| 173.0.0.0/8 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 173.215.0.0/17 | BGP route | AS5056 Aureon Network Services | — |
| 173.215.0.0/17 | WHOIS (ARIN) | Aureon Network Services | US |
| 173.215.0.0/17 | ARIN assigned | — | US |
| 173.215.4.0/22 | BGP route | AS46154 Farmers Mutual Telephone Company | — |
| 173.215.4.0/23 | BGP route | AS46154 Farmers Mutual Telephone Company | — |
| 173.215.4.0/23 | WHOIS (ARIN) | Farmers Mutual Telephone Company | US |
| 173.215.6.0/23 | BGP route | AS46154 Farmers Mutual Telephone Company | — |
| 173.215.6.0/23 | WHOIS (ARIN) | Farmers Mutual Telephone Company | US |
| 173.215.12.0/23 | BGP route | AS13356 Panora Telco | — |
| 173.215.12.0/23 | WHOIS (ARIN) | Panora Cooperative Telephone Assoc., INC | US |
| 173.215.14.0/23 | WHOIS (ARIN) | Eastern Iowa IP, LLC | US |
| 173.215.16.0/23 | BGP route | AS5056 Aureon Network Services | — |
| 173.215.16.0/23 | WHOIS (ARIN) | GRAND MOUND COOPERATIVE TELEPHONE ASSOCIATION | US |
| 173.215.32.0/23 | BGP route | AS5056 Aureon Network Services | — |
| 173.215.50.0/23 | WHOIS (ARIN) | Western Iowa Networks | US |
| 173.215.56.0/23 | BGP route | AS18883 FiberNet Communications L.C. | — |
| 173.215.56.0/23 | WHOIS (ARIN) | WESTEL SYSTEMS | US |
| 173.215.70.0/23 | BGP route | AS5056 Aureon Network Services | — |
| 173.215.70.0/23 | WHOIS (ARIN) | Brookly Mutual Telephone Co | US |
| 173.215.72.0/23 | WHOIS (ARIN) | Western Iowa Networks | US |
| 173.215.106.0/23 | BGP route | AS5056 Aureon Network Services | — |
| 173.215.108.0/23 | BGP route | AS5056 Aureon Network Services | — |
| 173.215.114.0/23 | BGP route | AS17137 Hawkeye Switching LLC. | — |
| 173.215.114.0/23 | WHOIS (ARIN) | Hawkeye Switching | US |
| 173.215.120.0/23 | BGP route | AS17137 Hawkeye Switching LLC. | — |
| 173.215.120.0/23 | WHOIS (ARIN) | Hawkeye Switching | US |
| 173.215.0.0/24 | BGP route | AS63394 Eastern Iowa IP, LLC | — |
| 173.215.0.0/24 | WHOIS (ARIN) | Eastern Iowa IP, LLC | US |
| 173.215.2.0/24 | BGP route | AS397305 FMCTC | — |
| 173.215.2.0/24 | WHOIS (ARIN) | Farmer's Mutual Telephone | US |
| 173.215.3.0/24 | BGP route | AS399559 Alpine Communications L.C. | — |
| 173.215.3.0/24 | WHOIS (ARIN) | Rockwell Coop Telephone Assn. | US |
| 173.215.8.0/24 | BGP route | AS397446 Midwest Fiber Network, LLC | — |
| 173.215.8.0/24 | WHOIS (ARIN) | Griswold Cooperative Telephone Company | US |
| 173.215.10.0/24 | BGP route | AS20273 WCCTA | — |
| 173.215.10.0/24 | WHOIS (ARIN) | Webster-Calhoun Cooperative Telephone Association | US |
| 173.215.17.0/24 | BGP route | AS397982 GRAND MOUND COOPERATIVE TELEPHONE ASSOCIATION | — |
| 173.215.18.0/24 | WHOIS (ARIN) | Eastern Iowa IP, LLC | US |
| 173.215.19.0/24 | BGP route | AS5056 Aureon Network Services | — |
| 173.215.19.0/24 | WHOIS (ARIN) | Danville Mutual Telephone Company | US |
| 173.215.21.0/24 | WHOIS (ARIN) | Spencer Municipal Utilities | US |
| 173.215.30.0/24 | BGP route | AS399559 Alpine Communications L.C. | — |
| 173.215.30.0/24 | WHOIS (ARIN) | Butler-Bremer Mutual Telephone | US |
| 173.215.31.0/24 | WHOIS (ARIN) | MI FIBER URBANDALE | US |
| 173.215.34.0/24 | BGP route | AS396443 Western Iowa Networks | — |
| 173.215.34.0/24 | WHOIS (ARIN) | Western Iowa Networks | US |
| 173.215.35.0/24 | BGP route | AS5056 Aureon Network Services | — |
| 173.215.35.0/24 | WHOIS (ARIN) | Arcadia Telephone Cooperative | US |
| 173.215.38.0/24 | WHOIS (ARIN) | Clear Lake Independent Tel Co | US |
