| US | AS397982 | GRAND MOUND COOPERATIVE TELEPHONE ASSOCIATION |
| US | AS18519 | MTC Technologies |
| US | AS62773 | Weis Capital, Inc |
| US | AS393939 | RUFFALO NOEL LEVITZ LLC |
| US | AS46892 | Winnebago Cooperative Telecom Association |
| US | AS3410 | Cornell College |
| US | AS30536 | CCR |
| US | AS400706 | Heart of Iowa Communications Cooperative |
| US | AS399207 | ACCU-MOLD LLC |
| US | AS46627 | Aureon Network Services |
| US | AS394147 | MAQUOKETA VALLEY ELECTRIC COOPERATIVE |
| US | AS394911 | Comm1 |
| US | AS397475 | F&B Communications, Inc. |
| US | AS398915 | Sharon Telephone Company |
| US | AS399617 | Satellite Center, LLC |
| US | AS393308 | City of Iowa City |
| US | AS20273 | WCCTA |
| US | AS393909 | JDC Data |
| US | AS395580 | Central College |
| US | AS395582 | Grand River Mutual Telephone Corporation |
| US | AS22336 | Pella Corporation |
| US | AS40837 | Goldfield Telephone Company, LLC |
| US | AS26123 | Independence Telecommunications Utility |
| US | AS6141 | Grinnell Mutual Reinsurance Company |
| US | AS62886 | OMNITEL |
| US | AS33690 | Aureon Network Services |
| US | AS396969 | Strada Communications |
| US | AS20144 | l.root-servers.net |
| US | AS400152 | NEW Cooperative |
| US | AS62643 | Evertek, Inc |
| US | AS63394 | Eastern Iowa IP |
| US | AS400417 | Central Iowa Power Cooperative |
| US | AS399530 | Cambridge Investment Research, Inc. |
| US | AS397305 | FMCTC |
| US | AS400405 | Fort Dodge Fiber |
| US | AS26400 | IAMO Telephone Company |
| US | AS396161 | Des Moines Airport Authority |
| US | AS20135 | Millennium Telcom LLC |
| US | AS23538 | Johnson County Iowa |
| US | AS16612 | NEIT Services, LLC |
| US | AS395876 | Huxley Communications Cooperative |
| US | AS40350 | Key Cooperative |
| US | AS36358 | City of Des Moines |
| US | AS397016 | Hawkeye Telephone Company |
| US | AS25711 | Vermeer Manufacturing Company |
| US | AS13356 | Panora Telco |
| US | AS30545 | Landus Cooperative |
| US | AS62825 | Walnut Communications |
| US | AS23092 | Internet Services United Networks |
| US | AS399559 | Alpine Communications L.C. |
