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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: 9675
  • Primary Role: Guard: 4188 | Middle: 2588 | Exit: 2899
  • Role Categories: Guard: 4188 | Middle: 2588 | Exit: 967 | Guard+Exit: 1932
  • All Roles: Guard: 6120 | Middle: 2588 | Exit: 2899
  • Bandwidth Measured: 9590 relays, 99.1% of all relays
• Software Diversity: 94.2% Linux | 0.1% Windows | 5.7% BSD variants
• Sorted by: middle observed bandwidth
• Key: BW = Observed Bandwidth, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Fri, 28 Nov 2025 17:03:45 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	1162.68 / 612.44 / 130.43 / 419.81 Gbit/s	94.18% / 95.50% / 96.12% / 91.97%	3953 / 2408 / 2626	2915	620	1011
FreeBSD	72.54 / 26.14 / 4.77 / 41.62 Gbit/s	5.57% / 4.23% / 2.94% / 7.99%	196 / 95 / 267	138	44	97
OpenBSD	2.43 / 1.25 / 0.84 / 0.34 Gbit/s	0.09% / 0.08% / 0.30% / 0.04%	19 / 37 / 5	51	12	41
Windows	1.33 / 0.73 / 0.60 / 0.00 Gbit/s	0.05% / 0.06% / 0.19% / 0.00%	13 / 34 / 0	30	3	31
ElectroBSD	484.41 / 140.84 / 343.57 / 0.00 Mbit/s	0.04% / 0.03% / 0.27% / 0.00%	1 / 3 / 0	1	1	2
Darwin	277.08 / 27.80 / 236.83 / 12.44 Mbit/s	0.02% / 0.00% / 0.16% / 0.00%	1 / 4 / 1	6	1	6
SunOS	587.22 / 527.30 / 59.92 / 0.00 Mbit/s	0.05% / 0.09% / 0.02% / 0.00%	3 / 4 / 0	4	1	5
kFreeBSD	15.50 / 0.00 / 15.50 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	0	1
Linux-libre	48.06 / 39.02 / 9.04 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	1 / 2 / 0	1	1	2
NetBSD	29.51 / 29.51 / 0.00 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	1 / 0 / 0	1	0	1