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Operating systems running Tor relays - shows software diversity and potential vulnerability patterns.

• Platforms: 11 operating systems hosting relays currently detected
• Network Relays: Total: 10321
  • Primary Role: Guard: 4348 | Middle: 2859 | Exit: 3114
  • Role Categories: Guard: 4348 | Middle: 2859 | Exit: 952 | Guard+Exit: 2162
  • All Roles: Guard: 6510 | Middle: 2859 | Exit: 3114
  • Bandwidth Measured: 10207 relays, 98.9% of all relays
• Software Diversity: 93.8% Linux | 0.1% Windows | 8.5% BSD variants
• Sorted by: observed bandwidth
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Thu, 29 Jan 2026 05:45:41 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	1343.92 / 747.12 / 144.34 / 452.46 Gbit/s	93.78% / 94.82% / 95.11% / 86.45%	4091 / 2676 / 2838	2953	614	1027
FreeBSD	93.97 / 32.72 / 3.95 / 57.30 Gbit/s	8.27% / 4.93% / 3.04% / 13.50%	227 / 75 / 266	126	42	93
OpenBSD	2.96 / 1.52 / 1.06 / 0.37 Gbit/s	0.12% / 0.12% / 0.38% / 0.04%	17 / 45 / 6	56	13	47
Windows	1.54 / 0.75 / 0.64 / 0.15 Gbit/s	0.06% / 0.06% / 0.20% / 0.01%	10 / 37 / 2	32	4	32
ElectroBSD	886.91 / 0.00 / 886.91 / 0.00 Mbit/s	0.06% / 0.00% / 0.58% / 0.00%	0 / 5 / 0	1	1	3
Darwin	753.53 / 28.06 / 714.10 / 11.38 Mbit/s	0.07% / 0.00% / 0.63% / 0.00%	1 / 6 / 1	7	2	7
SunOS	593.90 / 505.88 / 88.02 / 0.00 Mbit/s	0.04% / 0.07% / 0.03% / 0.00%	2 / 6 / 0	4	2	5
NetBSD	86.39 / 0.00 / 59.03 / 27.36 Mbit/s	0.00% / 0.00% / 0.01% / 0.00%	0 / 4 / 1	4	2	4
kFreeBSD	15.25 / 0.00 / 15.25 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	0	1
DragonFly	13.99 / 0.00 / 13.99 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	1	1
Linux-libre	11.19 / 0.00 / 11.19 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 3 / 0	1	1	2