| 205.0.0.0/8 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 205.228.0.0/14 | BGP route | AS701 Verizon Business | — |
| 205.228.0.0/14 | WHOIS (ARIN) | Verizon Business | US |
| 205.228.0.0/14 | ARIN assigned | — | US |
| 205.228.0.0/17 | WHOIS (ARIN) | Morgan Stanley Group Inc. | US |
| 205.228.64.0/19 | BGP route | AS21439 Morgan Stanley & Co. International PLC | — |
| 205.230.112.0/20 | WHOIS (ARIN) | Hunter Douglas | US |
| 205.231.96.0/20 | BGP route | AS4195 D. E. Shaw & Co. LP | — |
| 205.231.96.0/20 | WHOIS (ARIN) | D. E. Shaw & Co. LP | US |
| 205.229.72.0/21 | WHOIS (ARIN) | UGO Networks Inc | US |
| 205.229.136.0/21 | WHOIS (ARIN) | SkyTel | US |
| 205.230.176.0/21 | WHOIS (ARIN) | Queens Internet Service | US |
| 205.231.88.0/21 | BGP route | AS4208 The Iserv Company, LLC | — |
| 205.231.88.0/21 | WHOIS (ARIN) | WS/Iserv Company/Iserv | US |
| 205.231.120.0/21 | WHOIS (ARIN) | Crystal Palace Networking | US |
| 205.231.144.0/21 | WHOIS (ARIN) | Taconic Technology | US |
| 205.231.224.0/21 | WHOIS (ARIN) | Times-Mirror Corporation | US |
| 205.229.116.0/22 | WHOIS (ARIN) | Vision Bahn Corp | US |
| 205.229.152.0/22 | WHOIS (ARIN) | CIMLINC, Inc. | US |
| 205.229.228.0/22 | WHOIS (ARIN) | Frontline Communications Corp. | US |
| 205.230.160.0/22 | WHOIS (ARIN) | Futures Technology on the Net | US |
| 205.230.188.0/22 | WHOIS (ARIN) | Northport-East Northport Union Free School District | US |
| 205.231.128.0/22 | WHOIS (ARIN) | SEI Info Tech | US |
| 205.231.192.0/22 | WHOIS (ARIN) | Econonet | US |
| 205.228.226.0/23 | WHOIS (ARIN) | Pulsar Data Systems | US |
| 205.229.16.0/23 | WHOIS (ARIN) | Hapoalim Securities | US |
| 205.229.20.0/23 | WHOIS (ARIN) | Federal Filings, Inc. | US |
| 205.229.50.0/23 | WHOIS (ARIN) | Echelon | US |
| 205.229.102.0/23 | WHOIS (ARIN) | Interactive Solutions | US |
| 205.230.26.0/23 | WHOIS (ARIN) | Larson Technology | US |
| 205.230.98.0/23 | WHOIS (ARIN) | Reuters/RIT | US |
| 205.230.166.0/23 | WHOIS (ARIN) | Linotype-Hell Company | US |
| 205.230.168.0/23 | WHOIS (ARIN) | Linotype-Hell Company | US |
| 205.230.184.0/23 | WHOIS (ARIN) | Seaford UFSD | US |
| 205.230.186.0/23 | WHOIS (ARIN) | Northport-East Northport Union Free School District | US |
| 205.231.158.0/23 | WHOIS (ARIN) | Workflow Partners | US |
| 205.231.234.0/23 | WHOIS (ARIN) | ISA Consultants Metamor | US |
| 205.228.11.0/24 | BGP route | AS56311 Morgan Stanley Management Service (Singapore) Pte. Ltd | — |
| 205.228.12.0/24 | BGP route | AS5049 Morgan Stanley Group Inc. | — |
| 205.228.15.0/24 | BGP route | AS5049 Morgan Stanley Group Inc. | — |
| 205.228.18.0/24 | BGP route | AS5049 Morgan Stanley Group Inc. | — |
| 205.228.26.0/24 | BGP route | AS56311 Morgan Stanley Management Service (Singapore) Pte. Ltd | — |
| 205.228.37.0/24 | BGP route | AS18221 Morgan Stanley Management Service (Singapore) Pte. Ltd | — |
| 205.228.38.0/24 | BGP route | AS38282 Morgan Stanley Management Service (Singapore) Pte. Ltd | — |
| 205.228.41.0/24 | BGP route | AS56311 Morgan Stanley Management Service (Singapore) Pte. Ltd | — |
