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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: 10352
  • Primary Role: Guard: 4474 | Middle: 2851 | Exit: 3027
  • Role Categories: Guard: 4474 | Middle: 2851 | Exit: 1173 | Guard+Exit: 1854
  • All Roles: Guard: 6328 | Middle: 2851 | Exit: 3027
  • Bandwidth Measured: 10181 relays, 98.3% of all relays
• Software Diversity: 95.1% Linux | 0.1% Windows | 10.5% BSD variants
• Exit DNS Health: 2,655 healthy / 22 unhealthy (99.2% success rate, 2,677 of 2,705 exits tested)
• Sorted by: consensus weight fraction
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Wed, 18 Mar 2026 19:15:37 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	1184.52 / 646.34 / 137.10 / 401.08 Gbit/s	95.07% / 91.02% / 82.97% / 90.52%	4176 / 2594 / 2785	2904	560	1037	5441 PB	2445 / 32
FreeBSD	91.20 / 44.07 / 15.80 / 31.33 Gbit/s	10.35% / 8.81% / 15.53% / 9.45%	274 / 148 / 236	120	45	90	521 PB	206 / 1
ElectroBSD	1.11 / 0.00 / 1.11 / 0.00 Gbit/s	0.10% / 0.00% / 0.77% / 0.00%	0 / 6 / 0	1	1	3	9.9 PB	—
OpenBSD	2.19 / 0.98 / 1.07 / 0.13 Gbit/s	0.08% / 0.07% / 0.31% / 0.02%	13 / 47 / 2	51	11	44	5.8 PB	2 / 0
Windows	1.25 / 0.41 / 0.68 / 0.16 Gbit/s	0.05% / 0.03% / 0.25% / 0.01%	7 / 34 / 3	27	4	30	2.7 PB	1 / 0
SunOS	544.28 / 456.41 / 87.87 / 0.00 Mbit/s	0.04% / 0.07% / 0.02% / 0.00%	2 / 6 / 0	4	2	5	8.0 PB	—
Darwin	226.92 / 50.16 / 176.75 / 0.00 Mbit/s	0.02% / 0.00% / 0.13% / 0.00%	2 / 6 / 0	8	2	8	512 TB	—
NetBSD	121.50 / 0.00 / 92.54 / 28.95 Mbit/s	0.00% / 0.00% / 0.02% / 0.00%	0 / 5 / 1	5	2	5	263 TB	1 / 0
kFreeBSD	14.56 / 0.00 / 14.56 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	0	1	135 TB	—
DragonFly	13.12 / 0.00 / 13.12 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	1	1	2.1 TB	—
Linux-libre	18.82 / 0.00 / 18.82 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 3 / 0	1	1	2	30 TB	—