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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: 10350
  • Primary Role: Guard: 4342 | Middle: 2878 | Exit: 3130
  • Role Categories: Guard: 4342 | Middle: 2878 | Exit: 962 | Guard+Exit: 2168
  • All Roles: Guard: 6510 | Middle: 2878 | Exit: 3130
  • Bandwidth Measured: 10223 relays, 98.8% of all relays
• Software Diversity: 94.1% 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 16:15:44 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	1346.09 / 748.56 / 143.93 / 453.60 Gbit/s	94.12% / 94.82% / 94.93% / 86.40%	4086 / 2694 / 2854	2960	615	1027
FreeBSD	94.47 / 32.95 / 4.09 / 57.43 Gbit/s	8.34% / 4.95% / 3.08% / 13.54%	227 / 76 / 266	127	42	93
OpenBSD	2.78 / 1.34 / 1.07 / 0.37 Gbit/s	0.11% / 0.09% / 0.40% / 0.04%	16 / 45 / 6	56	13	46
Windows	1.54 / 0.75 / 0.64 / 0.16 Gbit/s	0.06% / 0.06% / 0.21% / 0.01%	10 / 37 / 2	32	4	32
ElectroBSD	886.91 / 0.00 / 886.91 / 0.00 Mbit/s	0.06% / 0.00% / 0.60% / 0.00%	0 / 5 / 0	1	1	3
Darwin	753.53 / 28.06 / 714.10 / 11.38 Mbit/s	0.08% / 0.00% / 0.73% / 0.00%	1 / 6 / 1	7	2	7
SunOS	594.20 / 505.88 / 88.32 / 0.00 Mbit/s	0.04% / 0.07% / 0.03% / 0.00%	2 / 6 / 0	4	2	5
NetBSD	94.25 / 0.00 / 67.97 / 26.28 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	12.58 / 0.00 / 12.58 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 3 / 0	1	1	2