| 205.228.50.0/24 | BGP route | AS56311 Morgan Stanley Management Service (Singapore) Pte. Ltd | — |
| 205.228.51.0/24 | BGP route | AS56311 Morgan Stanley Management Service (Singapore) Pte. Ltd | — |
| 205.228.53.0/24 | BGP route | AS5049 Morgan Stanley Group Inc. | — |
| 205.228.54.0/24 | BGP route | AS5049 Morgan Stanley Group Inc. | — |
| 205.228.96.0/24 | BGP route | AS18258 Morgan Stanley Japan Group Co., Ltd. | — |
| 205.228.99.0/24 | BGP route | AS10082 Morgan Stanley Management Service (Singapore) Pte. Ltd | — |
| 205.228.101.0/24 | BGP route | AS10082 Morgan Stanley Management Service (Singapore) Pte. Ltd | — |
| 205.228.102.0/24 | BGP route | AS10082 Morgan Stanley Management Service (Singapore) Pte. Ltd | — |
| 205.228.104.0/24 | BGP route | AS18258 Morgan Stanley Japan Group Co., Ltd. | — |
| 205.228.106.0/24 | BGP route | AS10082 Morgan Stanley Management Service (Singapore) Pte. Ltd | — |
| 205.228.108.0/24 | BGP route | AS18258 Morgan Stanley Japan Group Co., Ltd. | — |
| 205.228.109.0/24 | BGP route | AS10082 Morgan Stanley Management Service (Singapore) Pte. Ltd | — |
| 205.228.111.0/24 | BGP route | AS10082 Morgan Stanley Management Service (Singapore) Pte. Ltd | — |
| 205.228.112.0/24 | BGP route | AS56080 Morgan Stanley Management Service (Singapore) Pte. Ltd | — |
| 205.228.118.0/24 | BGP route | AS18258 Morgan Stanley Japan Group Co., Ltd. | — |
| 205.228.122.0/24 | BGP route | AS56080 Morgan Stanley Management Service (Singapore) Pte. Ltd | — |
| 205.228.123.0/24 | BGP route | AS18258 Morgan Stanley Japan Group Co., Ltd. | — |
| 205.228.124.0/24 | BGP route | AS10082 Morgan Stanley Management Service (Singapore) Pte. Ltd | — |
| 205.228.169.0/24 | WHOIS (ARIN) | Jagat Technology, Inc. | US |
| 205.228.174.0/24 | WHOIS (ARIN) | Star Paging, Inc. | US |
| 205.228.185.0/24 | WHOIS (ARIN) | Lynx Technologies | US |
| 205.228.230.0/24 | WHOIS (ARIN) | USConnect Miami | US |
| 205.228.245.0/24 | BGP route | AS7270 IDT Corporation | — |
| 205.229.18.0/24 | WHOIS (ARIN) | I-3 Telecom | US |
| 205.229.28.0/24 | WHOIS (ARIN) | Greatis USA, Inc. | US |
| 205.229.34.0/24 | WHOIS (ARIN) | Ayrix -- Internal Use -- | US |
| 205.229.37.0/24 | WHOIS (ARIN) | Ayrix -- Internal Web Hosting -- | US |
| 205.229.40.0/24 | WHOIS (ARIN) | AVS Internet | US |
| 205.229.43.0/24 | WHOIS (ARIN) | Capitol Internet | US |
| 205.229.64.0/24 | WHOIS (ARIN) | Comport Consulting Corporation | US |
| 205.229.69.0/24 | WHOIS (ARIN) | Unisource Office Ser | US |
| 205.229.82.0/24 | WHOIS (ARIN) | Host-All.com | US |
| 205.229.85.0/24 | WHOIS (ARIN) | Universal Health Ser | US |
| 205.229.98.0/24 | WHOIS (ARIN) | ULvac Technologies | US |
| 205.229.101.0/24 | BGP route | AS21759 National Rural Utilities Cooperative Finance Corporation | — |
| 205.229.101.0/24 | WHOIS (ARIN) | National Rural Utilities Co-operative Finance Corporation | US |
| 205.229.109.0/24 | WHOIS (ARIN) | Dataware Technologies, Inc. | US |
| 205.229.112.0/24 | WHOIS (ARIN) | Haven Capital Management | US |
| 205.231.102.0/24 | BGP route | AS4195 D. E. Shaw & Co. LP | — |
| 205.231.104.0/24 | BGP route | AS4195 D. E. Shaw & Co. LP | — |