The IP address 131.57.19 is provided by DoD Network Information Center, it's belong to the CDIR (Classless Inter-Domain Routing) 131.32.0.0/11 (range 131.32.0.0 to 131.63.255.255). The autonomous system number (ASN) is 721.
| ASN | 721 |
| IP starting by | 131.32.0.0 |
| IP ending by | 131.63.255.255 |
| ASN Name | DoD Network Information Center |
| CDIR | 131.32.0.0/11 |
| Numerical IP | |
| Registry | arin |
| Last update | 15/01/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2019-01-15 |
| MaxMind | US | United States | - | Montgomery | 32.404 | -86.2539 | 2019-01-15 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 131.57.19.0 | 2201555712 | 0 |
| 131.57.19.1 | 2201555713 | 0 |
| 131.57.19.2 | 2201555714 | 0 |
| 131.57.19.3 | 2201555715 | 0 |
| 131.57.19.4 | 2201555716 | 0 |
| 131.57.19.5 | 2201555717 | 0 |
| 131.57.19.6 | 2201555718 | 0 |
| 131.57.19.7 | 2201555719 | 0 |
| 131.57.19.8 | 2201555720 | 0 |
| 131.57.19.9 | 2201555721 | 0 |
| 131.57.19.10 | 2201555722 | 0 |
| 131.57.19.11 | 2201555723 | 0 |
| 131.57.19.12 | 2201555724 | 0 |
| 131.57.19.13 | 2201555725 | 0 |
| 131.57.19.14 | 2201555726 | 0 |
| 131.57.19.15 | 2201555727 | 0 |
| 131.57.19.16 | 2201555728 | 0 |
| 131.57.19.17 | 2201555729 | 0 |
| 131.57.19.18 | 2201555730 | 0 |
| 131.57.19.19 | 2201555731 | 0 |
| 131.57.19.20 | 2201555732 | 0 |
| 131.57.19.21 | 2201555733 | 0 |
| 131.57.19.22 | 2201555734 | 0 |
| 131.57.19.23 | 2201555735 | 0 |
| 131.57.19.24 | 2201555736 | 0 |
| 131.57.19.25 | 2201555737 | 0 |
| 131.57.19.26 | 2201555738 | 0 |
| 131.57.19.27 | 2201555739 | 0 |
| 131.57.19.28 | 2201555740 | 0 |
| 131.57.19.29 | 2201555741 | 0 |
| 131.57.19.30 | 2201555742 | 0 |
| 131.57.19.31 | 2201555743 | 0 |
| 131.57.19.32 | 2201555744 | 0 |
| 131.57.19.33 | 2201555745 | 0 |
| 131.57.19.34 | 2201555746 | 0 |
| 131.57.19.35 | 2201555747 | 0 |
| 131.57.19.36 | 2201555748 | 0 |
| 131.57.19.37 | 2201555749 | 0 |
| 131.57.19.38 | 2201555750 | 0 |
| 131.57.19.39 | 2201555751 | 0 |
| 131.57.19.40 | 2201555752 | 0 |
| 131.57.19.41 | 2201555753 | 0 |
| 131.57.19.42 | 2201555754 | 0 |
| 131.57.19.43 | 2201555755 | 0 |
| 131.57.19.44 | 2201555756 | 0 |
| 131.57.19.45 | 2201555757 | 0 |
| 131.57.19.46 | 2201555758 | 0 |
| 131.57.19.47 | 2201555759 | 0 |
| 131.57.19.48 | 2201555760 | 0 |
| 131.57.19.49 | 2201555761 | 0 |
| 131.57.19.50 | 2201555762 | 0 |
| 131.57.19.51 | 2201555763 | 0 |
| 131.57.19.52 | 2201555764 | 0 |
| 131.57.19.53 | 2201555765 | 0 |
| 131.57.19.54 | 2201555766 | 0 |
| 131.57.19.55 | 2201555767 | 0 |
| 131.57.19.56 | 2201555768 | 0 |
| 131.57.19.57 | 2201555769 | 0 |
| 131.57.19.58 | 2201555770 | 0 |
| 131.57.19.59 | 2201555771 | 0 |
| 131.57.19.60 | 2201555772 | 0 |
| 131.57.19.61 | 2201555773 | 0 |
| 131.57.19.62 | 2201555774 | 0 |
| 131.57.19.63 | 2201555775 | 0 |
| 131.57.19.64 | 2201555776 | 0 |
| 131.57.19.65 | 2201555777 | 0 |
| 131.57.19.66 | 2201555778 | 0 |
| 131.57.19.67 | 2201555779 | 0 |
| 131.57.19.68 | 2201555780 | 0 |
| 131.57.19.69 | 2201555781 | 0 |
| 131.57.19.70 | 2201555782 | 0 |
| 131.57.19.71 | 2201555783 | 0 |
| 131.57.19.72 | 2201555784 | 0 |
| 131.57.19.73 | 2201555785 | 0 |
| 131.57.19.74 | 2201555786 | 0 |
| 131.57.19.75 | 2201555787 | 0 |
| 131.57.19.76 | 2201555788 | 0 |
| 131.57.19.77 | 2201555789 | 0 |
| 131.57.19.78 | 2201555790 | 0 |
| 131.57.19.79 | 2201555791 | 0 |
| 131.57.19.80 | 2201555792 | 0 |
| 131.57.19.81 | 2201555793 | 0 |
| 131.57.19.82 | 2201555794 | 0 |
| 131.57.19.83 | 2201555795 | 0 |
| 131.57.19.84 | 2201555796 | 0 |
| 131.57.19.85 | 2201555797 | 0 |