Sophia Research Institute, Ltd.
JP. Active in the transfer logs from 7 Dec 2017 to 19 Feb 2026 in this period.
0addresses bought in 0 transfers
8.2Kaddresses sold in 2 transfers
−8.2Knet change in address space
2 transfers
Every range this organisation was on either side of, newest first, including mergers and acquisitions. Addresses are the size of the range; a block is shown when the range is one CIDR prefix.
| Date | Range | Block | Addresses | Side | Counterparty | Registries | Kind |
|---|---|---|---|---|---|---|---|
| 19 Feb 2026 | 115.166.144.0 – 115.166.159.255 | /20 | 4.1K | Sold | Japan Network Information Center/JPNE (JP) | APNIC | Market transfer |
| 7 Dec 2017 | 203.209.144.0 – 203.209.159.255 | /20 | 4.1K | Sold | DMM.com LLC (JP) | APNIC | Market transfer |