The IP address 131.81.0 is provided by DoD Network Information Center, it's belong to the CDIR (Classless Inter-Domain Routing) 131.80.0.0/14 (range 131.80.0.0 to 131.83.255.255). The autonomous system number (ASN) is 721.
| ASN | 721 |
| IP starting by | 131.80.0.0 |
| IP ending by | 131.83.255.255 |
| ASN Name | DoD Network Information Center |
| CDIR | 131.80.0.0/14 |
| Numerical IP | |
| Registry | arin |
| Last update | 16/05/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Richmond | 37.5538 | -77.4603 | 2019-05-15 |
| MaxMind | US | United States | - | Aldie | 38.9636 | -77.6131 | 2019-05-15 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 131.81.0.0 | 2203123712 | 0 |
| 131.81.0.1 | 2203123713 | 0 |
| 131.81.0.2 | 2203123714 | 0 |
| 131.81.0.3 | 2203123715 | 0 |
| 131.81.0.4 | 2203123716 | 0 |
| 131.81.0.5 | 2203123717 | 0 |
| 131.81.0.6 | 2203123718 | 0 |
| 131.81.0.7 | 2203123719 | 0 |
| 131.81.0.8 | 2203123720 | 0 |
| 131.81.0.9 | 2203123721 | 0 |
| 131.81.0.10 | 2203123722 | 0 |
| 131.81.0.11 | 2203123723 | 0 |
| 131.81.0.12 | 2203123724 | 0 |
| 131.81.0.13 | 2203123725 | 0 |
| 131.81.0.14 | 2203123726 | 0 |
| 131.81.0.15 | 2203123727 | 0 |
| 131.81.0.16 | 2203123728 | 0 |
| 131.81.0.17 | 2203123729 | 0 |
| 131.81.0.18 | 2203123730 | 0 |
| 131.81.0.19 | 2203123731 | 0 |
| 131.81.0.20 | 2203123732 | 0 |
| 131.81.0.21 | 2203123733 | 0 |
| 131.81.0.22 | 2203123734 | 0 |
| 131.81.0.23 | 2203123735 | 0 |
| 131.81.0.24 | 2203123736 | 0 |
| 131.81.0.25 | 2203123737 | 0 |
| 131.81.0.26 | 2203123738 | 0 |
| 131.81.0.27 | 2203123739 | 0 |
| 131.81.0.28 | 2203123740 | 0 |
| 131.81.0.29 | 2203123741 | 0 |
| 131.81.0.30 | 2203123742 | 0 |
| 131.81.0.31 | 2203123743 | 0 |
| 131.81.0.32 | 2203123744 | 0 |
| 131.81.0.33 | 2203123745 | 0 |
| 131.81.0.34 | 2203123746 | 0 |
| 131.81.0.35 | 2203123747 | 0 |
| 131.81.0.36 | 2203123748 | 0 |
| 131.81.0.37 | 2203123749 | 0 |
| 131.81.0.38 | 2203123750 | 0 |
| 131.81.0.39 | 2203123751 | 0 |
| 131.81.0.40 | 2203123752 | 0 |
| 131.81.0.41 | 2203123753 | 0 |
| 131.81.0.42 | 2203123754 | 0 |
| 131.81.0.43 | 2203123755 | 0 |
| 131.81.0.44 | 2203123756 | 0 |
| 131.81.0.45 | 2203123757 | 0 |
| 131.81.0.46 | 2203123758 | 0 |
| 131.81.0.47 | 2203123759 | 0 |
| 131.81.0.48 | 2203123760 | 0 |
| 131.81.0.49 | 2203123761 | 0 |
| 131.81.0.50 | 2203123762 | 0 |
| 131.81.0.51 | 2203123763 | 0 |
| 131.81.0.52 | 2203123764 | 0 |
| 131.81.0.53 | 2203123765 | 0 |
| 131.81.0.54 | 2203123766 | 0 |
| 131.81.0.55 | 2203123767 | 0 |
| 131.81.0.56 | 2203123768 | 0 |
| 131.81.0.57 | 2203123769 | 0 |
| 131.81.0.58 | 2203123770 | 0 |
| 131.81.0.59 | 2203123771 | 0 |
| 131.81.0.60 | 2203123772 | 0 |
| 131.81.0.61 | 2203123773 | 0 |
| 131.81.0.62 | 2203123774 | 0 |
| 131.81.0.63 | 2203123775 | 0 |
| 131.81.0.64 | 2203123776 | 0 |
| 131.81.0.65 | 2203123777 | 0 |
| 131.81.0.66 | 2203123778 | 0 |
| 131.81.0.67 | 2203123779 | 0 |
| 131.81.0.68 | 2203123780 | 0 |
| 131.81.0.69 | 2203123781 | 0 |
| 131.81.0.70 | 2203123782 | 0 |
| 131.81.0.71 | 2203123783 | 0 |
| 131.81.0.72 | 2203123784 | 0 |
| 131.81.0.73 | 2203123785 | 0 |
| 131.81.0.74 | 2203123786 | 0 |
| 131.81.0.75 | 2203123787 | 0 |
| 131.81.0.76 | 2203123788 | 0 |
| 131.81.0.77 | 2203123789 | 0 |
| 131.81.0.78 | 2203123790 | 0 |
| 131.81.0.79 | 2203123791 | 0 |
| 131.81.0.80 | 2203123792 | 0 |
| 131.81.0.81 | 2203123793 | 0 |
| 131.81.0.82 | 2203123794 | 0 |
| 131.81.0.83 | 2203123795 | 0 |
| 131.81.0.84 | 2203123796 | 0 |
| 131.81.0.85 | 2203123797 | 0 |
| IP | Numerical IP | DNS |
| 131.81.0.86 | 2203123798 | 0 |
| 131.81.0.87 | 2203123799 | 0 |
| 131.81.0.88 | 2203123800 | 0 |
| 131.81.0.89 | 2203123801 | 0 |
| 131.81.0.90 | 2203123802 | 0 |
| 131.81.0.91 | 2203123803 | 0 |
| 131.81.0.92 | 2203123804 | 0 |
| 131.81.0.93 | 2203123805 | 0 |
| 131.81.0.94 | 2203123806 | 0 |
| 131.81.0.95 | 2203123807 | 0 |
| 131.81.0.96 | 2203123808 | 0 |
| 131.81.0.97 | 2203123809 | 0 |
| 131.81.0.98 | 2203123810 | 0 |
| 131.81.0.99 | 2203123811 | 0 |
| 131.81.0.100 | 2203123812 | 0 |
| 131.81.0.101 | 2203123813 | 0 |
| 131.81.0.102 | 2203123814 | 0 |
| 131.81.0.103 | 2203123815 | 0 |
| 131.81.0.104 | 2203123816 | 0 |
| 131.81.0.105 | 2203123817 | 0 |
| 131.81.0.106 | 2203123818 | 0 |
| 131.81.0.107 | 2203123819 | 0 |
| 131.81.0.108 | 2203123820 | 0 |
| 131.81.0.109 | 2203123821 | 0 |
| 131.81.0.110 | 2203123822 | 0 |
| 131.81.0.111 | 2203123823 | 0 |
| 131.81.0.112 | 2203123824 | 0 |
| 131.81.0.113 | 2203123825 | 0 |
| 131.81.0.114 | 2203123826 | 0 |
| 131.81.0.115 | 2203123827 | 0 |
| 131.81.0.116 | 2203123828 | 0 |
| 131.81.0.117 | 2203123829 | 0 |
| 131.81.0.118 | 2203123830 | 0 |
| 131.81.0.119 | 2203123831 | 0 |
