81.198.253 is a class C of IPs

Sample IPs from the class C 81.198.253

81.198.253.245	View precise location of 81.198.253.245 on the map!
81.198.253.45	View precise location of 81.198.253.45 on the map!
81.198.253.56	View precise location of 81.198.253.56 on the map!
81.198.253.31	View precise location of 81.198.253.31 on the map!
81.198.253.46	View precise location of 81.198.253.46 on the map!
81.198.253.160	View precise location of 81.198.253.160 on the map!
81.198.253.198	View precise location of 81.198.253.198 on the map!
81.198.253.240	View precise location of 81.198.253.240 on the map!
81.198.253.243	View precise location of 81.198.253.243 on the map!
81.198.253.87	View precise location of 81.198.253.87 on the map!
81.198.253.231	View precise location of 81.198.253.231 on the map!

10 Random IPs

35.79.112.9	Find precise map location of 35.79.112.9
47.202.11.4	Find precise map location of 47.202.11.4
213.5.255.86	Find precise map location of 213.5.255.86
56.195.210.65	Find precise map location of 56.195.210.65
238.78.147.6	Find precise map location of 238.78.147.6
173.176.101.191	Find precise map location of 173.176.101.191
244.126.211.233	Find precise map location of 244.126.211.233
239.86.33.21	Find precise map location of 239.86.33.21
245.214.254.151	Find precise map location of 245.214.254.151
252.66.147.131	Find precise map location of 252.66.147.131
227.23.25.158	Find precise map location of 227.23.25.158

TestURI.org is a free web-sniffer.net alternative. It alows you to send custom HTTP request and check the HTTP response.