The IP address 131.57.42 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 | |
| Last update | 12/11/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Montgomery | 32.4045 | -86.2459 | 2017-11-12 |
| MaxMind | US | United States | - | Montgomery | 32.404 | -86.2539 | 2017-11-12 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 131.57.42.0 | 2201561600 | 0 |
| 131.57.42.1 | 2201561601 | 0 |
| 131.57.42.2 | 2201561602 | 0 |
| 131.57.42.3 | 2201561603 | 0 |
| 131.57.42.4 | 2201561604 | 0 |
| 131.57.42.5 | 2201561605 | 0 |
| 131.57.42.6 | 2201561606 | 0 |
| 131.57.42.7 | 2201561607 | 0 |
| 131.57.42.8 | 2201561608 | 0 |
| 131.57.42.9 | 2201561609 | 0 |
| 131.57.42.10 | 2201561610 | 0 |
| 131.57.42.11 | 2201561611 | 0 |
| 131.57.42.12 | 2201561612 | 0 |
| 131.57.42.13 | 2201561613 | 0 |
| 131.57.42.14 | 2201561614 | 0 |
| 131.57.42.15 | 2201561615 | 0 |
| 131.57.42.16 | 2201561616 | 0 |
| 131.57.42.17 | 2201561617 | 0 |
| 131.57.42.18 | 2201561618 | 0 |
| 131.57.42.19 | 2201561619 | 0 |
| 131.57.42.20 | 2201561620 | 0 |
| 131.57.42.21 | 2201561621 | 0 |
| 131.57.42.22 | 2201561622 | 0 |
| 131.57.42.23 | 2201561623 | 0 |
| 131.57.42.24 | 2201561624 | 0 |
| 131.57.42.25 | 2201561625 | 0 |
| 131.57.42.26 | 2201561626 | 0 |
| 131.57.42.27 | 2201561627 | 0 |
| 131.57.42.28 | 2201561628 | 0 |
| 131.57.42.29 | 2201561629 | 0 |
| 131.57.42.30 | 2201561630 | 0 |
| 131.57.42.31 | 2201561631 | 0 |
| 131.57.42.32 | 2201561632 | 0 |
| 131.57.42.33 | 2201561633 | 0 |
| 131.57.42.34 | 2201561634 | 0 |
| 131.57.42.35 | 2201561635 | 0 |
| 131.57.42.36 | 2201561636 | 0 |
| 131.57.42.37 | 2201561637 | 0 |
| 131.57.42.38 | 2201561638 | 0 |
| 131.57.42.39 | 2201561639 | 0 |
| 131.57.42.40 | 2201561640 | 0 |
| 131.57.42.41 | 2201561641 | 0 |
| 131.57.42.42 | 2201561642 | 0 |
| 131.57.42.43 | 2201561643 | 0 |
| 131.57.42.44 | 2201561644 | 0 |
| 131.57.42.45 | 2201561645 | 0 |
| 131.57.42.46 | 2201561646 | 0 |
| 131.57.42.47 | 2201561647 | 0 |
| 131.57.42.48 | 2201561648 | 0 |
| 131.57.42.49 | 2201561649 | 0 |
| 131.57.42.50 | 2201561650 | 0 |
| 131.57.42.51 | 2201561651 | 0 |
| 131.57.42.52 | 2201561652 | 0 |
| 131.57.42.53 | 2201561653 | 0 |
| 131.57.42.54 | 2201561654 | 0 |
| 131.57.42.55 | 2201561655 | 0 |
| 131.57.42.56 | 2201561656 | 0 |
| 131.57.42.57 | 2201561657 | 0 |
| 131.57.42.58 | 2201561658 | 0 |
| 131.57.42.59 | 2201561659 | 0 |
| 131.57.42.60 | 2201561660 | 0 |
| 131.57.42.61 | 2201561661 | 0 |
| 131.57.42.62 | 2201561662 | 0 |
| 131.57.42.63 | 2201561663 | 0 |
| 131.57.42.64 | 2201561664 | 0 |
| 131.57.42.65 | 2201561665 | 0 |
| 131.57.42.66 | 2201561666 | 0 |
| 131.57.42.67 | 2201561667 | 0 |
| 131.57.42.68 | 2201561668 | 0 |
| 131.57.42.69 | 2201561669 | 0 |
| 131.57.42.70 | 2201561670 | 0 |
| 131.57.42.71 | 2201561671 | 0 |
| 131.57.42.72 | 2201561672 | 0 |
| 131.57.42.73 | 2201561673 | 0 |
| 131.57.42.74 | 2201561674 | 0 |
| 131.57.42.75 | 2201561675 | 0 |
| 131.57.42.76 | 2201561676 | 0 |
| 131.57.42.77 | 2201561677 | 0 |
| 131.57.42.78 | 2201561678 | 0 |
| 131.57.42.79 | 2201561679 | 0 |
| 131.57.42.80 | 2201561680 | 0 |
| 131.57.42.81 | 2201561681 | 0 |
| 131.57.42.82 | 2201561682 | 0 |
| 131.57.42.83 | 2201561683 | 0 |
| 131.57.42.84 | 2201561684 | 0 |
| 131.57.42.85 | 2201561685 | 0 |