| AS21456 | KVADRAT-DK Kvadrat AS |  | |
| AS21458 | KFW-AS | ||
| AS21459 | GNSEUROPEUK-AS Advanced 365 (Advanced 365) |  | |
| AS21461 | HK2 Transfair-Net GmbH (AS-Transfair) |  | |
| AS21462 | TERRALINK-AS Institutul National de Cercetare-Dezvoltare in informatica - ICI Bucuresti |  | |
| AS21464 | EDF-AS | ||
| AS21465 | EUROPAEISKE-AS EUROPAEISKE REJSEFORSIKRING A/S | | |
| AS21466 | ASQUICKNET Kabelfernsehen Bodeli AG |  | |
| AS21467 | MECOM-AS mecom Medien-Communikations-Gesellschaft mbH | | |
| AS21469 | CREDEM-AS Credito Emiliano S.p.A. |  | |
| AS21470 | SWISP-AS South West Communications Group (swcomms) | | |
| AS21472 | SERVERHOUSE ServerHouse Ltd. (ServerHouse Ltd.) | | |
| AS21473 | PFALZKOM Pfalzkom (ex MAnet) (Pfalzkom (ex MAnet)) | | |
| AS21474 | SD-WORX SD WORX vzw |  | |
| AS21476 | ASN-ACDC all-connect Data Communications GmbH (AS-ACDC) | | |
| AS21478 | PLEX Plex BV (Plex BV) | ||
| AS21479 | ROSTOV-TELEGRAF-AS PJSC Rostelecom |  | |
| AS21480 | WBT-AS PJSC "Vimpelcom" | | |
| AS21483 | TEL-AS PJSC "Vimpelcom" | | |
| AS21485 | FOILHAT Foilhat (Foilhat) | ||
| AS21486 | Synamedia-AS | ||
| AS21487 | SAKHATELECOM-AS PJSC Rostelecom | | |
| AS21488 | EMPLOT-AS Emplot LTD (Emplot Networks) |  | |
| AS21489 | SHAPE-AS The North Atlantic Treaty Organization | | |
| AS21490 | EVLI-BANK-AS Evli Pankki Oyj |  | |
| AS21491 | Uganda-Telecom Uganda Telecom Ltd |  | |
| AS21495 | PZU-AS PZU Centrum Operacji S.A. |  | |
| AS21496 | RU-CITYNET-AS | ||
| AS21497 | UMC-AS VODAFONE UKRAINE (Vodafone Ukraine, UMC, Comstar-Ukraine, MTS Ukraine) | | |
| AS21499 | GODADDY-SXB Go Daddy Netherlands B.V. | | |
| AS21500 | TNS-AS Scientific Production Enterprise "Technaukservice" Ltd (TNS) | | |
| AS21501 | GODADDY-AMS Mainlab GmbH (35329) | ||
| AS21502 | ASN-NUMERICABLE Numericable (Numericable) | ||
| AS21503 | ARETE-AS Availo Networks AB |  | |
| AS21508 | Comcast - Richmond (Comcast - Richmond) | ||
| AS21513 | Epik Networks (Net-coneX) |  | |
| AS21519 | Sinclair Broadcast (Sinclair Broadcast) | ||
| AS21523 | leasenet (LeaseNet Services, LLC) |  | |
| AS21525 | Seattle Public Library (Seattle Public Library) | ||
| AS21527 | DayStarr Communications (DayStarr Communications) | | |
| AS21528 | AlasConnect (AlasConnect) | | |
| AS21538 | IGWAN.NET (IGWAN.NET) |  | |
| AS21547 | Oxford Networks AS21547 (Oxford Networks AS21547) | ||
| AS21548 | Aptum Fibre (Montreal) (Aptum Fibre (Montreal), Cogeco Peer1 Montreal) | | |
| AS21557 | Cybernet Communications (Cybernet Communications) | ||
| AS21558 | S.C. Johnson & Son (S.C. Johnson & Son) | ||
| AS21559 | OSNET Wireless (OSNET) |  | |
| AS21570 | GTT Communications (AS21570) (Accelerated Connections Inc, OneConnect Services) | | |
| AS21574 | CENTURY TELECOM (CENTURY) |  | |
| AS21575 | Entel Peru S.A. (Entel Peru) |