| AS4201 | Oregon State University (Oregon State University) | ||
| AS4224 | Calyx Institute (Calyx Institute) |  | |
| AS4229 | Zenlayer AS4229 (as4229) |  | |
| AS4230 | Claro S.A. (Claro S.A.) |  | |
| AS4250 | Alentus Corporation (Alentus Europe - AS21321, Alentus CA - AS25745) | ||
| AS4258 | ATGBB (Accretive Networks Inc) | ||
| AS4261 | Intermart (Intermart) | | |
| AS4270 | Red de Interconexion Universitaria (ARIU) |  | |
| AS4280 | Pier Programming Services Ltd. (Pier Programming Services Ltd.) | ||
| AS4306 | Novia Internetworking (Novia Internetworking) | ||
| AS4307 | SVINET-1 (SVINET-1) | ||
| AS4319 | Cortland Communications (Cortland Communications) | ||
| AS4323 | tw telecom (TWTC) |  | |
| AS4354 | as4354 | ||
| AS4355 | EarthLink (EarthLink) | ||
| AS4356 | Epic Games (Epic Games) | ||
| AS4382 | Indonusa System Integrator Prima (ISIP) |  | |
| AS4385 | Rochester Institute of Technology (RIT) | | |
| AS4405 | CreditSuisseGroup-AS Credit Suisse Group | ||
| AS4410 | CreditSuisseGroup-AS Credit Suisse Group |  | |
| AS4432 | CSTONE-NET (CSTONE-NET) | | |
| AS4434 | Rahajasa Media Internet (RADNET) | | |
| AS4436 | GTT Communications (AS4436) (Formerly known as nLayer Communications) |  | |
| AS4444 | CISNet (CISNet) | ||
| AS4447 | HOOKEDCOM (HOOKEDCOM) | ||
| AS4455 | BSO (BSO) |  | |
| AS4459 | KDDIA-NET (KDDIA-NET) | ||
| AS4466 | ASATTIDNS | ||
| AS4474 | TCT West, Inc. (TCT, Tri County Telephone Association Inc) | | |
| AS4508 | NeuStyle (NeuStyle) |  | |
| AS4528 | The University of Hong Kong (HKU) |  | |
| AS4538 | China Education and Research Network Center (China Education and Research Network Center) |  | |
| AS4540 | Sogetel (Sogetel) | | |
| AS4543 | TIMESNET (The New York Times) | | |
| AS4556 | PacketFabric (PacketFabric) | | |
| AS4557 | SETG (Southeast Texas GigaPOP) | | |
| AS4558 | KIXP (KIXP) |  | |
| AS4565 | GTT Communications (AS4565) (MegaPath, DSL.NET, Netifice Communications, Epoch Internet) | | |
| AS4575 | CyberHouse (CyberHouse) | ||
| AS4578 | NETCENTER (NETCENTER) | ||
| AS4581 | Socket Telecom, LLC (Socket Internet Services) | ||
| AS4589 | GTT Communications (AS4589) (Easynet (4589), MDNX (8190), NETCOM (5571), Solution1, CI-NET (8844), GRIFFIN (20500), Telecomplete/Fused (6320)) | | |
| AS4594 | Internet Solutions Limited (ISL) | | |
| AS4600 | Oregon GigaPOP (Link Oregon - Research & Education Network (LOREN)) | ||
| AS4608 | APNIC (Asia Pacific Network Information Centre) |  | |
| AS4609 | Macau CTM (CTM) |  | |
| AS4610 | Odyssey Networks New Zealand (Vocus) | | |
| AS4617 | Borneo-IX Route Servers (Borneo-IX Route Servers) |  | |
| AS4618 | Internet Thailand (INET) (INET-TH , INET) |  | |
| AS4621 | UNINET-TH (Research and Education Network) | |