Host Analysis for 99.191.228.121:
IP address 99.191.228.121 is located within an IP block ranging from 99.191.224.0 to 99.191.231.255 with CIDR 99.191.224.0/21 and netmask 255.255.248.0. According to a DNS lookup, the host name attributable to this IP is 99-191-228-121.lightspeed.snantx.sbcglobal.net. Other information about this IP block suggests that users of 99.191.228.121 are in the vicinity of San Antonio, TX, US, located at 29.424° latitude, -98.494° longitude (indicated on the map to the right), and are users of an ISP called AT&T Services Inc.. The ZIP code from this locale is 78201, and the time zone is America/Chicago.
We have further analyzed this IP address and found that none of the domain names in our database currently map to it. This suggests that the IP 99.191.228.121 is used by a user or by a private server (rather than by a public server), or is currently unallocated.