The IP address 205.60.21 is provided by DoD Network Information Center, it's belong to the CDIR (Classless Inter-Domain Routing) 205.56.0.0/13 (range 205.56.0.0 to 205.63.255.255). The autonomous system number (ASN) is 721.
| ASN | 721 |
| IP starting by | 205.56.0.0 |
| IP ending by | 205.63.255.255 |
| ASN Name | DoD Network Information Center |
| CDIR | 205.56.0.0/13 |
| Numerical IP | |
| Registry | arin |
| Last update | 29/10/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Virginia Beach | 36.8816 | -76.0015 | 2017-10-29 |
| MaxMind | US | United States | - | Virginia Beach | 36.9205 | -76.0192 | 2017-10-29 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 205.60.21.0 | 3443266816 | 0 |
| 205.60.21.1 | 3443266817 | 0 |
| 205.60.21.2 | 3443266818 | 0 |
| 205.60.21.3 | 3443266819 | 0 |
| 205.60.21.4 | 3443266820 | 0 |
| 205.60.21.5 | 3443266821 | 0 |
| 205.60.21.6 | 3443266822 | 0 |
| 205.60.21.7 | 3443266823 | 0 |
| 205.60.21.8 | 3443266824 | 0 |
| 205.60.21.9 | 3443266825 | 0 |
| 205.60.21.10 | 3443266826 | 0 |
| 205.60.21.11 | 3443266827 | 0 |
| 205.60.21.12 | 3443266828 | 0 |
| 205.60.21.13 | 3443266829 | 0 |
| 205.60.21.14 | 3443266830 | 0 |
| 205.60.21.15 | 3443266831 | 0 |
| 205.60.21.16 | 3443266832 | 0 |
| 205.60.21.17 | 3443266833 | 0 |
| 205.60.21.18 | 3443266834 | 0 |
| 205.60.21.19 | 3443266835 | 0 |
| 205.60.21.20 | 3443266836 | 0 |
| 205.60.21.21 | 3443266837 | 0 |
| 205.60.21.22 | 3443266838 | 0 |
| 205.60.21.23 | 3443266839 | 0 |
| 205.60.21.24 | 3443266840 | 0 |
| 205.60.21.25 | 3443266841 | 0 |
| 205.60.21.26 | 3443266842 | 0 |
| 205.60.21.27 | 3443266843 | 0 |
| 205.60.21.28 | 3443266844 | 0 |
| 205.60.21.29 | 3443266845 | 0 |
| 205.60.21.30 | 3443266846 | 0 |
| 205.60.21.31 | 3443266847 | 0 |
| 205.60.21.32 | 3443266848 | 0 |
| 205.60.21.33 | 3443266849 | 0 |
| 205.60.21.34 | 3443266850 | 0 |
| 205.60.21.35 | 3443266851 | 0 |
| 205.60.21.36 | 3443266852 | 0 |
| 205.60.21.37 | 3443266853 | 0 |
| 205.60.21.38 | 3443266854 | 0 |
| 205.60.21.39 | 3443266855 | 0 |
| 205.60.21.40 | 3443266856 | 0 |
| 205.60.21.41 | 3443266857 | 0 |
| 205.60.21.42 | 3443266858 | 0 |
| 205.60.21.43 | 3443266859 | 0 |
| 205.60.21.44 | 3443266860 | 0 |
| 205.60.21.45 | 3443266861 | 0 |
| 205.60.21.46 | 3443266862 | 0 |
| 205.60.21.47 | 3443266863 | 0 |
| 205.60.21.48 | 3443266864 | 0 |
| 205.60.21.49 | 3443266865 | 0 |
| 205.60.21.50 | 3443266866 | 0 |
| 205.60.21.51 | 3443266867 | 0 |
| 205.60.21.52 | 3443266868 | 0 |
| 205.60.21.53 | 3443266869 | 0 |
| 205.60.21.54 | 3443266870 | 0 |
| 205.60.21.55 | 3443266871 | 0 |
| 205.60.21.56 | 3443266872 | 0 |
| 205.60.21.57 | 3443266873 | 0 |
| 205.60.21.58 | 3443266874 | 0 |
| 205.60.21.59 | 3443266875 | 0 |
| 205.60.21.60 | 3443266876 | 0 |
| 205.60.21.61 | 3443266877 | 0 |
| 205.60.21.62 | 3443266878 | 0 |
| 205.60.21.63 | 3443266879 | 0 |
| 205.60.21.64 | 3443266880 | 0 |
| 205.60.21.65 | 3443266881 | 0 |
| 205.60.21.66 | 3443266882 | 0 |
| 205.60.21.67 | 3443266883 | 0 |
| 205.60.21.68 | 3443266884 | 0 |
| 205.60.21.69 | 3443266885 | 0 |
| 205.60.21.70 | 3443266886 | 0 |
| 205.60.21.71 | 3443266887 | 0 |
| 205.60.21.72 | 3443266888 | 0 |
| 205.60.21.73 | 3443266889 | 0 |
| 205.60.21.74 | 3443266890 | 0 |
| 205.60.21.75 | 3443266891 | 0 |
| 205.60.21.76 | 3443266892 | 0 |
| 205.60.21.77 | 3443266893 | 0 |
| 205.60.21.78 | 3443266894 | 0 |
| 205.60.21.79 | 3443266895 | 0 |
| 205.60.21.80 | 3443266896 | 0 |
| 205.60.21.81 | 3443266897 | 0 |
| 205.60.21.82 | 3443266898 | 0 |
| 205.60.21.83 | 3443266899 | 0 |
| 205.60.21.84 | 3443266900 | 0 |
| 205.60.21.85 | 3443266901 | 0 |