Host Analysis for 81.3.21.103:
IP address 81.3.21.103 is located within an IP block ranging from 81.3.15.0 to 81.3.63.255 with CIDR 81.3.15.0/19 and netmask 255.255.207.0. According to a DNS lookup, the host name attributable to this IP is 81.3.21.103. Other information about this IP block suggests that users of 81.3.21.103 are in the vicinity of Hanover, Niedersachsen, DE, located at 52.371° latitude, 9.733° longitude (indicated on the map to the right), and are users of an ISP called Hostway Deutschland GmbH. The ZIP code from this locale is 30159, and the time zone is Unavailable.
We have further analyzed this IP address and found that several domain names are currently mapped to it, such as arch-anim-breed.net, archives-animal-breeding.net, adv-cartogr-giscience-int-cartogr-assoc.net, adv-geosci.net, and adv-radio-sci.net, among others. 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.