| IT | AS209368 | NOINET |
| IT | AS51300 | Telecomunicazioni Digitali Fastalp Srl |
| IT | AS202675 | Keliweb |
| IT | AS49215 | Burgo Group S.p.A |
| IT | AS31087 | CGM TELEMEDICINE S.R.L. |
| SM | AS39759 | Passepartout s.p.a. |
| IT | AS15691 | Leonet srl |
| IT | AS207623 | ERG S.P.A. |
| IT | AS206615 | COOPSERVICE S. COOP P.A. |
| IT | AS199237 | EuroReti S.r.l. |
| IT | AS209402 | BIC INCUBATORI FVG S.R.L. |
| IT | AS31086 | Orthofix S.r.l. |
| IT | AS199699 | GAMGROUP-INET |
| IT | AS205195 | EFSA - European Food Safety Authority |
| IT | AS201747 | Evolink srl |
| IT | AS213970 | FIMAP SPA |
| IT | AS52030 | Server Plan |
| IT | AS8884 | CRIF S.p.A. |
| IT | AS50394 | SYSTEM SRL |
| IT | AS205493 | TRASNA-CELLULAR-AS |
| IT | AS57525 | GRANDI NAVI VELOCI SPA |
| IT | AS39719 | Liguria Digitale |
| IT | AS200767 | Esselunga S.p.A. |
| IT | AS51139 | CASA ATC SERVIZI SRL |
| US | AS30012 | Universal Music Group, INC. |
| IT | AS206035 | 2i Rete Gas S.p.A. |
| IT | AS204694 | ISCHIA TELECOMUNICAZIONI S.R.L. |
| IT | AS211102 | Previnet S.p.A. |
| IT | AS198349 | Baleno |
| IT | AS44701 | Software Design srl |
| IT | AS196956 | Net-spring s.r.l. |
| IT | AS209902 | RAIWAY |
| IT | AS57144 | BCC SISTEMI INFORMATICI S.P.A. |
| IT | AS204958 | KT Solutions |
| IT | AS200818 | CONNEXTRA |
| IT | AS202074 | Link Telecomunicazioni SRL |
| IT | AS16027 | Allitude S.p.A. |
| IT | AS208862 | SIRIANNI INFORMATICA S.R.L. IN SIGLA SIRINFO S.R.L. |
| IT | AS24994 | Genesys Informatica |
| IT | AS207739 | FLONETSRLS |
| IT | AS24780 | Autostrade per l'Italia S.P.A. |
| IT | AS47735 | NOWIRE s.r.l. |
| SM | AS201852 | Bluindaco S.R.L. |
| IT | AS206738 | TRC Toscana Radio Comunicazioni srl |
| IT | AS204689 | Jakala S.P.A. |
| IT | AS206732 | Lo Conte Wifi |
| IT | AS8660 | Italiaonline |
| IT | AS41734 | Comifar Distribuzione S.p.A. |
| IT | AS58316 | WiGate |
| IT | AS202017 | ASM VIGEVANO E LOMELLINA SPA |
