| 192.133.148.0/23 | Cisco Public Sector Network | |
| 192.133.152.0/24 | Cisco Public Sector Network | |
| 192.133.154.0/24 | Cisco Public Sector Network | |
| 192.133.155.0/24 | Cisco Public Sector Network | |
| 192.133.157.0/24 | Cisco Public Sector Network | |
| 192.133.158.0/24 | Cisco Public Sector Network | |
| 192.133.159.0/24 | Cisco Public Sector Network | |
| 192.133.162.0/24 | Cisco Public Sector Network | |
| 192.133.176.0/20 | Cisco Public Sector Network | |
| 199.66.188.0/22 | Cisco Public Sector Network | |
| 199.66.190.0/24 | Cisco Public Sector Network | |
| 192.133.144.0/20 | Cisco Public Sector Network | |
| 192.133.160.0/20 | Cisco Public Sector Network | |