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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: 10383
  • Primary Role: Guard: 4537 | Middle: 2814 | Exit: 3032
  • Role Categories: Guard: 4537 | Middle: 2814 | Exit: 1247 | Guard+Exit: 1785
  • All Roles: Guard: 6322 | Middle: 2814 | Exit: 3032
  • Bandwidth Measured: 10268 relays, 98.9% of all relays
• Software Diversity: 92.3% Linux | 0.1% Windows | 10.8% BSD variants
• Exit DNS Health: 2,765 healthy / 22 unhealthy (99.2% success rate, 2,787 of 2,805 exits tested)
• Sorted by: unique family count
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Sun, 29 Mar 2026 12:45:53 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	Total Data	DNS Health
Linux	1184.25 / 651.87 / 141.15 / 391.23 Gbit/s	92.32% / 89.61% / 91.46% / 88.51%	4194 / 2605 / 2794	2883	561	1036	5480 PB	2531 / 25
FreeBSD	95.88 / 49.85 / 8.06 / 37.97 Gbit/s	10.56% / 10.19% / 6.80% / 11.46%	317 / 103 / 234	121	45	95	524 PB	232 / 0
OpenBSD	2.30 / 1.08 / 1.08 / 0.13 Gbit/s	0.09% / 0.07% / 0.33% / 0.02%	13 / 47 / 2	50	11	42	4.8 PB	1 / 0
Windows	1.31 / 0.72 / 0.54 / 0.05 Gbit/s	0.05% / 0.06% / 0.17% / 0.00%	10 / 32 / 1	28	4	29	2.7 PB	—
SunOS	547.72 / 461.63 / 86.09 / 0.00 Mbit/s	0.04% / 0.07% / 0.03% / 0.00%	2 / 6 / 0	4	2	5	8.0 PB	—
Darwin	439.34 / 28.20 / 411.14 / 0.00 Mbit/s	0.04% / 0.00% / 0.33% / 0.00%	1 / 5 / 0	6	2	6	535 TB	—
NetBSD	100.89 / 0.00 / 64.16 / 36.73 Mbit/s	0.00% / 0.00% / 0.02% / 0.00%	0 / 5 / 1	5	2	5	263 TB	1 / 0
ElectroBSD	1.14 / 0.00 / 1.14 / 0.00 Gbit/s	0.10% / 0.00% / 0.86% / 0.00%	0 / 6 / 0	1	1	3	10 PB	—
DragonFly	20.35 / 0.00 / 20.35 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	1	1	2.5 TB	—
Linux-libre	18.50 / 0.00 / 18.50 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 3 / 0	1	1	2	30 TB	—
kFreeBSD	14.46 / 0.00 / 14.46 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	0	1	134 TB	—