| AS21581 | M5 Computer Security / M5Hosting (M5 Cloud) | ||
| AS21595 | BAXTER | ||
| AS21602 | GIGLINX (GIGLINX) | ||
| AS21609 | SENTINEL-BENEFITS-GROUP | ||
| AS21623 | I2B Networks as21623 (Camzone Networks) | ||
| AS21628 | Towerstream Corp (Towerstream Corp) | ||
| AS21632 | Grizzly Broadband LLC (Grizzly Broadband LLC) |  | |
| AS21640 | Divo Networks (Divo Networks) | ||
| AS21656 | NEX-CORP-US | ||
| AS21659 | ALT TELECOM (ALT TELECOM) |  | |
| AS21660 | AS21660 Baxalta Incorporated | | |
| AS21693 | Xcel Energy (Xcel Energy) | | |
| AS21700 | Neptune Networks (Neptune Networks) | | |
| AS21709 | Implex.net (Implex.net, Inc.) | ||
| AS21719 | CHL (CHL) | | |
| AS21723 | GoCo (GoCo) | | |
| AS21724 | Radiant Communications Toronto (Radiant Communications Corp.) | | |
| AS21734 | Trading Technologies Intl (Trading Technologies Intl) | ||
| AS21737 | SpringNet (SpringNet) | ||
| AS21739 | AfricaINX-object-for-Majuba-Internet-Technologies MAJUBA TECHNOLOGIES (Majuba) | ||
| AS21740 | Enom (Enom) | ||
| AS21743 | Atlas Networks (Atlas Networks) |  | |
| AS21744 | WestStar TV Ltd. (WestStar TV Ltd.) | ||
| AS21750 | Counterpoint Networking (CPOINT) | | |
| AS21765 | VOISSNET (RedVOISS) | ||
| AS21766 | BEN-LOMAND-TEL (Ben Lomand Connect) | ||
| AS21769 | Colocation-America Colocation America AS21769 (Colocation America AS21769) | | |
| AS21774 | The Exchange Global Server Center (XGSC) | ||
| AS21777 | Massive Networks (Last Mile Fiber) | | |
| AS21782 | Plateau Telecommunications (Plateau Telecommunications) | ||
| AS21788 | BurstNET Technologies, Inc. (BurstNET Limited) | ||
| AS21792 | WORKGROUPVIDEO | ||
| AS21804 | Access Communications Co-operative (Access Communications (21804)) | ||
| AS21808 | PRLSS (PRLSS) | | |
| AS21825 | Icarus Technologies (Icarus Technologies, LLC) | | |
| AS21826 | Corporación Telemic Network (INTER) |  | |
| AS21832 | Kellin Communications (Windfield Enterprise) | ||
| AS21837 | US-OPERA Opera Software Americas (Opera Software Americas) |  | |
| AS21840 | Sago Networks (Sago Networks) | ||
| AS21844 | The Planet Internet Services (The Planet Internet Services) | ||
| AS21856 | NOKIA-APAC Nokia Oyj |  | |
| AS21859 | Zenlayer Inc (as21859) | | |
| AS21864 | Bend Broadband (Bend Cable) | ||
| AS21870 | Juniper Networks (NoAM Herndon) (Juniper, JNPR) |  | |
| AS21880 | Zendesk US (Zendesk US) | ||
| AS21886 | MINDSHIFT (MINDSHIFT) | ||
| AS21889 | Rapid Systems Corporation (Rapid Systems Corporation) | ||
| AS21899 | ABBOTT | ||
| AS21911 | Scala Data Centers (Services AS) (Scala Data Centers (Services AS)) |  | |
| AS21919 | LINX NoVA (LINX USA Inc.) (LINX NoVA (LINX USA Inc.)) |  |