The IP address 121.103.139 is provided by So-net Entertainment Corporation, it's belong to the CDIR (Classless Inter-Domain Routing) 121.103.0.0/16 (range 121.103.0.0 to 121.103.255.255). The autonomous system number (ASN) is 2527.
| ASN | 2527 |
| IP starting by | 121.103.0.0 |
| IP ending by | 121.103.255.255 |
| ASN Name | So-net Entertainment Corporation |
| CDIR | 121.103.0.0/16 |
| Numerical IP | |
| Registry | apnic |
| Last update | 23/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | JP | Japan | - | Yokohama | 35.4442 | 139.6381 | 2017-07-23 |
| MaxMind | JP | Japan | - | Hiratsuka | 35.3231 | 139.3422 | 2017-07-23 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |