| CZ | AS60086 | Valvera s.r.o. |
| CZ | AS203165 | Statni pokladna Centrum sdilenych sluzeb |
| CZ | AS48298 | MINISTERSTVO VNITRA CR |
| SK | AS200355 | CadcaNet plus s. r. o. |
| CZ | AS13036 | T-Mobile CZ AS13036 |
| SK | AS49044 | DIGI SLOVAKIA |
| SK | AS201890 | EHS |
| SK | AS49117 | DTnet Detva s.r.o. |
| SK | AS202876 | BBNW s.r.o. |
| SK | AS208882 | Automation & Business, s.r.o., COOL NET |
| DE | AS49275 | Samsung SDS Europe Ltd. German Branch Zweigniederlassung Deutschland |
| CZ | AS198103 | CCS Ceska spolecnost pro platebni karty s.r.o. |
| CY | AS200055 | Penta Investments Limited |
| CZ | AS197694 | Municipal Office of the City Prague |
| CZ | AS47749 | ORIFLAME SOFTWARE s.r.o. |
| CZ | AS44104 | LCJ Invest, a.s. |
| SK | AS206909 | News and Media Holding a.s. |
| SK | AS206194 | Skynetworks-AS |
| DE | AS203080 | SAP SE |
| CZ | AS201163 | Komercni banka, a.s. |
| CZ | AS207095 | FORTUNA GAME a.s. |
| CZ | AS208329 | Ceska televize |
| SK | AS201603 | AIRNET |
| CZ | AS48451 | Prazska energetika, a.s. |
| SK | AS42826 | S&T Slovakia sro |
| CZ | AS214945 | Ministerstvo zahranicnich veci Ceske Republiky |
| SK | AS59548 | AXASOFT, a.s. |
| CZ | AS50695 | VLTAVA LABE MEDIA a.s. |
| CZ | AS25093 | Ceska Sporitelna a.s. |
| SK | AS214396 | Sudolio a.s. |
| CZ | AS31461 | Moravia IT s.r.o. |
| SK | AS34521 | Atos IT Solutions and Services s.r.o. |
| SK | AS48304 | Digmia s.r.o. |
| CZ | AS48405 | CGI IT Czech Republic s.r.o. |
| CZ | AS204113 | Security Information Service |
| SK | AS60829 | NEVERNET |
| HK | AS208259 | AVEN-AS |
| CZ | AS28892 | Cesky urad zememericky a katastralni |
| CZ | AS56344 | Viridium.cz |
| SK | AS197642 | Slovak Telekom, a.s. |
| CZ | AS201447 | The Czech National Bank |
| SK | AS201841 | Petit Press, a.s. |
| SK | AS204690 | PLAYMAX s.r.o. |
| CZ | AS211137 | ISP Services spol. s.r.o., |
| SK | AS202564 | ITcity |
| CZ | AS48417 | ITS akciova spolecnost |
| US | AS27500 | ICANN Meetings |
| CZ | AS48574 | T-Mobile Czech Republic a.s. |
| GB | AS21433 | Accenture |
| CZ | AS207696 | Dopravni podnik hl.m. Prahy, a.s. |
