| 67.0.0.0/8 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 67.55.128.0/17 | BGP route | AS5056 Aureon Network Services | — |
| 67.55.128.0/17 | WHOIS (ARIN) | Aureon Network Services | US |
| 67.55.128.0/17 | ARIN assigned | — | US |
| 67.55.128.0/22 | WHOIS (ARIN) | Central Scott Telephone | US |
| 67.55.144.0/22 | BGP route | AS53347 Premier Communications | — |
| 67.55.200.0/22 | BGP route | AS402135 Citizens Mutual Telephone Cooperative | — |
| 67.55.200.0/22 | WHOIS (ARIN) | Citizens Mutual Telephone Company | US |
| 67.55.248.0/22 | WHOIS (ARIN) | Panora Cooperative Telephone Association | US |
| 67.55.148.0/23 | WHOIS (ARIN) | Premier Communications | US |
| 67.55.182.0/23 | BGP route | AS65778 | — |
| 67.55.182.0/23 | WHOIS (ARIN) | Sully Telephone Associastion | US |
| 67.55.184.0/23 | BGP route | AS5056 Aureon Network Services | — |
| 67.55.184.0/23 | WHOIS (ARIN) | Mutual Telephone of Morning Sun | US |
| 67.55.190.0/23 | BGP route | AS62886 OMNITEL COMMUNICATIONS | — |
| 67.55.190.0/23 | WHOIS (ARIN) | OMNITEL COMMUNICATIONS | US |
| 67.55.192.0/23 | WHOIS (ARIN) | South Slope Cooperative Telephone | US |
| 67.55.196.0/23 | WHOIS (ARIN) | Internet Solver | US |
| 67.55.210.0/23 | BGP route | AS63394 Eastern Iowa IP, LLC | — |
| 67.55.210.0/23 | WHOIS (ARIN) | Eastern Iowa IP, LLC | US |
| 67.55.214.0/23 | WHOIS (ARIN) | Brooklyn Mutual Telephone Co. | US |
| 67.55.224.0/23 | BGP route | AS53347 Premier Communications | — |
| 67.55.224.0/23 | WHOIS (ARIN) | MTCNet | US |
| 67.55.228.0/23 | BGP route | AS63394 Eastern Iowa IP, LLC | — |
| 67.55.228.0/23 | WHOIS (ARIN) | Eastern Iowa IP, LLC | US |
| 67.55.234.0/23 | BGP route | AS398052 Mechanicsville Telephone Company | — |
| 67.55.234.0/23 | WHOIS (ARIN) | Mechanicsville Telephone Company | US |
| 67.55.242.0/23 | BGP route | AS16612 NEIT Services, LLC | — |
| 67.55.242.0/23 | WHOIS (ARIN) | Northeast Iowa Telephone Company | US |
| 67.55.132.0/24 | WHOIS (ARIN) | American Institute of Business | US |
| 67.55.134.0/24 | BGP route | AS20273 WCCTA | — |
| 67.55.134.0/24 | WHOIS (ARIN) | Webster Calhoun Telephone Co | US |
| 67.55.135.0/24 | BGP route | AS399559 Alpine Communications L.C. | — |
| 67.55.135.0/24 | WHOIS (ARIN) | Butler-Bremer Mutual Telephone | US |
| 67.55.137.0/24 | BGP route | AS18883 FiberNet Communications L.C. | — |
| 67.55.137.0/24 | WHOIS (ARIN) | FiberNet Communications L.C. | US |
| 67.55.139.0/24 | BGP route | AS53347 Premier Communications | — |
| 67.55.139.0/24 | WHOIS (ARIN) | Premier Communications | US |
| 67.55.141.0/24 | WHOIS (ARIN) | Northeast Iowa Telephone | US |
| 67.55.143.0/24 | BGP route | AS396878 Spencer Municipal Utilities | — |
| 67.55.143.0/24 | WHOIS (ARIN) | R & D Industries, Inc. | US |
| 67.55.145.0/24 | BGP route | AS53347 Premier Communications | — |
| 67.55.146.0/24 | BGP route | AS53347 Premier Communications | — |
| 67.55.147.0/24 | BGP route | AS53347 Premier Communications | — |
| 67.55.150.0/24 | BGP route | AS5056 Aureon Network Services | — |
| 67.55.150.0/24 | WHOIS (ARIN) | Springville Telephone | US |
| 67.55.151.0/24 | BGP route | AS54374 WMTel | — |
| 67.55.151.0/24 | WHOIS (ARIN) | Woolstock Mutual Telephone | US |
| 67.55.152.0/24 | BGP route | AS63394 Eastern Iowa IP, LLC | — |
| 67.55.152.0/24 | WHOIS (ARIN) | Eastern Iowa IP, LLC | US |
| 67.55.154.0/24 | BGP route | AS30325 South Slope Cooperative Telephone Company | — |
| 67.55.154.0/24 | WHOIS (ARIN) | South Slope Cooperative Telephone | US |
