Host Analysis for 210.153.20.45:
IP address 210.153.20.45 is located within an IP block ranging from 210.152.209.0 to 210.153.76.255 with CIDR 210.152.209.0/18 and netmask 255.255.132.0. According to a DNS lookup, the host name attributable to this IP is suite2-210-153-020-045.on.arena.ne.jp. Other information about this IP block suggests that users of 210.153.20.45 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 Infosphere NTT PC Communications 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: shinseiart.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.