| 131.81.0.120 | 2203123832 | 0 |
| 131.81.0.121 | 2203123833 | 0 |
| 131.81.0.122 | 2203123834 | 0 |
| 131.81.0.123 | 2203123835 | 0 |
| 131.81.0.124 | 2203123836 | 0 |
| 131.81.0.125 | 2203123837 | 0 |
| 131.81.0.126 | 2203123838 | 0 |
| 131.81.0.127 | 2203123839 | 0 |
| 131.81.0.128 | 2203123840 | 0 |
| 131.81.0.129 | 2203123841 | 0 |
| 131.81.0.130 | 2203123842 | 0 |
| 131.81.0.131 | 2203123843 | 0 |
| 131.81.0.132 | 2203123844 | 0 |
| 131.81.0.133 | 2203123845 | 0 |
| 131.81.0.134 | 2203123846 | 0 |
| 131.81.0.135 | 2203123847 | 0 |
| 131.81.0.136 | 2203123848 | 0 |
| 131.81.0.137 | 2203123849 | 0 |
| 131.81.0.138 | 2203123850 | 0 |
| 131.81.0.139 | 2203123851 | 0 |
| 131.81.0.140 | 2203123852 | 0 |
| 131.81.0.141 | 2203123853 | 0 |
| 131.81.0.142 | 2203123854 | 0 |
| 131.81.0.143 | 2203123855 | 0 |
| 131.81.0.144 | 2203123856 | 0 |
| 131.81.0.145 | 2203123857 | 0 |
| 131.81.0.146 | 2203123858 | 0 |
| 131.81.0.147 | 2203123859 | 0 |
| 131.81.0.148 | 2203123860 | 0 |
| 131.81.0.149 | 2203123861 | 0 |
| 131.81.0.150 | 2203123862 | 0 |
| 131.81.0.151 | 2203123863 | 0 |
| 131.81.0.152 | 2203123864 | 0 |
| 131.81.0.153 | 2203123865 | 0 |
| 131.81.0.154 | 2203123866 | 0 |
| 131.81.0.155 | 2203123867 | 0 |
| 131.81.0.156 | 2203123868 | 0 |
| 131.81.0.157 | 2203123869 | 0 |
| 131.81.0.158 | 2203123870 | 0 |
| 131.81.0.159 | 2203123871 | 0 |
| 131.81.0.160 | 2203123872 | 0 |
| 131.81.0.161 | 2203123873 | 0 |
| 131.81.0.162 | 2203123874 | 0 |
| 131.81.0.163 | 2203123875 | 0 |
| 131.81.0.164 | 2203123876 | 0 |
| 131.81.0.165 | 2203123877 | 0 |
| 131.81.0.166 | 2203123878 | 0 |
| 131.81.0.167 | 2203123879 | 0 |
| 131.81.0.168 | 2203123880 | 0 |
| 131.81.0.169 | 2203123881 | 0 |
| 131.81.0.170 | 2203123882 | 0 |
| 131.81.0.171 | 2203123883 | 0 |
| IP | Numerical IP | DNS |
| 131.81.0.172 | 2203123884 | 0 |
| 131.81.0.173 | 2203123885 | 0 |
| 131.81.0.174 | 2203123886 | 0 |
| 131.81.0.175 | 2203123887 | 0 |
| 131.81.0.176 | 2203123888 | 0 |
| 131.81.0.177 | 2203123889 | 0 |
| 131.81.0.178 | 2203123890 | 0 |
| 131.81.0.179 | 2203123891 | 0 |
| 131.81.0.180 | 2203123892 | 0 |
| 131.81.0.181 | 2203123893 | 0 |
| 131.81.0.182 | 2203123894 | 0 |
| 131.81.0.183 | 2203123895 | 0 |
| 131.81.0.184 | 2203123896 | 0 |
| 131.81.0.185 | 2203123897 | 0 |
| 131.81.0.186 | 2203123898 | 0 |
| 131.81.0.187 | 2203123899 | 0 |
