| AS51513 | Klimawent Klimawent S.A. |  | |
| AS51514 | SPOTLER Spotler (Spotler | MailPlus | Blinker) |  | |
| AS51515 | VEGA-NET-AS Vega-Service, LLC (Vega-Service, LLC) |  | |
| AS51516 | Fexco Fexco Unlimited Company |  | |
| AS51517 | AS-ORANJEKOEK | ||
| AS51518 | KAFA-NET-AS EKMA IS LTD |  | |
| AS51519 | Karabro | ||
| AS51520 | RH Krasnoyarsk network (Krasnoyarsk network) | | |
| AS51521 | ASKMNET Resident Control s.r.o. |  | |
| AS51522 | ONLINE CRELCOM LLC | | |
| AS51523 | GYMN-PERSPEKTIVA-AS MOU gymnasium "Perspektiva" g.o. Samara | | |
| AS51524 | ASNETDELUXE Ales Tesacek | | |
| AS51525 | ASITLTD Informacionnuye technologiyi Ltd | | |
| AS51526 | IXLeeds Route Collectors (IXLeeds Route Collectors) |  | |
| AS51527 | AUTOEVER-EUROPE Hyundai AutoEver Europe GmbH |  | |
| AS51528 | CENTR-AS KOZOBROD ANDRIY ANATOLIYOVICH | | |
| AS51529 | AARERZ Unico Data AG |  | |
| AS51530 | Free IX Services (Free IX Services) | | |
| AS51531 | DECIX-MGMT-AS DE-CIX Services (DE-CIX) | | |
| AS51532 | TEVIA-AS Tevia Ltd. | | |
| AS51533 | TurkishBank Turkish Bank A.S. |  | |
| AS51536 | GAZPROMBANK-KRASNOYARSK-AS Gazprombank (JSC) | | |
| AS51537 | A3-AS Aegean Airlines S.A. |  | |
| AS51538 | tekcom TEKCOM LTD | | |
| AS51539 | ASN-AUIS-NET The American University of Iraq-Sulaimani |  | |
| AS51540 | DALNET-ASN Fikri DAL (Dal Bilgi Teknolojileri ve Bil Sis Tic AS) | ||
| AS51541 | BITFACTOR-AS | ||
| AS51545 | ZSAH zsah Limited | | |
| AS51546 | QAVAT Qavat AB |  | |
| AS51547 | TDS "TDS+" Limited Liability Company | ||
| AS51548 | DOLPHNET DOLPHNET (Dolphnet) |  | |
| AS51551 | CAPITA-AS Capita Networking Solutions (Updata) (formerly Updata Infrastructure) | | |
| AS51552 | ASGORINFOSET Gorinfoset Ltd. | | |
| AS51553 | TelecomPlus Telecom Plus (Utility Warehouse - UW) | | |
| AS51554 | POGC Pars Oil & Gas Company (Private Joint Stock) |  | |
| AS51555 | ASN-PREFERENCE 3T COM Ltd (3T-IX) |  | |
| AS51557 | TR-ISIMTESCIL-20201202 Isimtescil Bilisim A.S. | | |
| AS51559 | NETINTERNET Netinternet (Netinternet) | | |
| AS51560 | GRESCHITZ Greschitz Management GmbH |  | |
| AS51561 | AS-ICUK ICUK Computing Services Ltd (ICUK.net) | ||
| AS51562 | almazovcentre Comfortel Ltd. | | |
| AS51564 | TWW-HU01 Transcom Hungary Kft. |  | |
| AS51565 | SI-HC-CENTER HC CENTER druzba za informacijske tehnologije d.o.o. |  | |
| AS51566 | TURKPATENT-AS TURK PATENT ENSTITUSU | | |
| AS51567 | MESSER-IS Messer Information Services GmbH | | |
| AS51569 | FIBERING FIBERING (Dialogicnet S.r.l.) |  | |
| AS51570 | SPB-AS Perspectiva Ltd. | | |
| AS51571 | alpit-nordic-as Protechnics ICT BV |  | |
| AS51572 | CERULEAN Cerulean Solutions Limited | | |
| AS51573 | XLAB-AS XLAB razvoj programske opreme in svetovanje d.o.o. | |