IPv4 IPv6 運営元 8.8.8.88.8.4.4 2001:4860:4860::88882001:4860:4860::8844 Google 1.1.1.11.0.0.1 2606:4700:4700::11112606:4700:4700::1001 Cloudflare 64.6.64.664.6.65.6 2620:74:1b::1:12620:74:1c::2:2 Verisign 208.67.222.222208.67.220.220 2620…