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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: 9795
  • Primary Role: Guard: 4166 | Middle: 2640 | Exit: 2989
  • Role Categories: Guard: 4166 | Middle: 2640 | Exit: 1362 | Guard+Exit: 1627
  • All Roles: Guard: 5793 | Middle: 2640 | Exit: 2989
  • Bandwidth Measured: 9670 relays, 98.7% of all relays
• Software Diversity: 89.9% Linux | 0.1% Windows | 9.0% BSD variants
• Sorted by: observed bandwidth
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Wed, 20 Aug 2025 06:31:35 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	1063.25 / 604.98 / 120.21 / 338.06 Gbit/s	89.92% / 95.01% / 85.96% / 83.53%	3950 / 2448 / 2714	2769	598	1009
FreeBSD	90.92 / 29.34 / 5.56 / 56.03 Gbit/s	8.78% / 4.70% / 3.77% / 16.42%	188 / 93 / 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
Windows	1.14 / 0.60 / 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
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
Darwin	403.24 / 48.67 / 354.57 / 0.00 Mbit/s	0.03% / 0.01% / 0.27% / 0.00%	1 / 6 / 0	6	1	7
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
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