IPv6 in United StatesThese graphs show the evolution of default protocol, v6 address types, and average bandwidth in United States over time.
They are generated using the data collected by the ipv6-test.com connection test page, and are updated on a monthly basis.
This graph shows the evolution of IPv6 support vs IPv4 for all our connection test.
The numbers are percentages, so we can expect almost 100% of hosts supporting IPv4 with a slow growth for IPv6.
| ISP | IPv6 tests count | |
|---|---|---|
| 1. | Spectrum | 6,281 |
| 2. | Comcast Cable Communications, LLC | 6,193 |
| 3. | Hurricane Electric LLC | 2,358 |
| 4. | Cellco Partnership DBA Verizon Wireless | 2,337 |
| 5. | AT&T Services, Inc. | 2,324 |
| 6. | Cox Communications Inc. | 1,433 |
| 7. | Cloudflarewarp | 921 |
| 8. | Google LLC | 871 |
| 9. | T-Mobile USA, Inc. | 486 |
| 10. | CenturyLink Communications, LLC | 410 |
| 11. | AT&T Mobility LLC | 297 |
| 12. | Mediacom Communications Corp | 257 |
| 13. | Choopa | 250 |
| 14. | Sprint | 204 |
| 15. | Google Fiber Inc. | 170 |
| 16. | QuadraNet Enterprises LLC | 166 |
| 17. | Verizon Communications | 120 |
| 18. | CarolinaConnect Cooperative | 103 |
| 19. | DigitalOcean, LLC | 101 |
| 20. | Total Server Solutions L.L.C. | 101 |
| 21. | Linode, LLC | 92 |
| 22. | M247 Ltd | 73 |
| 23. | Condointernet.net | 72 |
| 24. | Connecticut Education Network | 72 |
| 25. | FranTech Solutions | 71 |
This graph shows the evolution of IPv6 support vs IPv4 for unique users of our connection test.
The numbers are percentages, so we can expect a slow growth towards 50% v4 / 50% v6.
| ISP | Unique IPv6 addresses | |
|---|---|---|
| 1. | Comcast Cable Communications, LLC | 3,683 |
| 2. | Spectrum | 3,204 |
| 3. | Cellco Partnership DBA Verizon Wireless | 1,514 |
| 4. | AT&T Services, Inc. | 1,437 |
| 5. | Hurricane Electric LLC | 956 |
| 6. | Cox Communications Inc. | 786 |
| 7. | Cloudflarewarp | 489 |
| 8. | T-Mobile USA, Inc. | 335 |
| 9. | CenturyLink Communications, LLC | 232 |
| 10. | AT&T Mobility LLC | 226 |
| 11. | Mediacom Communications Corp | 156 |
| 12. | Google Fiber Inc. | 124 |
| 13. | Sprint | 116 |
| 14. | Choopa | 96 |
| 15. | Google LLC | 77 |
| 16. | Verizon Communications | 58 |
| 17. | Connecticut Education Network | 50 |
| 18. | Condointernet.net | 47 |
| 19. | Chinanet | 42 |
| 20. | M247 Ltd | 41 |
| 21. | Midcontinent Communications | 39 |
| 22. | Frontier Communications Solutions | 36 |
| 23. | DigitalOcean, LLC | 34 |
| 24. | Cincinnati Bell Telephone Company LLC | 30 |
| 25. | Monkey Brains | 30 |
This graph shows the percentage of browsers that default to IPv6 vs. IPv4 when visiting the ipv6-test connection test.
Hopefully, in the not so distant future, the v6 part will grow taller than the v4 one.
This graph shows the percentage of browsers that default to IPv6 vs. IPv4 for users that have both v4 and v6 connectivity.
Usually a system will default to v6 when it's available, but in some cases with tunneled connections, v4 stays the default.
