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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: 10729
  • Primary Role: Guard: 3968 | Middle: 3591 | Exit: 3170
  • Role Categories: Guard: 3968 | Middle: 3591 | Exit: 1972 | Guard+Exit: 1198
  • All Roles: Guard: 5166 | Middle: 3591 | Exit: 3170
  • Bandwidth Measured: 10524 relays, 98.1% of all relays
• Platform Concentration: 87.6% Linux | 16.4% BSD variants | 0.1% Windows
• Exit DNS Health: 2,998 healthy / 41 unhealthy (98.7% success rate, 3,039 of 3,081 exits tested)
• Sorted by: unique family count
• Key: BW = Observed Bandwidth Capacity, CW = Consensus Weight, AS = Autonomous System (network provider)

Last updated: Sun, 19 Jul 2026 12:01:52 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	1168.14 / 682.84 / 179.76 / 305.54 Gbit/s	87.60% / 89.02% / 92.61% / 73.89%	3702 / 3333 / 2680	2890	648	1003	5738 PB	2511 / 62
FreeBSD	138.95 / 48.52 / 9.10 / 81.34 Gbit/s	16.21% / 10.94% / 5.48% / 26.04%	259 / 146 / 486	109	44	88	564 PB	485 / 0
OpenBSD	1.88 / 0.31 / 1.30 / 0.27 Gbit/s	0.09% / 0.02% / 0.39% / 0.06%	5 / 47 / 3	42	9	40	5.6 PB	2 / 1
Windows	1.11 / 0.05 / 1.02 / 0.04 Gbit/s	0.06% / 0.01% / 0.35% / 0.00%	1 / 36 / 1	23	4	22	2.6 PB	—
SunOS	374.46 / 88.21 / 286.24 / 0.00 Mbit/s	0.02% / 0.01% / 0.13% / 0.00%	1 / 7 / 0	4	2	5	3.5 PB	—
ElectroBSD	1.08 / 0.00 / 1.08 / 0.00 Gbit/s	0.10% / 0.00% / 0.66% / 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% / 0.35% / 0.00%	0 / 7 / 0	7	1	7	661 TB	—
NetBSD	52.31 / 0.00 / 52.31 / 0.00 Mbit/s	0.00% / 0.00% / 0.02% / 0.00%	0 / 2 / 0	2	1	2	269 TB	—
DragonFly	28.95 / 0.00 / 28.95 / 0.00 Mbit/s	0.00% / 0.00% / 0.03% / 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	—