| Обявен префикс | Description | Държава | Родителски префикс | RIR |
|---|
| 143.223.0.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.101.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.102.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.103.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.104.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.12.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.141.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.162.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.171.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.175.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.176.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.178.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.180.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.181.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.182.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.183.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.23.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.5.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.8.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
| 143.223.9.0/24 | William Morris Agency, Inc. | United States | 143.223.0.0/16 | ARIN |
