Host Analysis for 133.242.7.126:
IP address 133.242.7.126 is located within an IP block ranging from 133.238.100.0 to 133.242.22.255 with CIDR 133.238.100.0/15 and netmask 255.252.77.0. According to a DNS lookup, the host name attributable to this IP is sakura1.est-sys.net. Other information about this IP block suggests that users of 133.242.7.126 are in the vicinity of Tokyo, Tokyo, JP, located at 35.690° latitude, 139.692° longitude (indicated on the map to the right), and are users of an ISP called Sakura Internet Inc.. The ZIP code from this locale is 214-0021, and the time zone is Asia/Tokyo.
We have further analyzed this IP address and found that a domain is mapped to it: e-tsudoi.com. This suggests that the IP address is being used by a public server (rather than an end user or a private server) to serve web pages or other app content.