| 131.81.0.188 | 2203123900 | 0 |
| 131.81.0.189 | 2203123901 | 0 |
| 131.81.0.190 | 2203123902 | 0 |
| 131.81.0.191 | 2203123903 | 0 |
| 131.81.0.192 | 2203123904 | 0 |
| 131.81.0.193 | 2203123905 | 0 |
| 131.81.0.194 | 2203123906 | 0 |
| 131.81.0.195 | 2203123907 | 0 |
| 131.81.0.196 | 2203123908 | 0 |
| 131.81.0.197 | 2203123909 | 0 |
| 131.81.0.198 | 2203123910 | 0 |
| 131.81.0.199 | 2203123911 | 0 |
| 131.81.0.200 | 2203123912 | 0 |
| 131.81.0.201 | 2203123913 | 0 |
| 131.81.0.202 | 2203123914 | 0 |
| 131.81.0.203 | 2203123915 | 0 |
| 131.81.0.204 | 2203123916 | 0 |
| 131.81.0.205 | 2203123917 | 0 |
| 131.81.0.206 | 2203123918 | 0 |
| 131.81.0.207 | 2203123919 | 0 |
| 131.81.0.208 | 2203123920 | 0 |
| 131.81.0.209 | 2203123921 | 0 |
| 131.81.0.210 | 2203123922 | 0 |
| 131.81.0.211 | 2203123923 | 0 |
| 131.81.0.212 | 2203123924 | 0 |
| 131.81.0.213 | 2203123925 | 0 |
| 131.81.0.214 | 2203123926 | 0 |
| 131.81.0.215 | 2203123927 | 0 |
| 131.81.0.216 | 2203123928 | 0 |
| 131.81.0.217 | 2203123929 | 0 |
| 131.81.0.218 | 2203123930 | 0 |
| 131.81.0.219 | 2203123931 | 0 |
| 131.81.0.220 | 2203123932 | 0 |
| 131.81.0.221 | 2203123933 | 0 |
| 131.81.0.222 | 2203123934 | 0 |
| 131.81.0.223 | 2203123935 | 0 |
| 131.81.0.224 | 2203123936 | 0 |
| 131.81.0.225 | 2203123937 | 0 |
| 131.81.0.226 | 2203123938 | 0 |
| 131.81.0.227 | 2203123939 | 0 |
| 131.81.0.228 | 2203123940 | 0 |
| 131.81.0.229 | 2203123941 | 0 |
| 131.81.0.230 | 2203123942 | 0 |
| 131.81.0.231 | 2203123943 | 0 |
| 131.81.0.232 | 2203123944 | 0 |
| 131.81.0.233 | 2203123945 | 0 |
| 131.81.0.234 | 2203123946 | 0 |
| 131.81.0.235 | 2203123947 | 0 |
| 131.81.0.236 | 2203123948 | 0 |
| 131.81.0.237 | 2203123949 | 0 |
| 131.81.0.238 | 2203123950 | 0 |
| 131.81.0.239 | 2203123951 | 0 |
| 131.81.0.240 | 2203123952 | 0 |
| 131.81.0.241 | 2203123953 | 0 |
| 131.81.0.242 | 2203123954 | 0 |
| 131.81.0.243 | 2203123955 | 0 |
| 131.81.0.244 | 2203123956 | 0 |
| 131.81.0.245 | 2203123957 | 0 |
| 131.81.0.246 | 2203123958 | 0 |
| 131.81.0.247 | 2203123959 | 0 |
| 131.81.0.248 | 2203123960 | 0 |
| 131.81.0.249 | 2203123961 | 0 |
| 131.81.0.250 | 2203123962 | 0 |
| 131.81.0.251 | 2203123963 | 0 |
| 131.81.0.252 | 2203123964 | 0 |
| 131.81.0.253 | 2203123965 | 0 |
| 131.81.0.254 | 2203123966 | 0 |
| 131.81.0.255 | 2203123967 | 0 |