| 173.215.40.0/24 | BGP route | AS20273 WCCTA | — |
| 173.215.40.0/24 | WHOIS (ARIN) | Webster Calhoun Copperative Telephone | US |
| 173.215.41.0/24 | BGP route | AS54374 WMTel | — |
| 173.215.41.0/24 | WHOIS (ARIN) | Woolstock Mutual Telephohne | US |
| 173.215.42.0/24 | BGP route | AS20273 WCCTA | — |
| 173.215.42.0/24 | WHOIS (ARIN) | Webster Calhoun Copperative Telephone | US |
| 173.215.47.0/24 | BGP route | AS5056 Aureon Network Services | — |
| 173.215.47.0/24 | WHOIS (ARIN) | Mediapolis Telephone Company | US |
| 173.215.50.0/24 | BGP route | AS396443 Western Iowa Networks | — |
| 173.215.51.0/24 | BGP route | AS396443 Western Iowa Networks | — |
| 173.215.52.0/24 | BGP route | AS5056 Aureon Network Services | — |
| 173.215.52.0/24 | WHOIS (ARIN) | Olin Telephone Co, INC. | US |
| 173.215.53.0/24 | BGP route | AS396443 Western Iowa Networks | — |
| 173.215.53.0/24 | WHOIS (ARIN) | Western Iowa Networks | US |
| 173.215.54.0/24 | BGP route | AS397016 Hawkeye Telephone Company | — |
| 173.215.54.0/24 | WHOIS (ARIN) | Hawkeye Telephone Company | US |
| 173.215.55.0/24 | BGP route | AS18883 FiberNet Communications L.C. | — |
| 173.215.55.0/24 | WHOIS (ARIN) | WESTEL SYSTEMS | US |
| 173.215.59.0/24 | WHOIS (ARIN) | Hosper Telephone Company | US |
| 173.215.62.0/24 | BGP route | AS5056 Aureon Network Services | — |
| 173.215.62.0/24 | WHOIS (ARIN) | Van Buren Telephone CO INC. | US |
| 173.215.64.0/24 | BGP route | AS46892 Winnebago Cooperative Telecom Association | — |
| 173.215.64.0/24 | WHOIS (ARIN) | Winnebago Cooperative Telecom Association | US |
| 173.215.65.0/24 | BGP route | AS5056 Aureon Network Services | — |
| 173.215.66.0/24 | BGP route | AS11698 WESTERN IOWA TELEPHONE ASSOCIATION (A COOPERATIVE) | — |
| 173.215.66.0/24 | WHOIS (ARIN) | Western Iowa Telephone | US |
| 173.215.67.0/24 | WHOIS (ARIN) | Nextlink Broadband | US |
| 173.215.72.0/24 | BGP route | AS396443 Western Iowa Networks | — |
| 173.215.73.0/24 | BGP route | AS396443 Western Iowa Networks | — |
| 173.215.74.0/24 | BGP route | AS19628 Mahaska Communication Group, LLC | — |
| 173.215.74.0/24 | WHOIS (ARIN) | OCG Musco Corp MAHASKA-COMMUNICATIONS | US |
| 173.215.75.0/24 | BGP route | AS5056 Aureon Network Services | — |
| 173.215.75.0/24 | WHOIS (ARIN) | Colo Telephone Company | US |
| 173.215.76.0/24 | BGP route | AS5056 Aureon Network Services | — |
| 173.215.79.0/24 | BGP route | AS5056 Aureon Network Services | — |
| 173.215.79.0/24 | WHOIS (ARIN) | Clarence Telephone Co., Inc. | US |
| 173.215.82.0/24 | BGP route | AS399559 Alpine Communications L.C. | — |
| 173.215.82.0/24 | WHOIS (ARIN) | Alpine Communications L.C. | US |
| 173.215.83.0/24 | BGP route | AS63033 S.W.I.F.T. Services LLC | — |
| 173.215.83.0/24 | WHOIS (ARIN) | S.W.I.F.T. Services LLC | US |
| 173.215.85.0/24 | WHOIS (ARIN) | MI FIBER URBANDALE | US |
| 173.215.87.0/24 | BGP route | AS62886 OMNITEL COMMUNICATIONS | — |
| 173.215.87.0/24 | WHOIS (ARIN) | OMNITEL COMMUNICATIONS | US |
| 173.215.113.0/24 | BGP route | AS396443 Western Iowa Networks | — |
| 173.215.113.0/24 | WHOIS (ARIN) | Western Iowa Networks | US |
| 173.215.117.0/24 | BGP route | AS54374 WMTel | — |
| 173.215.117.0/24 | WHOIS (ARIN) | WMTel | US |
| 173.215.119.0/24 | BGP route | AS17137 Hawkeye Switching LLC. | — |
| 173.215.119.0/24 | WHOIS (ARIN) | Hawkeye Switching | US |
| 173.215.122.0/24 | BGP route | AS5056 Aureon Network Services | — |
| 173.215.122.0/24 | WHOIS (ARIN) | Corn Belt Telephone Company | US |