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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: 9536
  • Primary Role: Guard: 4187 | Middle: 2475 | Exit: 2874
  • Role Categories: Guard: 4187 | Middle: 2475 | Exit: 958 | Guard+Exit: 1916
  • All Roles: Guard: 6103 | Middle: 2475 | Exit: 2874
  • Bandwidth Measured: 9477 relays, 99.4% of all relays
• Software Diversity: 93.2% Linux | 0.1% Windows | 6.7% BSD variants
• Sorted by: observed bandwidth
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Fri, 24 Oct 2025 06:02:06 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	1153.34 / 639.71 / 107.27 / 406.36 Gbit/s	93.17% / 95.11% / 93.94% / 90.46%	3978 / 2286 / 2602	2832	606	1001
FreeBSD	80.38 / 29.52 / 5.16 / 45.70 Gbit/s	6.54% / 4.61% / 4.54% / 9.50%	176 / 96 / 265	140	43	97
OpenBSD	2.28 / 0.96 / 0.95 / 0.37 Gbit/s	0.09% / 0.07% / 0.39% / 0.04%	15 / 43 / 6	53	12	43
Windows	1.39 / 0.59 / 0.80 / 0.00 Gbit/s	0.06% / 0.04% / 0.43% / 0.00%	10 / 36 / 1	27	3	32
SunOS	825.25 / 755.80 / 69.45 / 0.00 Mbit/s	0.07% / 0.13% / 0.03% / 0.00%	3 / 5 / 0	4	1	5
ElectroBSD	537.15 / 141.20 / 395.95 / 0.00 Mbit/s	0.05% / 0.03% / 0.42% / 0.00%	1 / 3 / 0	1	1	2
Darwin	322.42 / 112.34 / 210.08 / 0.00 Mbit/s	0.03% / 0.01% / 0.24% / 0.00%	3 / 3 / 0	6	1	6
NetBSD	33.75 / 33.75 / 0.00 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	1 / 0 / 0	1	0	1
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% / 0.01% / 0.00%	0 / 1 / 0	1	0	1