| BG | AS51660 | Suvorovo NET Ltd |
| BG | AS48155 | University of Ruse "Angel Kanchev" |
| BG | AS16328 | University of Architecture Civil Engineering and Geodesy |
| BG | AS31420 | Terasyst Ltd |
| BG | AS50013 | Multicomp Ltd. |
| BG | AS44586 | Executive Agency "Electronic Communication Networks and Information Systems" |
| BG | AS12756 | INFOCOM Plc. |
| BG | AS199818 | Pension Insurance Company UBB EAD |
| BG | AS207671 | DENSHI AD |
| BG | AS202043 | Bulgarian Industrial Association, Union of Bulgarian business |
| BG | AS213357 | KAOLIN_AD |
| CA | AS18214 | Telus International |
| BG | AS62037 | Transcard Financial Services EAD |
| BG | AS202690 | Investbank AD |
| BG | AS31534 | ING Bank N.V. - Sofia Branch |
| BG | AS60578 | Nemetschek OOD |
| BG | AS210299 | ART-BUILD-UP |
| BG | AS24770 | Unix Solutions Ltd |
| BG | AS202737 | RYVYL (EU) EAD |
| BG | AS61301 | Parahodstvo Balgarski Morski Flot AD |
| BG | AS50506 | Bulgarian-American Credit Bank JSC |
| BG | AS202209 | Erma Consulting Ltd. |
| BG | AS41019 | Burgasnet LTD |
| BG | AS34674 | NetWave Ltd. |
| BG | AS197647 | INERPS EOOD |
| BG | AS41663 | Municipal Bank AD |
| BG | AS8795 | Vivacom Bulgaria EAD |
| BG | AS39183 | Micro Optics Europe EOOD |
| BG | AS212561 | Money Plus Management AD |
| BG | AS42805 | eMerchantPay Ltd |
| BG | AS50194 | CORPORATE COMMERCIAL BANK AD |
| BG | AS16193 | BORICA AD |
| BG | AS199191 | Dimitar Vasilev-9 EOOD |
| BG | AS57840 | Comnet Bulgaria Holding Ltd. |
| BG | AS210024 | ITA Engineering OOD |
| BG | AS199871 | TechnoLogica EAD |
| BG | AS50431 | SOT Security and Observation Technologies EOOD |
| BG | AS49850 | International Fair Plovdiv AD |
| BG | AS196807 | Petrol AD |
| BG | AS204639 | H-Tech EOOD |
| BG | AS29210 | Internews 98 OOD |
| BG | AS31140 | Bulgarian Stock Exchange AD |
| BG | AS35448 | Multilink Ltd. |
| BG | AS203312 | Commercial League - Global Pharma Centre JSC |
| US | AS19637 | Avago Technologies |
| BG | AS44179 | Progress Software EAD |
| BG | AS28909 | TV SAT NET |
| BG | AS198280 | Varna Free University Chernorizets Hrabar |
| BG | AS57765 | Optix JSC |
| BG | AS198765 | Euroccor JSC |
