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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: 9561
  • Primary Role: Guard: 4134 | Middle: 2544 | Exit: 2883
  • Role Categories: Guard: 4134 | Middle: 2544 | Exit: 962 | Guard+Exit: 1921
  • All Roles: Guard: 6055 | Middle: 2544 | Exit: 2883
  • Bandwidth Measured: 9491 relays, 99.3% of all relays
• Software Diversity: 93.4% Linux | 0.1% Windows | 6.5% BSD variants
• Sorted by: middle observed bandwidth
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Wed, 22 Oct 2025 18:02:56 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	1138.54 / 626.45 / 116.05 / 396.04 Gbit/s	93.39% / 95.07% / 94.66% / 90.81%	3924 / 2359 / 2610	2843	605	1006
FreeBSD	77.06 / 28.61 / 5.07 / 43.38 Gbit/s	6.32% / 4.62% / 4.12% / 9.14%	178 / 92 / 266	140	44	96
OpenBSD	2.16 / 0.91 / 0.89 / 0.36 Gbit/s	0.09% / 0.07% / 0.35% / 0.04%	14 / 44 / 6	53	12	43
Windows	1.33 / 0.75 / 0.58 / 0.00 Gbit/s	0.06% / 0.07% / 0.22% / 0.00%	10 / 35 / 1	27	3	32
ElectroBSD	535.73 / 141.20 / 394.53 / 0.00 Mbit/s	0.05% / 0.03% / 0.38% / 0.00%	1 / 3 / 0	1	1	2
Darwin	322.42 / 112.34 / 210.08 / 0.00 Mbit/s	0.03% / 0.01% / 0.23% / 0.00%	3 / 3 / 0	6	1	6
SunOS	830.57 / 761.10 / 69.48 / 0.00 Mbit/s	0.07% / 0.13% / 0.03% / 0.00%	3 / 5 / 0	4	1	5
Linux-libre	19.73 / 0.00 / 19.73 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 2 / 0	1	1	1
kFreeBSD	15.26 / 0.00 / 15.26 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	0	1
NetBSD	32.69 / 32.69 / 0.00 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	1 / 0 / 0	1	0	1