed, 20 Aug 2025 12:31:36 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
Linux	1063.73 / 604.83 / 121.03 / 337.87 Gbit/s	89.92% / 94.96% / 86.13% / 83.56%	3954 / 2444 / 2762	2769	598	1007
FreeBSD	90.74 / 29.56 / 5.15 / 56.03 Gbit/s	8.78% / 4.75% / 3.61% / 16.39%	189 / 92 / 268	136	44	91
OpenBSD	2.15 / 0.85 / 0.93 / 0.37 Gbit/s	0.11% / 0.09% / 0.36% / 0.05%	13 / 44 / 7	53	11	43
SunOS	550.64 / 483.34 / 67.29 / 0.00 Mbit/s	0.05% / 0.08% / 0.03% / 0.00%	2 / 5 / 0	3	1	4
Windows	1.13 / 0.59 / 0.54 / 0.00 Gbit/s	0.05% / 0.06% / 0.19% / 0.00%	8 / 31 / 0	20	2	26
ElectroBSD	656.40 / 141.09 / 515.31 / 0.00 Mbit/s	0.07% / 0.03% / 0.52% / 0.00%	1 / 3 / 0	1	1	2
NetBSD	188.33 / 188.33 / 0.00 / 0.00 Mbit/s	0.01% / 0.02% / 0.00% / 0.00%	3 / 0 / 0	2	1	3
Darwin	407.30 / 48.67 / 358.62 / 0.00 Mbit/s	0.03% / 0.01% / 0.27% / 0.00%	1 / 6 / 0	6	1	7
kFreeBSD	16.55 / 0.00 / 16.55 / 0.00 Mbit/s	0.00% / 0.00% / 0.01% / 0.00%	0 / 1 / 0	1	0	1
Linux-libre	15.67 / 0.00 / 15.67 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 2 / 0	1	1	1