| 2600:6c18:21:: | 2600:6c18:24:ffff:ffff:ffff:ffff:ffff | Charter Communications LLC |
| 2600:6c18:25:: | 2600:6c18:25:ffff:ffff:ffff:ffff:ffff | HEALTHSOURCE SAGINAW |
| 2600:6c18:26:: | 2600:6c18:26:ffff:ffff:ffff:ffff:ffff | Charter Communications LLC |
| 2600:6c18:27:: | 2600:6c18:27:ffff:ffff:ffff:ffff:ffff | C2G TECHNICAL SERVICES |
| 2600:6c18:28:: | 2600:6c18:28:ffff:ffff:ffff:ffff:ffff | YMCA OF GREATER GRAND RAPIDS NATIONAL |
| 2600:6c18:29:: | 2600:6c18:29:ffff:ffff:ffff:ffff:ffff | HUHTAMAKI INC HQ |
| 2600:6c18:2a:: | 2600:6c18:2b:ffff:ffff:ffff:ffff:ffff | Charter Communications LLC |
| 2600:6c18:2c:: | 2600:6c18:2c:ffff:ffff:ffff:ffff:ffff | SPECTRUM FIBER DELIVERY RETAIL STORE |
| 2600:6c18:2d:: | 2600:6c18:2d:ffff:ffff:ffff:ffff:ffff | ALPENA ALCONA AREA CREDIT UNION |
| 2600:6c18:2e:: | 2600:6c18:2e:ffff:ffff:ffff:ffff:ffff | WOLVERINE STATE CREDIT UNION |