| AS40139 | Jackson Technical (Jackson Technical) |  | |
| AS40140 | AS-40140 | ||
| AS40144 | ASN-THEICE-US | ||
| AS40148 | PRINCE GEORGES INTERGOVERNMENTAL NETWORK COMMUNITY COORDINATING COMMITTEE (PRINCE GEORGES INTERGOVERNMENTAL NETWORK COMMUNITY COORDINATING COMMITTEE) | ||
| AS40160 | Inteliquent (fka Onvoy Inc, Neutral Tandem) | | |
| AS40165 | VOXOLOGY CARRIER SERVICES (VOXOLOGY CARRIER SERVICES) | | |
| AS40181 | Elite Systems, LLC (Elite Fiber) | ||
| AS40191 | Openface (AS40191) (ZEROFAIL, Pre2Post) |  | |
| AS40193 | Trit Networks (Trit Networks) | ||
| AS40216 | DSTIP Networks (DSTIP) | ||
| AS40217 | The St. Paul Group (St. Paul Computer Center) | | |
| AS40220 | Mid-Atlantic Terascale Partnership - MATP (MARIA / Virginia Tech (Virginia Polytechnic Institute and State University)) | ||
| AS40237 | United Telephone Company (United Telephone Company) | | |
| AS40244 | Turnkey Internet (Turnkey Internet) | | |
| AS40253 | Cascadeo Corporation (Cascadeo Corporation) | ||
| AS40260 | Terra (Terra Networks) | ||
| AS40263 | FC2 INC (FC2 INC) | | |
| AS40272 | ALLENINSTITUTE (ALLENINSTITUTE) | | |
| AS40300 | DRFortress (DRFortress) | | |
| AS40317 | Peoples Communication (Peoples Telephone Cooperative) | | |
| AS40328 | AcenTek (Ace Communications Group) | | |
| AS40335 | WTBTS-USA (WTBTS-USA) |  | |
| AS40336 | Jacobi International (Jacobi International) | ||
| AS40339 | Jump Trading (Jump Trading) | | |
| AS40350 | Key Cooperative (Key Cooperative) | | |
| AS40356 | Tascom Global Network (TGN) | | |
| AS40371 | PROS-ARIN-AS PROS, Inc. | ||
| AS40387 | University of Illinois/ICCN (University of Illinois/ICCN) | ||
| AS40401 | Backblaze Inc (Backblaze Inc) | | |
| AS40413 | Hennepin County Medical Center (Hennepin Healthcare System Inc.) | | |
| AS40424 | Rona (Rona) | ||
| AS40426 | TSS-Inactive (TSS-Inactive) |  | |
| AS40428 | Pandora Media, Inc (Pandora Media, Inc) | ||
| AS40440 | Centarra Networks Inc (Centarra Networks Inc) | ||
| AS40444 | Constant Contact, Inc. (Constant Contact, Inc.) | ||
| AS40448 | NUVUJAQ (NUVUJAQ) | | |
| AS40449 | BDBC-6-40449 (BDC) | | |
| AS40460 | WeConnect (WeConnect) | | |
| AS40467 | Credorax | ||
| AS40470 | Protected.CA (Protected.CA) | | |
| AS40473 | Xplornet Commercial (Xplornet Commercial) | | |
| AS40475 | Applied Operations (Applied Operations) | ||
| AS40490 | AFILIAS-CTRL2 | ||
| AS40495 | Marchex, Inc (Marchex, Inc) | ||
| AS40500 | Oxun Networks (TMHHost) |  | |
| AS40511 | Fireline Network Solutions, Inc dba: Fireline Broadband (Fireline Broadband) | ||
| AS40517 | AS-XCONNECT24-US | ||
| AS40519 | SLIX Route Servers (rs1.slix.net) | | |
| AS40526 | Gap, Inc. Direct (Gap Inc) | | |
| AS40528 | ICANN (Internet Corporation for Assigned Names and Numbers) |