| IT | AS15584 | Informatica Alto Adige |
| IT | AS200424 | CODEMA |
| IT | AS13018 | Banca Monte Dei Paschi Di Siena S.P.A. |
| ES | AS49212 | REALE SEGUROS GENERALES, S.A |
| IT | AS208354 | Alfa Bit Omega |
| IT | AS21429 | Sicob S.r.l. |
| IT | AS198013 | Ipkom |
| IT | AS207453 | Auriga SpA |
| IT | AS60559 | Maxfon Srl |
| IT | AS202146 | Alpaky |
| IT | AS52054 | dataroute srl |
| IT | AS15887 | ENGINEERING INGEGNERIA INFORMATICA SPA |
| IT | AS201095 | DIMAR |
| IT | AS200156 | CONAD NORD OVEST SOCIETA' COOPERATIVA |
| IT | AS34216 | TRENITALIA SPA |
| IT | AS202094 | FINDER SpA |
| IT | AS197954 | Ambrogio s.r.l. |
| IT | AS59777 | EGEA ENTE GESTIONE ENERGIA AMBIENTE SPA |
| IT | AS208017 | fastkom srl |
| IT | AS47136 | Generali Operations Service Platform S.r.l. |
| IT | AS48423 | Accenture Outsourcing S.R.L |
| IT | AS209301 | AIRNET Italy |
| IT | AS205704 | Amap SPA |
| IT | AS208578 | Macrotel Italia |
| IT | AS201602 | Newtec |
| IT | AS44793 | Cloudvox Srl |
| GB | AS15404 | COLT Technology Services Group Limited |
| IT | AS215643 | Sinergo Group srl |
| IT | AS35359 | ADR TEL s.p.a. |
| IT | AS204358 | OPEN Dot Com S.p.a. |
| IT | AS202675 | Keliweb |
| IT | AS206498 | diginet-it |
| IT | AS203672 | Telefonica Servizi srl |
| IT | AS202514 | KME srl |
| IT | AS47254 | WFC-AS |
| IT | AS12551 | ENEL S.p.A |
| AT | AS209812 | Spar Business Services GmbH |
| IT | AS208376 | Digital Globe |
| IT | AS207157 | CAME S.P.A. |
| IT | AS25518 | Zucchetti |
| IT | AS60814 | Dipartimento della Protezione Civile |
| IT | AS198320 | Telnet Systems s.r.l. |
| US | AS3573 | Accenture LLP |
| IT | AS206966 | PAC 2000 A S.C. |
| IT | AS34759 | BANCA D'ITALIA |
| IT | AS15981 | C.S.E. Consorzio Servizi Bancari Soc. Cons. a r.l. |
| IT | AS212680 | SONATRACH RAFFINERIA ITALIANA S.R.L. |
| IT | AS205284 | AirLink Srls |
| IT | AS199352 | SOCIETA' AUTOSTRADE ALTO ADRIATICO S.P.A. |
| IT | AS200761 | Real Comm srl |
