| AS51056 | AS-INETEHNO Inet Tehno SRL |  | |
| AS51057 | NEXXTRA 42com Telecommunication (42com Telecommunication) | ||
| AS51058 | RDNS-AS RDNS Networks (RDNS Networks) |  | |
| AS51059 | BRIGHTBOX-AS Brightbox Systems Ltd |  | |
| AS51060 | LANDTECH-AS LandTech Sp. z.o.o. (LandTech Sp. z.o.o.) |  | |
| AS51061 | DECHEMA | ||
| AS51063 | FUJITSU | ||
| AS51064 | GITD-PL Glowny Inspektorat Transportu Drogowego | | |
| AS51065 | PASSADORE-AS Banca Passadore & C. S.p.A. |  | |
| AS51066 | AUSTROCONTROL-AS Austro Control Oesterreichische Gesellschaft fuer Zivilluftfahrt mit beschraenkter Haftung |  | |
| AS51067 | KRAZ-AS IT-Service Ltd. |  | |
| AS51068 | darconnect-as AgaNet (AgaNet) | | |
| AS51069 | ASDNEPRONET Dnepronet (Dnepronet) |  | |
| AS51070 | TOKS-AS TOKS Ltd | | |
| AS51071 | SIBTELEKOM-AS SibTeleCom Ltd. | | |
| AS51073 | AARHUS-KOEBMANDSSKOLE Aarhus Kobmandsskole |  | |
| AS51074 | MABNA GOSTARESH-E-ERTEBATAT-E MABNA COMPANY (Mabna Telecom) |  | |
| AS51075 | Innotip | ||
| AS51077 | PTS-NET Modern Technologies Ltd. | | |
| AS51079 | MOKADI P.H.U. MOKADI Wieslawa Kazmierczak | | |
| AS51080 | NCAP-KW Watani Investment Company KSC (closed) |  | |
| AS51081 | TETRON-AS LLC "TETRON" | | |
| AS51082 | ISP-A1-Internet | ||
| AS51083 | Grenode Association Grenode (Grenode) |  | |
| AS51084 | IDEA-LTD-AS Idea Ltd. | | |
| AS51086 | SCATPLUS-AS SCATPLUS Ltd. | | |
| AS51087 | Net-AUTOBANK-AG Autobank AG | | |
| AS51088 | A2B A2B Internet (A2B Internet) |  | |
| AS51089 | SNAPSTACK-AS SaltyFish Tech UK (SaltyFish Tech UK) | | |
| AS51090 | AM-TLD-AS AM NIC (AM NIC) |  | |
| AS51091 | ATOM86 Schuberg Philis B.V. | | |
| AS51092 | TVIPMEDIA TVIP Media (TVIP-Media) | | |
| AS51093 | VmCity VMCity (VMCity) | | |
| AS51094 | Hidroelectrica Societatea Comerciala de Producere a Energiei Electrice in Hidrocentrale "Hidroelectrica" S.A. |  | |
| AS51095 | E1-EMEA EdgeUno MEA (EdgeUno MEA) |  | |
| AS51096 | MOKK-AS Magyar Orszagos Kozjegyzoi Kamara |  | |
| AS51097 | BNG Stichting Nederlands Instituut voor Beeld en Geluid | | |
| AS51098 | ROSA-AS Agentia Spatiala Romana | | |
| AS51099 | BLUEPINK-AS BLUEPINK HOSTING SRL | | |
| AS51100 | Kier Kier Ltd | | |
| AS51101 | Rewolucja-net Rewolucja-Net Marceli Kaczor (R-NET) | | |
| AS51102 | IMPATT-AS IPv4 Management SRL | | |
| AS51105 | STACKSCALE | ||
| AS51107 | DOMENAIAS UAB Bartus pro |  | |
| AS51108 | NETWORK-ONE-DISTRIBUTION-AS Network One Distribution SRL | | |
| AS51109 | CAMELHOST-AS | ||
| AS51110 | idomtechnologies-as IDOM TECHNOLOGIES SAS | | |
| AS51111 | MAG-AS Morska Agencja Gdynia Sp. Z o.o. | | |
| AS51112 | OSS-LTD-AS OSS Ltd | | |
| AS51113 | ELEKTA-AS |