The first of April 2015 has been an unusual day on the tor network: relays added Date +----------+-------------------------+ | 73 | 2015-04-04 | | 72 | 2015-04-03 | | 67 | 2015-04-02 | | >> 96 | 2015-04-01 << | | 73 | 2015-03-31 | | 66 | 2015-03-30 | | 78 | 2015-03-29 | +----------+-------------------------+ Top 5 autonomous systems on that day (2015-04-01): +------------+---------------------+ | relaycount | as_name | +------------+---------------------+ | 20 | Choopa, LLC | | 8 | OVH SAS | | 6 | Hetzner Online AG | | 4 | Centrilogic, Inc. | | 4 | Deutsche Telekom AG | +------------+---------------------+ On 2015-04-01 20 exit relays where added in AS20473 (undefined contactinfo). Going back in time shows similar events (2015-03-24) in that AS. Extrapolating identified properties to the entire tor network gives us 55 exit relays that are likely operated by a single entity. +---------------------+---------+----------+-------------+------------------------+-------------+------------------------------------------+ | first_seen | or_port | dir_port | nickname | as_name | tor_version | fingerprint | +---------------------+---------+----------+-------------+------------------------+-------------+------------------------------------------+ | 2014-11-14 19:00:00 | 443 | 59303 | Hypogre | Serverius Holding B.V. | 0.2.5.11 | EAFA24F082AC794C546DA843DF85682C9C8CCD69 | | 2015-02-04 07:00:00 | 443 | 46658 | Ardenem | Serverius Holding B.V. | 0.2.5.11 | B3F4BDA5D01F34C28B0013B068C1C5F1F92D6A62 | | 2015-02-13 06:00:00 | 80 | 41343 | Danalwor | Serverius Holding B.V. | 0.2.5.11 | 1FC2680C04543AAD5B232A95FD3A416A7BDBA02D | | 2015-02-13 19:00:00 | 80 | 34393 | Ismche | Serverius Holding B.V. | 0.2.5.11 | EAA8CC6749B53E9C791A7942BDE250EBD54DEDA7 | | 2015-02-13 19:00:00 | 80 | 56469 | Obana | Choopa, LLC | 0.2.5.11 | DADD257FDB3C67EF81A09B1A6FDF5FDAABC9E6B5 | | 2015-02-13 19:00:00 | 443 | 59697 | Dardyn | Choopa, LLC | 0.2.5.11 | B50FC1BB56197EA66F8780AD99B983B3ED19564A | | 2015-02-13 20:00:00 | 80 | 57658 | Bywadu | Portlane AB | 0.2.5.11 | 5A0DE94C95E2276B4BAC974A7D8FC6463C4FE8A4 | | 2015-02-13 20:00:00 | 80 | 38546 | Tanran | OVH SAS | 0.2.5.11 | 6AF25023BF27AFE0454ADC1991BDA2E893218D0C | | 2015-02-16 21:00:00 | 443 | 59733 | Darctur | Choopa, LLC | 0.2.5.11 | B1A6B1D6A2B83E16B46CBED623B22BF3B656CED7 | | 2015-02-16 21:00:00 | 80 | 47518 | Gartora | Choopa, LLC | 0.2.5.11 | 6A9F422837F40CAC4BD7BF4AE7A8DED570A5201C | | 2015-03-24 17:00:00 | 110 | 43275 | Enthory | Choopa, LLC | 0.2.5.11 | DB19FE1475371C2ECA68583A54F6979047D876D7 | | 2015-03-24 17:00:00 | 110 | 