speed.coe.ad.jp Speed Test Server for IPv4 and IPv6 by OPEN Project (10G Ginza). Directly connected to SINET via 10Gbps BGP backbone. IPv4: 202.222.12.78 (speed.open.ad.jp) IPv6: 2401:AF80:B000:2914::10 (speed.v6.open.ad.jp) NameLast modifiedSizeDescription