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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: 10719
  • Primary Role: Guard: 3945 | Middle: 3605 | Exit: 3169
  • Role Categories: Guard: 3945 | Middle: 3605 | Exit: 1983 | Guard+Exit: 1186
  • All Roles: Guard: 5131 | Middle: 3605 | Exit: 3169
  • Bandwidth Measured: 10511 relays, 98.1% of all relays
• Platform Concentration: 88.2% Linux | 16.6% BSD variants | 0.1% Windows
• Exit DNS Health: 2,992 healthy / 41 unhealthy (98.7% success rate, 3,033 of 3,084 exits tested)
• Sorted by: observed bandwidth
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Mon, 20 Jul 2026 00:02:22 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	1176.26 / 687.54 / 183.36 / 305.37 Gbit/s	88.25% / 88.87% / 93.03% / 73.78%	3679 / 3343 / 2679	2885	658	1008	5737 PB	2505 / 63
FreeBSD	138.67 / 48.66 / 8.74 / 81.28 Gbit/s	16.40% / 11.07% / 5.21% / 26.15%	259 / 143 / 486	108	45	88	562 PB	485 / 0
OpenBSD	1.80 / 0.42 / 1.11 / 0.27 Gbit/s	0.09% / 0.05% / 0.27% / 0.06%	5 / 46 / 3	41	9	39	5.6 PB	2 / 1
Windows	1.23 / 0.05 / 1.14 / 0.04 Gbit/s	0.06% / 0.01% / 0.34% / 0.00%	1 / 36 / 1	23	4	22	2.6 PB	—
ElectroBSD	1.08 / 0.00 / 1.08 / 0.00 Gbit/s	0.10% / 0.00% / 0.65% / 0.00%	0 / 6 / 0	1	1	3	11 PB	—
Darwin	657.41 / 0.00 / 657.41 / 0.00 Mbit/s	0.05% / 0.00% / 0.34% / 0.00%	0 / 7 / 0	7	1	7	661 TB	—
SunOS	374.42 / 88.20 / 286.21 / 0.00 Mbit/s	0.02% / 0.01% / 0.13% / 0.00%	1 / 7 / 0	4	2	5	3.5 PB	—
NetBSD	52.31 / 0.00 / 52.31 / 0.00 Mbit/s	0.00% / 0.00% / 0.01% / 0.00%	0 / 2 / 0	2	1	2	269 TB	—
DragonFly	48.00 / 0.00 / 48.00 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 2 / 0	1	1	2	5.2 TB	—
Linux-libre	19.75 / 0.00 / 19.75 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 2 / 0	1	1	1	33 TB	—
kFreeBSD	14.58 / 0.00 / 14.58 / 0.00 Mbit/s	0.00% / 0.00% / 0.00% / 0.00%	0 / 1 / 0	1	0	1	125 TB	—