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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: 10745
  • Primary Role: Guard: 4620 | Middle: 2813 | Exit: 3312
  • Role Categories: Guard: 4620 | Middle: 2813 | Exit: 1385 | Guard+Exit: 1927
  • All Roles: Guard: 6547 | Middle: 2813 | Exit: 3312
  • Bandwidth Measured: 10644 relays, 99.1% of all relays
• Software Diversity: 89.3% Linux | 0.1% Windows | 12.9% BSD variants
• Exit DNS Health: 3,188 healthy / 22 unhealthy (99.3% success rate, 3,210 of 3,226 exits tested)
• Sorted by: observed bandwidth
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Tue, 21 Apr 2026 01:16:49 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	1218.29 / 685.76 / 132.34 / 400.18 Gbit/s	89.30% / 92.38% / 86.59% / 80.36%	4299 / 2602 / 2816	2934	633	1034	5531 PB	2694 / 26
FreeBSD	144.61 / 47.22 / 12.62 / 84.78 Gbit/s	12.74% / 7.49% / 11.47% / 19.58%	298 / 106 / 490	118	41	92	522 PB	490 / 0
OpenBSD	2.42 / 1.27 / 1.02 / 0.13 Gbit/s	0.09% / 0.08% / 0.43% / 0.02%	15 / 44 / 2	47	11	43	4.9 PB	2 / 0
Windows	1.20 / 0.22 / 0.79 / 0.19 Gbit/s	0.06% / 0.02% / 0.35% / 0.03%	4 / 32 / 1	22	4	24	1.9 PB	1 / 0
ElectroBSD	1.04 / 0.00 / 1.04 / 0.00 Gbit/s	0.08% / 0.00% / 0.77% / 0.00%	0 / 6 / 0	1	1	3	10 PB	—
Darwin	568.74 / 105.42 / 463.32 / 0.00 Mbit/s	0.04% / 0.01% / 0.34% / 0.00%	3 / 4 / 0	7	2	7	577 TB	—
SunOS	247.12 / 164.67 / 82.45 / 0.00 Mbit/s	0.02% / 0.02% / 0.03% / 0.00%	1 / 6 / 0	3	2	4	3.3 PB	—
NetBSD	100.19 / 0.00 / 63.13 / 37.06 Mbit/s	0.00% / 0.00% / 0.02% / 0.00%	0 / 3 / 1	4	1	4	261 TB	1 / 0
Linux-libre	21.42 / 0.00 / 21.42 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 3 / 0	1	1	2	31 TB	—
DragonFly	14.67 / 0.00 / 14.67 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	1	1	3.2 TB	—
kFreeBSD	13.06 / 0.00 / 13.06 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	0	1	132 TB	—