
This analysis relates to those sites found in the survey where the certificate authority certified the organisation (so more than ownership of the domain was checked) (plus the certificate is valid and the common name certificate matched the hostname).
The following graph shows the share of sites currently certified by each certificate authority. Brands belonging to the major companies have been grouped together.
The worldwide version of this data is available on a separate page.
The following table and graph show the change over time of the number of sites certified by the main CA companies. The different brands of the major players are grouped together (so RSA Data Security & Thawte are included in Verisign; Equifax and UserTrust are included in GeoTrust).
| Authority | Current % |
2005 | 2006 | 2007 | 2008 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Jan | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Jan | ||
| VeriSign | 60.62 | 7288 | 8402 | 12103 | 12187 | 12324 | 12426 | 12584 | 12850 | 12954 | 12945 | 13048 | 13180 | 13217 | 13291 | 13368 |
| Comodo | 25.45 | 2069 | 2921 | 3488 | 3519 | 3564 | 3670 | 3785 | 3873 | 4878 | 4940 | 5104 | 5255 | 5412 | 5523 | 5613 |
| Other | 13.55 | 3235 | 3953 | 1763 | 1844 | 1894 | 1960 | 2071 | 2202 | 2317 | 2399 | 2501 | 2590 | 2674 | 2787 | 2989 |
| Entrust.net | 0.15 | 13 | 22 | 31 | 31 | 32 | 37 | 36 | 38 | 37 | 39 | 37 | 40 | 39 | 32 | 33 |
| AmbironTrustWave | 0.11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 27 | 24 | 25 | 25 | 25 | 24 |
| Network Solutions | 0.11 | 0 | 6 | 11 | 12 | 13 | 13 | 13 | 14 | 15 | 16 | 21 | 21 | 23 | 24 | 25 |
The following graph and table show the complete results by certificate authority. These results are broken out into the individual companies and brands, as given by the organisation field on the certificate.
| Authority | Current % |
2005 | 2006 | 2007 | 2008 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Jan | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Jan | ||
| Thawte Consulting cc | 25.34 | 4795 | 4931 | 4965 | 5000 | 5062 | 5097 | 5200 | 5287 | 5351 | 5346 | 5395 | 5463 | 5487 | 5540 | 5587 |
| UTN-USERFirst-Hardware | 21.93 | 0 | 0 | 1526 | 1759 | 1998 | 2255 | 2549 | 2721 | 3618 | 3782 | 4006 | 4256 | 4509 | 4691 | 4837 |
| VeriSign Trust Network | 14.20 | 1692 | 2359 | 2948 | 2968 | 3018 | 3033 | 3053 | 3112 | 3125 | 3116 | 3142 | 3163 | 3160 | 3150 | 3132 |
| TC TrustCenter for Security in Data Networks GmbH | 13.43 | 1994 | 2458 | 2763 | 2767 | 2776 | 2813 | 2843 | 2904 | 2914 | 2901 | 2914 | 2938 | 2932 | 2952 | 2962 |
| T-Systems Enterprise Services GmbH | 7.51 | 0 | 0 | 1212 | 1399 | 1507 | 1515 | 1533 | 1568 | 1593 | 1603 | 1631 | 1632 | 1638 | 1661 | 1657 |
| VeriSign, Inc. | 3.31 | 0 | 55 | 166 | 185 | 201 | 238 | 282 | 346 | 386 | 439 | 478 | 534 | 604 | 664 | 729 |
| Comodo Limited | 2.24 | 2064 | 2684 | 1373 | 1270 | 1156 | 1064 | 961 | 882 | 942 | 843 | 768 | 662 | 575 | 523 | 495 |
| Thawte Consulting (Pty) Ltd. | 2.09 | 263 | 537 | 507 | 503 | 501 | 502 | 498 | 493 | 489 | 475 | 478 | 475 | 471 | 457 | 461 |
| RSA Data Security, Inc. | 1.50 | 538 | 520 | 574 | 588 | 582 | 558 | 531 | 512 | 498 | 475 | 459 | 428 | 383 | 357 | 330 |
| WebSpace-Forum, Thomas Wendt | 1.12 | 0 | 0 | 48 | 61 | 79 | 98 | 127 | 148 | 173 | 180 | 207 | 227 | 236 | 244 | 247 |
| AddTrust AB | 0.95 | 0 | 222 | 587 | 488 | 407 | 348 | 269 | 261 | 302 | 298 | 302 | 295 | 275 | 244 | 210 |
| GlobalSign nv-sa | 0.80 | 78 | 109 | 130 | 125 | 130 | 138 | 143 | 149 | 151 | 152 | 163 | 170 | 170 | 178 | 177 |
| Equifax | 0.73 | 121 | 146 | 170 | 166 | 173 | 174 | 167 | 186 | 181 | 183 | 173 | 172 | 173 | 164 | 161 |
| Universitaet Karlsruhe | 0.63 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 10 | 140 |
| DigiCert Inc | 0.57 | 5 | 15 | 62 | 62 | 63 | 67 | 66 | 73 | 98 | 99 | 101 | 109 | 116 | 115 | 125 |
| IPS Certification Authority s.l. | 0.26 | 18 | 21 | 30 | 31 | 31 | 31 | 45 | 54 | 54 | 53 | 56 | 58 | 59 | 63 | 57 |
| Comodo CA Limited | 0.25 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 6 | 11 | 12 | 20 | 29 | 40 | 51 | 55 |
| Deutsche Post World Net | 0.18 | 0 | 0 | 0 | 0 | 3 | 7 | 10 | 14 | 17 | 21 | 24 | 27 | 28 | 37 | 39 |
| CAcert Inc. | 0.15 | 0 | 0 | 17 | 19 | 20 | 22 | 26 | 30 | 32 | 36 | 34 | 34 | 34 | 34 | 33 |
| Entrust.net | 0.15 | 13 | 22 | 31 | 31 | 32 | 37 | 36 | 38 | 37 | 39 | 37 | 40 | 39 | 32 | 33 |
| Cybertrust Inc | 0.14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 13 | 13 | 14 | 17 | 28 | 30 | 31 |
| Network Solutions L.L.C. | 0.11 | 0 | 6 | 11 | 12 | 13 | 13 | 13 | 14 | 15 | 16 | 21 | 21 | 23 | 24 | 25 |
| Akamai Technologies Inc | 0.10 | 0 | 0 | 3 | 3 | 3 | 3 | 5 | 7 | 8 | 9 | 9 | 10 | 10 | 17 | 22 |
| Universitaet Muenster | 0.09 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 5 | 18 | 18 | 19 | 18 | 18 | 19 |
| Universitaet zu Koeln | 0.09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 14 | 16 | 19 | 19 | 19 | 19 |
| DFN-Verein | 0.08 | 0 | 0 | 0 | 1 | 4 | 6 | 8 | 9 | 12 | 13 | 13 | 16 | 18 | 18 | 17 |
| StartCom Ltd. | 0.07 | 0 | 14 | 1 | 1 | 1 | 1 | 2 | 3 | 5 | 5 | 5 | 6 | 6 | 7 | 15 |
