| 64.0.0.0/8 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 64.43.224.0/19 | BGP route | AS18704 T-Systems North America, Inc. | — |
| 64.43.224.0/19 | WHOIS (ARIN) | T-Systems North America, Inc. | — |
| 64.43.224.0/19 | ARIN assigned | — | US |
| 64.43.224.0/20 | BGP route | AS18704 T-Systems North America, Inc. | — |
| 64.43.240.0/20 | BGP route | AS18704 T-Systems North America, Inc. | — |
| 64.43.232.0/22 | BGP route | AS33633 USG Corporation, Inc. | — |
| 64.43.232.0/22 | WHOIS (ARIN) | USG Corporation, Inc. | US |
| 64.43.232.0/23 | BGP route | AS33633 USG Corporation, Inc. | — |
| 64.43.234.0/23 | BGP route | AS33633 USG Corporation, Inc. | — |
| 64.43.225.0/24 | BGP route | AS18704 T-Systems North America, Inc. | — |
| 64.43.230.0/24 | BGP route | AS2773 Deutsche Telekom AG | — |
| 64.43.231.0/24 | BGP route | AS2773 Deutsche Telekom AG | — |
| 64.43.240.0/24 | BGP route | AS2773 Deutsche Telekom AG | — |
| 64.43.240.0/24 | WHOIS (ARIN) | Deutsche Telekom North America, Inc | US |
| 64.43.244.0/24 | BGP route | AS2773 Deutsche Telekom AG | — |
| 64.43.244.0/24 | WHOIS (ARIN) | Deutsche Telekom North America, Inc | US |
| 64.43.245.0/24 | BGP route | AS18704 T-Systems North America, Inc. | — |
| 64.43.250.0/24 | BGP route | AS2773 Deutsche Telekom AG | — |
| 64.43.250.0/24 | WHOIS (ARIN) | Deutsche Telekom North America, Inc | US |
| 64.43.251.0/24 | BGP route | AS18704 T-Systems North America, Inc. | — |
| 64.43.252.0/24 | BGP route | AS2773 Deutsche Telekom AG | — |
| 64.43.252.0/24 | WHOIS (ARIN) | Deutsche Telekom North America, Inc. | US |
| 64.43.230.0/25 | WHOIS (ARIN) | Deutsche Telekom North America, Inc | US |
| 64.43.230.128/25 | WHOIS (ARIN) | T-Systems Canada | CA |
| 64.43.231.0/25 | WHOIS (ARIN) | Deutsche Telekom North America, Inc | US |
| 64.43.231.128/26 | WHOIS (ARIN) | Deutsche Telekom North America, Inc | US |
| 64.43.231.192/26 | WHOIS (ARIN) | T-Systems Canada | CA |
| 64.43.237.224/27 | WHOIS (ARIN) | Juniper Networks, Inc. | US |