| 2600::/12 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 2603:5000::/24 | WHOIS (ARIN) | Cisco Systems Cloud Division | US |
| 2603:5000::/24 | ARIN assigned | — | US |
| 2603:5000:60::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:70::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:80::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:90::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:3000::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:3010::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:3020::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:3030::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:3060::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:3070::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:3080::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:3090::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:4060::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:4070::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:4080::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:4090::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5001:10::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5001:20::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5001:30::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5001:40::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5001:3000::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5001:3010::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5001:3020::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5001:3030::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5001:3040::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5001:4010::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5001:4020::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5001:4030::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5001:4040::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5002:10::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5002:30::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5002:40::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5002:50::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5002:60::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5002:3000::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5002:3020::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5002:3030::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5002:3040::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5002:3050::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5002:3060::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5002:4020::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5002:4030::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5002:4040::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5002:4050::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5002:4060::/44 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:3050::/48 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:3052::/48 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:3053::/48 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:4050::/48 | BGP route | AS36692 Cisco OpenDNS, LLC | — |
| 2603:5000:4051::/48 | BGP route | AS36692 Cisco OpenDNS, LLC | — |