| Uni-Konstanz | 0.07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 6 | 6 | 7 | 10 | 12 | 15 | 15 |
| Technische Universitaet Chemnitz | 0.07 | 0 | 0 | 0 | 0 | 0 | 1 | 9 | 9 | 9 | 9 | 9 | 9 | 14 | 14 | 16 |
| Technische Universitaet Darmstadt | 0.06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 6 | 8 | 13 |
| Universitaet Passau | 0.06 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 9 | 11 | 12 | 12 | 12 | 13 | 13 | 13 |
| Universitaet Wuerzburg | 0.06 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 7 | 8 | 8 | 8 | 8 | 11 | 13 |
| Universitaet Giessen | 0.06 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 13 | 13 | 12 | 13 | 12 | 13 |
| Regionales Hochschulrechenzentrum Kaiserslautern | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 5 | 10 | 10 | 10 | 11 | 11 |
| Fachhochschule fuer Technik und Wirtschaft Berlin | 0.05 | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 8 | 8 | 10 | 10 | 10 | 10 | 11 | 11 |
| Technische Universitaet Dresden | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 4 | 6 | 10 |
| Gesellschaft fuer wissenschaftliche Datenverarbeitung | 0.05 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 8 | 9 | 12 |
| SecureTrust Corporation | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 4 | 8 | 8 | 11 | 12 | 12 | 12 |
| RWTH Aachen | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 5 | 7 | 9 | 10 | 12 |
| Ludwig-Maximilians-Universitaet Muenchen | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 9 | 9 | 11 |
| UTN - DATACorp SGC | 0.05 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 7 | 7 | 8 | 10 |
| XRamp Security Services Inc | 0.05 | 14 | 18 | 22 | 22 | 23 | 23 | 23 | 23 | 20 | 19 | 16 | 14 | 13 | 13 | 12 |
| Technische Universitaet Berlin | 0.05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 9 | 11 |
| Georg-August-Universitaet Goettingen | 0.04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 | 7 | 8 |
| Hochschule Karlsruhe - Technik und Wirtschaft | 0.04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 8 |
| Nestle | 0.04 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 4 | 4 | 8 |
| Universitaet Stuttgart | 0.04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 5 | 5 | 6 | 6 | 6 | 8 |
| Hochschule Esslingen | 0.04 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 7 | 7 | 8 | 8 | 8 |
| Universitaet Marburg | 0.03 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 5 | 5 | 5 | 7 |
| Leibniz Universitaet Hannover | 0.03 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 4 | 3 | 4 | 4 | 5 | 5 | 6 |
| Universitaet Tuebingen | 0.03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 4 | 4 | 6 |
| Universitaet Jena | 0.03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 6 | 6 | 7 | 7 |
| Universitaet Kiel | 0.03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 6 | 6 |
| Universitaet Freiburg | 0.03 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 5 | 6 | 7 |
| Fachhochschule Landshut | 0.03 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| DFN-CERT Services GmbH | 0.03 | 0 | 0 | 0 | 0 | 2 | 4 | 5 | 5 | 7 | 7 | 9 | 9 | 7 | 7 | 7 |
| Universitaet Leipzig | 0.03 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 4 | 4 | 3 | 5 | 5 | 6 | 6 |
| Technische Universitaet Muenchen | 0.03 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 5 | 5 | 5 | 5 | 6 | 6 | 7 |
| Fachhochschule Giessen-Friedberg | 0.03 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 |
| Equifax Secure Inc. | 0.03 | 0 | 0 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 7 | 7 | 7 | 6 |
| Accenture | 0.02 | 1 | 6 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 7 | 6 | 6 | 5 | 5 |
| Hochschule Anhalt (FH) | 0.02 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 2 | 4 | 4 | 4 | 4 | 4 |
| Technische Universitaet Braunschweig | 0.02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 3 | 3 | 4 | 5 |
| Fachhochschule Hannover | 0.02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 4 | 4 |
| Trusted Secure Certificate Authority | 0.02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 3 | 4 | 4 | 4 | 4 |
| Technische Universitaet Clausthal | 0.02 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 2 | 2 | 3 | 4 | 4 | 4 | 4 |
| Fachhochschule Dortmund | 0.02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 4 | 4 | 4 | 4 | 4 |
| Universitaet Siegen | 0.02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
| GlobalSign | 0.02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 6 | 5 |
| Universitaet Dortmund | 0.02 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 4 | 4 | 4 | 4 | 4 | 4 |
| Technische Universitaet Bergakademie Freiberg | 0.02 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
| Martin-Luther-Universitaet Halle-Wittenberg | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 2 |
| GlobalSign Inc | 0.01 | 0 | 1 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 2 | 2 | 2 |
| Vodafone Group | 0.01 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 2 | 2 |
| Hochschule fuer Grafik und Buchkunst Leipzig | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Universitaet Mannheim | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 |
| Toshiba Electronics Europe GmbH | 0.01 | 1 | 1 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 |
| Universitaet Greifswald | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| A-Trust Ges. f. Sicherheitssysteme im elektr. Datenverkehr GmbH | 0.01 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 3 | 3 |
| Leibniz-Rechenzentrum | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Fachhochschule Jena | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 3 | 3 |
| Hochschule fuer Technik Stuttgart | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Hochschule fuer Angewandte Wissenschaften Hamburg | 0.01 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 2 |
| Ruhr-Universitaet Bochum | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 |
| Hochschule fuer angewandte Wissenschaften Fachhochschule Hof | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Max-Planck-Institut fuer Gesellschaftsforschung | 0.01 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 |
| HS-Harz | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 |
| Jacobs University Bremen gGmbH | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 | 3 | 3 | 3 | 3 | 3 |
| Universitaet Hamburg | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 |
| Universitaet Osnabrueck | 0.01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 |
| Universitaet Erfurt | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 |
| Otto-Friedrich-Universitaet Bamberg | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
| Helmholtz-Zentrum fuer Infektionsforschung GmbH | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| Bayerische Staatsbibliothek | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Bergische Universitaet Wuppertal | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Stiftung Tieraerztliche Hochschule Hannover | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
| Jabber Software Foundation | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| Universitaet Potsdam | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Bibliotheksservice-Zentrum Baden-Wuerttemberg | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| T-Systems SfR | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Deutscher Wetterdienst | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Bauhaus-Universitaet Weimar | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Universitaet Bremen | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| AddTrust Sweden AB | 0.00 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Deutsches Zentrum fuer Luft- und Raumfahrt e.V. (DLR) | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
| Freie Universitaet Berlin | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 |
| Starfield Technologies, Inc. | 0.00 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deutsche Telekom AG | 0.00 | 964 | 1166 | 213 | 95 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Bundesinstitut fuer Risikobewertung | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| Max-Planck-Gesellschaft | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| unknown | 0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Universitaet Erlangen-Nuernberg | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
| Wissenschaftszentrum Berlin fuer Sozialforschung gGmbH | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Hochschulbibliothekszentrum NRW | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Hochschule fuer angewandte Wissenschaften Fachhochschule Coburg | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 |
| Fachhochschule Ingolstadt | 0.00 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Universitaet zu Luebeck | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Fachhochschule Stralsund | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 |
| Hochschule Darmstadt | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| United SSL Deutschland GmbH | 0.00 | 41 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cable & Wireless plc | 0.00 | 0 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 0 | 0 | 0 | 0 |
| Sun Microsystems Inc | 0.00 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Fachhochschule Frankfurt am Main | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| Akamai | 0.00 | 0 | 6 | 4 | 4 | 4 | 4 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Digi-Sign Limited | 0.00 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Hochschule Niederrhein | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| GoDaddy.com, Inc. | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| Forschungsverbund Berlin e.V. | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
| Postecom S.p.A. | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Microsoft Secure Server Authority | 0.00 | 0 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| TC TrustCenter GmbH | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Deutsches Elektronen-Synchrotron DESY | 0.00 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
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