| 2400:410a:: | 2400:410b:ffff:ffff:ffff:ffff:ffff:ffff | NTT COMMUNICATIONS CORPORATION |
| 2400:410c:: | 2400:410c:3ff:ffff:ffff:ffff:ffff:ffff | NTT COMMUNICATIONS CORPORATION |
| 2400:410c:400:: | 2400:410c:400:ffff:ffff:ffff:ffff:ffff | LIC CO.LTD. |
| 2400:410c:401:: | 2400:410c:ffff:ffff:ffff:ffff:ffff:ffff | NTT COMMUNICATIONS CORPORATION |
| 2400:410d:: | 2400:410e:ffff:ffff:ffff:ffff:ffff:ffff | NTT COMMUNICATIONS CORPORATION |
| 2400:410f:: | 2400:410f:3ff:ffff:ffff:ffff:ffff:ffff | NTT COMMUNICATIONS CORPORATION |
| 2400:410f:400:: | 2400:410f:400:ffff:ffff:ffff:ffff:ffff | Sikokutsuken Corporation |
| 2400:410f:401:: | 2400:410f:ffff:ffff:ffff:ffff:ffff:ffff | NTT COMMUNICATIONS CORPORATION |
| 2400:4110:: | 2400:4110:ffff:ffff:ffff:ffff:ffff:ffff | NTT COMMUNICATIONS CORPORATION |
| 2400:4111:: | 2400:4111:400:ffff:ffff:ffff:ffff:ffff | NTT COMMUNICATIONS CORPORATION |