56831 | Samest | Choopa, LLC | 0.2.5.11 | D678FAAB8A080C115B32E6605FB6F11934B46265 | | 2015-03-24 17:00:00 | 80 | 52111 | Estturray | Choopa, LLC | 0.2.5.11 | 464C1257DD60CD9D5AFF86CA4C4BD92CC989BC3A | | 2015-03-24 17:00:00 | 443 | 49675 | Moslald | Choopa, LLC | 0.2.5.11 | 19646047F74BD1BEC9776FFB6C89555A25D38EA9 | | 2015-03-24 17:00:00 | 80 | 54292 | Enddeli | Choopa, LLC | 0.2.5.11 | 67A654F70220A5A82AB815C3947F059EBC50F60F | | 2015-03-24 17:00:00 | 443 | 34636 | Keyar | Choopa, LLC | 0.2.5.11 | 6F73B844AEAA5747743EEFFBAE2601FFF95B54AE | | 2015-03-24 17:00:00 | 443 | 44720 | Engbeli | Choopa, LLC | 0.2.5.11 | AFB3638F85D492F5CB8C42C1DC9BE30236C4288D | | 2015-03-24 17:00:00 | 80 | 59222 | Rothtai | Choopa, LLC | 0.2.5.11 | 0B10DF9DFBCAE4CB07EAA6D4666A01AE1B900B29 | | 2015-03-24 17:00:00 | 80 | 39123 | Imeld | Choopa, LLC | 0.2.5.11 | 46C745DFEE068107595F4A5E61255452E44A60A3 | | 2015-03-24 19:00:00 | 443 | 54011 | Orod | Choopa, LLC | 0.2.5.11 | 113B858FE85EEB3B390E2EBF4FF1178C1936E1A7 | | 2015-03-24 19:00:00 | 443 | 50181 | Tanworton | Choopa, LLC | 0.2.5.11 | 142CBFF08B3FCAECF88F106F9886EB74ED97B2FE | | 2015-03-24 19:00:00 | 443 | 39144 | Bybaru | Choopa, LLC | 0.2.5.11 | A92B2EAF875489B886B51CCF348C65A1EC45DDE5 | | 2015-03-25 02:00:00 | 443 | 53900 | Isarkin | Choopa, LLC | 0.2.5.11 | 3302AD8F7387A3ABB236FDF5F4B1AC4EABAA4072 | | 2015-03-25 02:00:00 | 80 | 35956 | Zimath | Choopa, LLC | 0.2.5.11 | 334A015E13556BFFE72A338D1A7DF5BAD8C13D76 | | 2015-03-26 22:00:00 | 443 | 34641 | Bynib | Choopa, LLC | 0.2.5.11 | 0E751988D2BC01A6ABE9418498045982F0FE3003 | | 2015-03-26 22:00:00 | 443 | 40883 | Oldaleight | NULL | 0.2.5.11 | 03E96645D51BEA7FA5899F459706326894BDE1FA | | 2015-03-26 22:00:00 | 110 | 38088 | Nalani | Choopa, LLC | 0.2.5.11 | 6F7B0444838F54C6DE87C0F48D4250868E22EE82 | | 2015-03-26 23:00:00 | 80 | 57335 | Etves | NULL | 0.2.5.11 | 3498944B0AAFD6602057541A83F98774B4BA8E33 | | 2015-03-27 00:00:00 | 443 | 33234 | Rodtan | NULL | 0.2.5.11 | 6D35C271C9FC8E0C5F70936783F5B77E2E03461F | | 2015-03-27 00:00:00 | 110 | 39877 | Oildo | NULL | 0.2.5.11 | 0CFD5492BCBC5F2638E61620A4BF772C91759AB1 | | 2015-03-31 03:00:00 | 443 | 45913 | Snevorine | Portlane AB | 0.2.5.11 | 6A3701B12A4B893C67A9534703CECA33AE860C38 | | 2015-04-01 06:00:00 | 80 | 58508 | Ravid | Choopa, LLC | 0.2.5.11 | 44984A22B5629457E91BE3DF4B366EFD1C0B5820 | | 2015-04-01 06:00:00 | 443 | 33301 | Isarsay | Centrilogic, Inc. | 0.2.5.11 | A0096619CC99D5EFDE105A60BFC17386876DCDC7 | | 2015-04-01 06:00:00 | 80 | 39333 | Eldend | Centrilogic, Inc. | 0.2.5.11 | 70508F6D9AB6D92FAE0C5CA25495F0CC3CAEEEB8 | | 2015-04-01 06:00:00 | 80 | 41390 | Awche | Centrilogic, Inc. | 0.2.5.11 | D0C5893CFB1D6DB871A24B9F3D54B4BCB9732E48 | | 2015-04-01 06:00:00 | 80 | 33861 | Ottmar | Choopa, LLC | 0.2.5.11 | 250F47DCBCA3F31BD050AB97F286DD5C1FE1BEF0 | | 2015-04-01 06:00:00 | 80 | 39087 | Chrysanthos | Choopa, LLC | 0.2.5.11 | 7B41271240C0A0C6E4A1EE731D29DB1B483EF28E | | 2015-04-01 06:00:00 | 80 | 55495 | Maximianus | Choopa, LLC | 0.2.5.11 | 8300C6DC6E64708808245410D7264D901397B95A | | 2015-04-01 06:00:00 | 443 | 34384 | Adilet | Choopa, LLC | 0.2.5.11 | 2811DF57928305F80D43B63E09CDD866882B33D3 | | 2015-04-01 06:00:00 | 80 | 39271 | Dagda | Choopa, LLC | 0.2.5.11 | AF5BF61EE0D171D3B9929DFD9FEF202F50D000A4 | | 2015-04-01 06:00:00 | 80 | 53241 | Kyriakos | Choopa, LLC | 0.2.5.11 | CB1F5320223B1DB51F19717BE95E20AB9BF51523 | | 2015-04-01 06:00:00 | 443 | 53025 | Byxus | Centrilogic, Inc. | 0.2.5.11 | 0BA2E89074CD42A9D0384D8B2FCAA2AED9B67B4D | | 2015-04-01 07:00:00 | 443 | 39530 | Joash | Choopa, LLC | 0.2.5.11 | D1B2A28CA84271FBD52FC7C71F0FC22EFB9010E6 | | 2015-04-01 07:00:00 | 443 | 35192 | Darijo | Choopa, LLC | 0.2.5.11 | 0765EA35DB2BC97E167A17181D6290856228CEDC | | 2015-04-01 07:00:00 | 443 | 49314 | Lucrece | Choopa, LLC | 0.2.5.11 | A13652BD401E536BBB36FCCAEBAD187D96C1B277 | | 2015-04-01 07:00:00 | 443 | 59397 | Urias | Choopa, LLC | 0.2.5.11 | 95A5A464BE88C2E924F5B675445FC233E92B23DB | | 2015-04-01 08:00:00 | 80 | 42877 | Calbhach | Choopa, LLC | 0.2.5.11 | 5B738EDE3544C4CE4EA1CB29D3C387EEC64D6165 | | 2015-04-01 08:00:00 | 443 | 45124 | Chifuniro | Choopa, LLC | 0.2.5.11 | CC6339702D3AB62DE86F693474FFDB4C22B1FCA0 | | 2015-04-01 08:00:00 | 443 | 53623 | Menelaus | Choopa, LLC | 0.2.5.11 | C9507B38DD99E3D187D5702F553500CD6044CFA6 | | 2015-04-01 14:00:00 | 443 | 60654 | Vanni | Choopa, LLC | 0.2.5.11 | 0366093A87FA24D2D04BFA850F0B1ACE58EA0FBA | | 2015-04-01 14:00:00 | 80 | 37552 | Lycus | Choopa, LLC | 0.2.5.11 | 177E0F701EBCBAC6AB070289AA433C364F805FD6 | | 2015-04-01 16:00:00 | 80 | 37611 | Gennadios | Choopa, LLC | 0.2.5.11 | 3147930008B5C65CF50DB975E8FA53E7A9E74C72 | | 2015-04-01 16:00:00 | 443 | 33437 | Teigue | Choopa, LLC | 0.2.5.11 | BC572EFA08DF4F01725A3FE8FAE3C9E68B5882CC | | 2015-04-01 17:00:00 | 80 | 56103 | Ayokunle | Choopa, LLC | 0.2.5.11 | 81294472798E7F47E9871AF1D657087DEC51EE28 | | 2015-04-01 17:00:00 | 443 | 54961 | Eduard | Choopa, LLC | 0.2.5.11 | A2E4C9ABDB999B52CFB827DB655C5498D68A49A3 | +---------------------+---------+----------+-------------+------------------------+-------------+------------------------------------------+