| 67.55.155.0/24 | BGP route | AS19628 Mahaska Communication Group, LLC | — |
| 67.55.155.0/24 | WHOIS (ARIN) | OCG Musco Corp | US |
| 67.55.156.0/24 | BGP route | AS5056 Aureon Network Services | — |
| 67.55.156.0/24 | WHOIS (ARIN) | Olin Telephone Company | US |
| 67.55.157.0/24 | WHOIS (ARIN) | Spencer Municipal Utilities | US |
| 67.55.160.0/24 | BGP route | AS5056 Aureon Network Services | — |
| 67.55.160.0/24 | WHOIS (ARIN) | Preston Telephone Company | US |
| 67.55.161.0/24 | BGP route | AS53347 Premier Communications | — |
| 67.55.163.0/24 | BGP route | AS395876 Huxley Communications Cooperative | — |
| 67.55.163.0/24 | WHOIS (ARIN) | Huxley Coop Tel | US |
| 67.55.164.0/24 | BGP route | AS397305 FMCTC | — |
| 67.55.164.0/24 | WHOIS (ARIN) | Marne & Elk Horn Telephone Company | US |
| 67.55.168.0/24 | BGP route | AS5056 Aureon Network Services | — |
| 67.55.169.0/24 | BGP route | AS396443 Western Iowa Networks | — |
| 67.55.169.0/24 | WHOIS (ARIN) | Western Iowa Networks | US |
| 67.55.170.0/24 | BGP route | AS63394 Eastern Iowa IP, LLC | — |
| 67.55.170.0/24 | WHOIS (ARIN) | Eastern Iowa IP, LLC | US |
| 67.55.171.0/24 | BGP route | AS5056 Aureon Network Services | — |
| 67.55.171.0/24 | WHOIS (ARIN) | Wyoming Mutual Telephone Company | US |
| 67.55.177.0/24 | BGP route | AS5056 Aureon Network Services | — |
| 67.55.177.0/24 | WHOIS (ARIN) | CLARENCE TELEPHONE COMPANY., INC | US |
| 67.55.181.0/24 | BGP route | AS5056 Aureon Network Services | — |
| 67.55.181.0/24 | WHOIS (ARIN) | Farmers & Merchants Mutual Telephone Co | US |
| 67.55.186.0/24 | WHOIS (ARIN) | Nextlink Broadband | US |
| 67.55.187.0/24 | BGP route | AS402135 Citizens Mutual Telephone Cooperative | — |
| 67.55.187.0/24 | WHOIS (ARIN) | Citizens Mutual Telephone Company | US |
| 67.55.192.0/24 | BGP route | AS30325 South Slope Cooperative Telephone Company | — |
| 67.55.193.0/24 | BGP route | AS30325 South Slope Cooperative Telephone Company | — |
| 67.55.194.0/24 | BGP route | AS62825 Walnut Communications | — |
| 67.55.194.0/24 | WHOIS (ARIN) | Walnut Communications | US |
| 67.55.195.0/24 | BGP route | AS399559 Alpine Communications L.C. | — |
| 67.55.195.0/24 | WHOIS (ARIN) | Alpine Communications L.C. | US |
| 67.55.199.0/24 | BGP route | AS13356 Panora Telco | — |
| 67.55.199.0/24 | WHOIS (ARIN) | Coon Valley Cooperative Telephone Association | US |
| 67.55.204.0/24 | BGP route | AS397475 F&B Communications, Inc. | — |
| 67.55.204.0/24 | WHOIS (ARIN) | F&B Communications, Inc. | US |
| 67.55.205.0/24 | BGP route | AS20273 WCCTA | — |
| 67.55.205.0/24 | WHOIS (ARIN) | Webster Calhoun Telephone Co | US |
| 67.55.207.0/24 | WHOIS (ARIN) | Central Scott Telephone Co. | US |
| 67.55.208.0/24 | BGP route | AS402135 Citizens Mutual Telephone Cooperative | — |
| 67.55.208.0/24 | WHOIS (ARIN) | Citizens Mutual Telephone Cooperative | US |
| 67.55.209.0/24 | WHOIS (ARIN) | Premier Communications | US |
| 67.55.216.0/24 | BGP route | AS62825 Walnut Communications | — |
| 67.55.219.0/24 | WHOIS (ARIN) | Eastern Iowa IP, LLC | US |
| 67.55.220.0/24 | BGP route | AS46892 Winnebago Cooperative Telecom Association | — |
| 67.55.221.0/24 | BGP route | AS396461 Liberty Communications | — |
| 67.55.223.0/24 | BGP route | AS30325 South Slope Cooperative Telephone Company | — |
| 67.55.225.0/24 | BGP route | AS53347 Premier Communications | — |
| 67.55.226.0/24 | BGP route | AS398915 Sharon Telephone Company | — |