| 2600::/12 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 2600:300::/24 | BGP route | AS7018 AT&T Enterprises, LLC | — |
| 2600:300::/24 | WHOIS (ARIN) | AT&T Enterprises, LLC | US |
| 2600:300::/24 | ARIN assigned | — | US |
| 2600:380::/37 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:800::/37 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:1000::/37 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:2000::/37 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:2800::/37 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:3000::/37 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:3800::/37 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:4c00::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:5c00::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:6c00::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:7c00::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:800::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:1800::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:4000::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:4400::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:4800::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:5000::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:5400::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:5800::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:6000::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:6400::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:7000::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:a000::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:a400::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:b000::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:b400::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:b800::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:bc00::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:c00::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:c000::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:c400::/38 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:fe00::/39 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:6a00::/40 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:6b00::/40 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:7a00::/40 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:7b00::/40 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:7d00::/40 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:4500::/40 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:6900::/40 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:7400::/40 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:7500::/40 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:7600::/40 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:7700::/40 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:7800::/40 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:7900::/40 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:8000::/40 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:8400::/40 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:8500::/40 | BGP route | AS20057 AT&T Enterprises, LLC | — |
| 2600:380:8600::/40 | BGP route | AS20057 AT&T Enterprises, LLC | — |