| 2400:4040:814:: | 2400:4040:815:ffff:ffff:ffff:ffff:ffff | Accenture Japan Ltd |
| 2400:4040:816:: | 2400:4040:817:ffff:ffff:ffff:ffff:ffff | NTT COMMUNICATIONS CORPORATION |
| 2400:4040:818:: | 2400:4040:819:ffff:ffff:ffff:ffff:ffff | NTTE |
| 2400:4040:81a:: | 2400:4040:1003:ffff:ffff:ffff:ffff:ffff | NTT COMMUNICATIONS CORPORATION |
| 2400:4040:1004:: | 2400:4040:1004:ffff:ffff:ffff:ffff:ffff | Aoimori Cloud Base Corporation |
| 2400:4040:1005:: | 2400:4040:1005:ffff:ffff:ffff:ffff:ffff | NTT Communications Corporation |
| 2400:4040:1006:: | 2400:4040:2fff:ffff:ffff:ffff:ffff:ffff | NTT COMMUNICATIONS CORPORATION |
| 2400:4040:3000:: | 2400:4040:3000:ffff:ffff:ffff:ffff:ffff | NEC Corporation |
| 2400:4040:3001:: | 2400:4040:3003:ffff:ffff:ffff:ffff:ffff | NTT COMMUNICATIONS CORPORATION |
| 2400:4040:3004:: | 2400:4040:3004:ffff:ffff:ffff:ffff:ffff | NTT Communications CorporationInformation Securi.. |