| ISP | Test count | IPv4 | IPv4 % | IPv6 | IPv6 % | |
|---|---|---|---|---|---|---|
| 1. | Gf-lax | 17 | 0 | 0.0% | 17 | 100.0% |
| 2. | FirstDigital Communications | 7 | 0 | 0.0% | 7 | 100.0% |
| 3. | Sho Me Technologies, LLC | 5 | 0 | 0.0% | 5 | 100.0% |
| 4. | Symantec Corporation | 20 | 0 | 0.0% | 20 | 100.0% |
| 5. | Microsoft Corp | 5 | 0 | 0.0% | 5 | 100.0% |
| 6. | The Light Plant Commission of the City of Paragould | 5 | 0 | 0.0% | 5 | 100.0% |
| 7. | Simply Cyber Inc | 6 | 0 | 0.0% | 6 | 100.0% |
| 8. | The Municipal Communications Utility of the City of Cedar Falls, Iowa | 5 | 0 | 0.0% | 5 | 100.0% |
| 9. | Cstnet | 7 | 0 | 0.0% | 7 | 100.0% |
| 10. | Greenlight Networks | 6 | 0 | 0.0% | 6 | 100.0% |
| 11. | Nynex | 17 | 0 | 0.0% | 17 | 100.0% |
| 12. | Tierzero | 5 | 0 | 0.0% | 5 | 100.0% |
| 13. | xTom.com | 5 | 0 | 0.0% | 5 | 100.0% |
| 14. | NetSpeed LLC | 7 | 0 | 0.0% | 7 | 100.0% |
| 15. | Eonix Corporation | 7 | 0 | 0.0% | 7 | 100.0% |
| 16. | Hughes Network Systems | 22 | 0 | 0.0% | 22 | 100.0% |
| 17. | ProXad network / Free | 5 | 0 | 0.0% | 5 | 100.0% |
| 18. | QuadraNet Enterprises LLC | 166 | 2 | 1.2% | 164 | 98.8% |
| 19. | 63 | 2 | 3.2% | 61 | 96.8% | |
| 20. | RIPE Network Coordination Center | 30 | 1 | 3.3% | 29 | 96.7% |
| 21. | Wowrack.com | 19 | 1 | 5.3% | 18 | 94.7% |
| 22. | Digi Desert LLC | 43 | 3 | 7.0% | 40 | 93.0% |
| 23. | Cellco Partnership DBA Verizon Wireless | 2,337 | 177 | 7.6% | 2,160 | 92.4% |
| 24. | Sprint | 204 | 16 | 7.8% | 188 | 92.2% |
| 25. | T-Mobile USA, Inc. | 486 | 40 | 8.2% | 446 | 91.8% |
This graph illustrates the connection speed gap between IPv4 and IPv6, numbers represent v6 speed as percentage of v4 speed.
The lower IPv6 speeds are often caused by tunneling overhead or insufficient v6 connectivity or peering capacity at ISPs.
| ISP | Test count | IPv6 average | |
|---|---|---|---|
| 1. | Ovh Sas | 7 | 317.2 Mbps |
| 2. | Midcontinent Communications | 63 | 213.5 Mbps |
| 3. | Choopa | 250 | 111.3 Mbps |
| 4. | Comcast Cable Communications, LLC | 6,193 | 93.6 Mbps |
| 5. | Webpass Inc. | 41 | 91.1 Mbps |
| 6. | Spectrum | 6,281 | 88.3 Mbps |
| 7. | ICS Advanced Technologies | 8 | 84.0 Mbps |
| 8. | Cox Communications Inc. | 1,433 | 75.2 Mbps |
| 9. | M247 Ltd | 73 | 71.9 Mbps |
| 10. | Digi Desert LLC | 43 | 69.1 Mbps |
| 11. | Mediacom Communications Corp | 257 | 68.1 Mbps |
| 12. | CenturyLink Communications, LLC | 410 | 68.1 Mbps |
| 13. | Google LLC | 871 | 66.7 Mbps |
| 14. | Amazon.com | 10 | 65.8 Mbps |
| 15. | Quintex Alliance Consulting | 44 | 63.3 Mbps |
| 16. | Hurricane Electric LLC | 2,358 | 62.1 Mbps |
| 17. | Cincinnati Bell Telephone Company LLC | 38 | 61.4 Mbps |
| 18. | Google Fiber Inc. | 170 | 60.1 Mbps |
| 19. | DigitalOcean, LLC | 101 | 59.8 Mbps |
| 20. | Verizon Communications | 120 | 52.7 Mbps |
| 21. | AT&T Services, Inc. | 2,324 | 47.7 Mbps |
| 22. | Monkey Brains | 56 | 47.4 Mbps |
| 23. | Hancock Rural Telephone Corp. | 10 | 45.5 Mbps |
| 24. | 63 | 45.0 Mbps | |
| 25. | Linode | 59 | 36.2 Mbps |