The IP address 131.71.21 is provided by DoD Network Information Center, it's belong to the CDIR (Classless Inter-Domain Routing) 131.64.0.0/13 (range 131.64.0.0 to 131.71.255.255). The autonomous system number (ASN) is 721.
| ASN | 721 |
| IP starting by | 131.64.0.0 |
| IP ending by | 131.71.255.255 |
| ASN Name | DoD Network Information Center |
| CDIR | 131.64.0.0/13 |
| Numerical IP | |
| Registry | |
| Last update | 25/03/2020 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | AR | Argentina | - | Rio Gallegos | -51.6226 | -69.2181 | 2020-03-25 |
| MaxMind | AR | Argentina | - | Mendoza | -32.8833 | -68.8167 | 2020-03-25 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 131.71.21.0 | 2202473728 | 0 |
| 131.71.21.1 | 2202473729 | 0 |
| 131.71.21.2 | 2202473730 | 0 |
| 131.71.21.3 | 2202473731 | 0 |
| 131.71.21.4 | 2202473732 | 0 |
| 131.71.21.5 | 2202473733 | 0 |
| 131.71.21.6 | 2202473734 | 0 |
| 131.71.21.7 | 2202473735 | 0 |
| 131.71.21.8 | 2202473736 | 0 |
| 131.71.21.9 | 2202473737 | 0 |
| 131.71.21.10 | 2202473738 | 0 |
| 131.71.21.11 | 2202473739 | 0 |
| 131.71.21.12 | 2202473740 | 0 |
| 131.71.21.13 | 2202473741 | 0 |
| 131.71.21.14 | 2202473742 | 0 |
| 131.71.21.15 | 2202473743 | 0 |
| 131.71.21.16 | 2202473744 | 0 |
| 131.71.21.17 | 2202473745 | 0 |
| 131.71.21.18 | 2202473746 | 0 |
| 131.71.21.19 | 2202473747 | 0 |
| 131.71.21.20 | 2202473748 | 0 |
| 131.71.21.21 | 2202473749 | 0 |
| 131.71.21.22 | 2202473750 | 0 |
| 131.71.21.23 | 2202473751 | 0 |
| 131.71.21.24 | 2202473752 | 0 |
| 131.71.21.25 | 2202473753 | 0 |
| 131.71.21.26 | 2202473754 | 0 |
| 131.71.21.27 | 2202473755 | 0 |
| 131.71.21.28 | 2202473756 | 0 |
| 131.71.21.29 | 2202473757 | 0 |
| 131.71.21.30 | 2202473758 | 0 |
| 131.71.21.31 | 2202473759 | 0 |
| 131.71.21.32 | 2202473760 | 0 |
| 131.71.21.33 | 2202473761 | 0 |
| 131.71.21.34 | 2202473762 | 0 |
| 131.71.21.35 | 2202473763 | 0 |
| 131.71.21.36 | 2202473764 | 0 |
| 131.71.21.37 | 2202473765 | 0 |
| 131.71.21.38 | 2202473766 | 0 |
| 131.71.21.39 | 2202473767 | 0 |
| 131.71.21.40 | 2202473768 | 0 |
| 131.71.21.41 | 2202473769 | 0 |
| 131.71.21.42 | 2202473770 | 0 |
| 131.71.21.43 | 2202473771 | 0 |
| 131.71.21.44 | 2202473772 | 0 |
| 131.71.21.45 | 2202473773 | 0 |
| 131.71.21.46 | 2202473774 | 0 |
| 131.71.21.47 | 2202473775 | 0 |
| 131.71.21.48 | 2202473776 | 0 |
| 131.71.21.49 | 2202473777 | 0 |
| 131.71.21.50 | 2202473778 | 0 |
| 131.71.21.51 | 2202473779 | 0 |
| 131.71.21.52 | 2202473780 | 0 |
| 131.71.21.53 | 2202473781 | 0 |
| 131.71.21.54 | 2202473782 | 0 |
| 131.71.21.55 | 2202473783 | 0 |
| 131.71.21.56 | 2202473784 | 0 |
| 131.71.21.57 | 2202473785 | 0 |
| 131.71.21.58 | 2202473786 | 0 |
| 131.71.21.59 | 2202473787 | 0 |
| 131.71.21.60 | 2202473788 | 0 |
| 131.71.21.61 | 2202473789 | 0 |
| 131.71.21.62 | 2202473790 | 0 |
| 131.71.21.63 | 2202473791 | 0 |
| 131.71.21.64 | 2202473792 | 0 |
| 131.71.21.65 | 2202473793 | 0 |
| 131.71.21.66 | 2202473794 | 0 |
| 131.71.21.67 | 2202473795 | 0 |
| 131.71.21.68 | 2202473796 | 0 |
| 131.71.21.69 | 2202473797 | 0 |
| 131.71.21.70 | 2202473798 | 0 |
| 131.71.21.71 | 2202473799 | 0 |
| 131.71.21.72 | 2202473800 | 0 |
| 131.71.21.73 | 2202473801 | 0 |
| 131.71.21.74 | 2202473802 | 0 |
| 131.71.21.75 | 2202473803 | 0 |
| 131.71.21.76 | 2202473804 | 0 |
| 131.71.21.77 | 2202473805 | 0 |
| 131.71.21.78 | 2202473806 | 0 |
| 131.71.21.79 | 2202473807 | 0 |
| 131.71.21.80 | 2202473808 | 0 |
| 131.71.21.81 | 2202473809 | 0 |
| 131.71.21.82 | 2202473810 | 0 |
| 131.71.21.83 | 2202473811 | 0 |
| 131.71.21.84 | 2202473812 | 0 |
| 131.71.21.85 | 2202473813 | 0 |