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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: 9567
  • Primary Role: Guard: 4040 | Middle: 2628 | Exit: 2899
  • Role Categories: Guard: 4040 | Middle: 2628 | Exit: 1130 | Guard+Exit: 1769
  • All Roles: Guard: 5809 | Middle: 2628 | Exit: 2899
  • Bandwidth Measured: 9499 relays, 99.3% of all relays
• Software Diversity: 91.2% Linux | 0.1% Windows | 8.7% BSD variants
• Sorted by: middle observed bandwidth
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Wed, 10 Sep 2025 00:31:43 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	1054.53 / 574.97 / 118.11 / 361.45 Gbit/s	91.17% / 94.92% / 95.27% / 85.21%	3829 / 2438 / 2624	2816	600	1017
FreeBSD	88.22 / 27.71 / 4.78 / 55.73 Gbit/s	8.52% / 4.76% / 3.42% / 14.75%	179 / 97 / 268	129	42	89
OpenBSD	2.02 / 0.79 / 0.90 / 0.33 Gbit/s	0.10% / 0.07% / 0.43% / 0.04%	14 / 42 / 7	53	12	43
Windows	1.18 / 0.66 / 0.52 / 0.00 Gbit/s	0.06% / 0.07% / 0.23% / 0.00%	11 / 32 / 0	24	3	27
ElectroBSD	628.08 / 140.95 / 487.14 / 0.00 Mbit/s	0.06% / 0.03% / 0.48% / 0.00%	1 / 3 / 0	1	1	2
Darwin	276.75 / 48.98 / 227.77 / 0.00 Mbit/s	0.02% / 0.01% / 0.13% / 0.00%	1 / 7 / 0	8	1	8
SunOS	757.67 / 687.82 / 69.85 / 0.00 Mbit/s	0.07% / 0.14% / 0.04% / 0.00%	3 / 5 / 0	4	1	5
NetBSD	111.87 / 94.90 / 16.96 / 0.00 Mbit/s	0.01% / 0.01% / 0.01% / 0.00%	2 / 1 / 0	2	1	3
kFreeBSD	16.67 / 0.00 / 16.67 / 0.00 Mbit/s	0.00% / 0.00% / 0.01% / 0.00%	0 / 1 / 0	1	0	1
Linux-libre	10.27 / 0.00 / 10.27 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 2 / 0	1	1	1