| 40.139.65.248 | 40.139.65.255 | Windstream Communications LLC |
| 40.139.66.0 | 40.139.66.15 | GOLDBERG PERSKY WHITE PC |
| 40.139.66.16 | 40.139.66.23 | Windstream Communications LLC |
| 40.139.66.24 | 40.139.66.31 | SACRED HEART REHABILITATION CENTER - BAY CITY |
| 40.139.66.32 | 40.139.66.39 | DISABILITY ADVOCATES OF KENT COUNTY |
| 40.139.66.40 | 40.139.66.47 | SACRED HEART REHABILITATION CENTER - SAGINAW |
| 40.139.66.48 | 40.139.66.55 | Windstream Communications LLC |
| 40.139.66.56 | 40.139.66.63 | MICHIGAN LUNG & CRITICAL CARE SPECIALISTS |
| 40.139.66.64 | 40.139.66.71 | KELLOGG DENTAL |
| 40.139.66.72 | 40.139.66.75 | Windstream Communications LLC |