今回、当協議会では、普及状況の把握に賛同頂けるISPの協力を得て、フレッツ光ネクスト、
およびその他のネットワークについて、IPv6での接続が可能なアカウント数の割合を収集し、
IPv6普及状況の指標のひとつとして公開することにしました。
【集計結果】
■ フレッツ光ネクストのIPv6普及率
|
NGN IPv6契約数 |
NGN 契約数 |
NGN IPv6普及率 |
| 2012.12 |
67,000 |
8,127,000 |
0.8% |
| 2013.03 |
121,000 |
8,595,000 |
1.4% |
| 2013.06 |
182,000 |
9,094,000 |
2.0% |
| 2013.09 |
235,000 |
9,506,000 |
2.5% |
| 2013.12 |
287,000 |
10,741,000 |
2.7% |
| 2014.03 |
357,000 |
11,301,000 |
3.2% |
| 2014.06 |
426,000 |
13,588,000 |
3.1% |
| 2014.09 |
613,000 |
15,805,000 |
3.9% |
| 2014.12 |
854,000 |
16,122,000 |
5.3% |
| 2015.03 |
996,000 |
16,386,000 |
6.1% |
| 2015.06 |
1,474,000 |
16,782,000 |
8.8% |
| 2015.09 |
1,803,000 |
16,990,000 |
10.6% |
| 2015.12 |
2,183,000 |
17,270,000 |
12.6% |
| 2016.03 |
2,590,000 |
17,528,000 |
14.8% |
| 2016.06 |
3,208,000 |
17,941,000 |
17.9% |
| 2016.09 |
3,813,000 |
18,337,000 |
20.8% |
| 2016.12 |
4,282,000 |
18,675,000 |
22.9% |
| 2017.03 |
5,797,000 |
18,980,000 |
30.5% |
| 2017.06 |
7,074,000 |
19,387,000 |
36.5% |
| 2017.09 |
7,695,000 |
19,637,000 |
39.2% |
| 2017.12 |
8,557,000 |
19,869,000 |
43.1% |
| 2018.03 |
9,662,000 |
20,079,000 |
48.1% |
| 2018.06 |
10,659,000 |
20,182,000 |
52.8% |
| 2018.09 |
11,283,000 |
20,615,000 |
54.7% |
| 2018.12 |
12,056,000 |
20,849,000 |
57.8% |
| 2019.03 |
13,565,000 |
21,049,000 |
64.4% |
| 2019.06 |
14,012,000 |
21,230,000 |
66.0% |
| 2019.09 |
14,579,000 |
21,390,000 |
68.2% |
| 2019.12 |
15,262,000 |
21,540,000 |
70.9% |
| 2020.03 |
15,631,000 |
21,651,000 |
72.2% |
| 2020.06 |
16,327,000 |
21,908,000 |
74.5% |
| 2020.09 |
16,846,000 |
22,124,000 |
76.1% |
| 2020.12 |
17,277,000 |
22,334,000 |
77.4% |
| 2021.03 |
18,055,000 |
22,563,000 |
80.0% |
注：実際の普及率よりも値が低く出る（算出方法（2）参照）
参考）フレッツ光ネクスト以外のネットワークのIPv6普及率
|
KDDI AUひかり |
CTCコミュファ光 |
| 2012.12 |
55% |
24% |
| 2013.03 |
61% |
29% |
| 2013.06 |
63% |
36% |
| 2013.09 |
65% |
40% |
| 2013.12 |
66% |
44% |
| 2014.03 |
67% |
48% |
| 2014.06 |
68% |
53% |
| 2014.09 |
99% |
58% |
| 2014.12 |
Complete |
64% |
| 2015.03 |
Complete |
70% |
| 2015.06 |
Complete |
75% |
| 2015.09 |
Complete |
78% |
| 2015.12 |
Complete |
81% |
| 2016.03 |
Complete |
84% |
| 2016.06 |
Complete |
87% |
| 2016.09 |
Complete |
88% |
| 2016.12 |
Complete |
90% |
| 2017.03 |
Complete |
91% |
| 2017.06 |
Complete |
93% |
| 2017.09 |
Complete |
94% |
| 2017.12 |
Complete |
94% |
| 2018.03 |
Complete |
95% |
| 2018.06 |
Complete |
96% |
| 2018.09 |
Complete |
97% |
| 2018.12 |
Complete |
97% |
| 2019.03 |
Complete |
99% |
| 2019.06 |
Complete |
99% |
| 2019.09 |
Complete |
Complete |
| 2019.12 |
Complete |
Complete |
| 2020.03 |
Complete |
Complete |
| 2020.06 |
Complete |
Complete |
| 2020.09 |
Complete |
Complete |
| 2020.12 |
Complete |
Complete |
| 2021.03 |
Complete |
Complete |
