3. ◼ IPv6 Survey (JP domain Web Sites)
• AAAA DNS lookup to 1,692K JP Web sites
• Dec 17 2019, Results
IPv6 Rate Comparison (FQDN)
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Summery
Total IPv6 Count IPv6 Rate
FQDN 1,692,728
+139,289 (8.97)%
50,705
+4,436 (9.59)%
3.00%
+0.02%
Last Month 1,553,439 46,269 2.98%
Domain 533,326
+25,805 (5.08)%
10,345
+782 (8.18)%
1.94%
+0.06%
Last Month 507,521 9,563 1.88%
4. ◼ Difference from last month
IPv6 Rate Comparison (FQDN)
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Progress
Count Count %
FQDN Closed 53
Found new IPv6 FQDN 4,066
Newly IPv6ed FQDN *1 518
Start CDN 310 59.85%
CDN IPv6 on *2 20 3.86%
Others 188 36.29%
FQDN Stop IPv6 95
Stop CDN 74 77.89%
CDN IPv6 off *3 21 22.11%
Others 0 0.00%
*1 whole list https://www.kosho.org/survey/jp/ipv6/newsites/
*2 CDN IPv6 Option on or moved to IPv6ed CDN
*3 CDN IPv6 Option off or moved to no IPv6ed CDN
5. ◼ New IPv6ed, non CDN: 188 FQDN
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AS Top 15
IPv6 count ASN Name Org
43 9371SAKURA-C SAKURA Internet Inc.
36 7690MIRAI Mirai Communication Network Inc.
22 16509AMAZON-02 Amazon.com, Inc.
22 9370SAKURA-B SAKURA Internet Inc.
11 7684SAKURA-A SAKURA Internet Inc.
7 15169GOOGLE Google LLC
7 38895AMAZON-AS-AP Amazon.com Tech Telecom
5 2500WIDE-BB WIDE Project
4 8075
MICROSOFT-CORP-MSN-
AS-BLOCK
Microsoft Corporation
4 14061DIGITALOCEAN-ASN DigitalOcean, LLC
3 18126CTCX Chubu Telecommunications Company, Inc.
3 63949LINODE-AP Linode, LLC
2 54113FASTLY Fastly
2 15133EDGECAST MCI Communications Services
2 18149JPRS Japan Registry Service Co., Ltd.
15 13 ASNs
6. ◼ Web IPv6 Rate (FQDN): US and Japan
• IPv6 Access Rate (Akamai)
• US : 45.8%
• Japan : 31.3%
◼ IPv6 and CDN (FQDN)
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Comparisons
Japan US
Government
(.go.jp vs .gov)
17.00% 31.35%
University
(.ac.jp vs .edu)
3.41% 9.00%
IPv6 / All CDN / All IPv6 CDN / All
FQDN 3.00% 3.56% 0.36%
Domain 1.94% 1.57% 0.77%