The IP address 131.81.19 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 | 16/02/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2018-02-16 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2018-02-16 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 131.81.19.0 | 2203128576 | 0 |
| 131.81.19.1 | 2203128577 | 0 |
| 131.81.19.2 | 2203128578 | 0 |
| 131.81.19.3 | 2203128579 | 0 |
| 131.81.19.4 | 2203128580 | 0 |
| 131.81.19.5 | 2203128581 | 0 |
| 131.81.19.6 | 2203128582 | 0 |
| 131.81.19.7 | 2203128583 | 0 |
| 131.81.19.8 | 2203128584 | 0 |
| 131.81.19.9 | 2203128585 | 0 |
| 131.81.19.10 | 2203128586 | 0 |
| 131.81.19.11 | 2203128587 | 0 |
| 131.81.19.12 | 2203128588 | 0 |
| 131.81.19.13 | 2203128589 | 0 |
| 131.81.19.14 | 2203128590 | 0 |
| 131.81.19.15 | 2203128591 | 0 |
| 131.81.19.16 | 2203128592 | 0 |
| 131.81.19.17 | 2203128593 | 0 |
| 131.81.19.18 | 2203128594 | 0 |
| 131.81.19.19 | 2203128595 | 0 |
| 131.81.19.20 | 2203128596 | 0 |
| 131.81.19.21 | 2203128597 | 0 |
| 131.81.19.22 | 2203128598 | 0 |
| 131.81.19.23 | 2203128599 | 0 |
| 131.81.19.24 | 2203128600 | 0 |
| 131.81.19.25 | 2203128601 | 0 |
| 131.81.19.26 | 2203128602 | 0 |
| 131.81.19.27 | 2203128603 | 0 |
| 131.81.19.28 | 2203128604 | 0 |
| 131.81.19.29 | 2203128605 | 0 |
| 131.81.19.30 | 2203128606 | 0 |
| 131.81.19.31 | 2203128607 | 0 |
| 131.81.19.32 | 2203128608 | 0 |
| 131.81.19.33 | 2203128609 | 0 |
| 131.81.19.34 | 2203128610 | 0 |
| 131.81.19.35 | 2203128611 | 0 |
| 131.81.19.36 | 2203128612 | 0 |
| 131.81.19.37 | 2203128613 | 0 |
| 131.81.19.38 | 2203128614 | 0 |
| 131.81.19.39 | 2203128615 | 0 |
| 131.81.19.40 | 2203128616 | 0 |
| 131.81.19.41 | 2203128617 | 0 |
| 131.81.19.42 | 2203128618 | 0 |
| 131.81.19.43 | 2203128619 | 0 |
| 131.81.19.44 | 2203128620 | 0 |
| 131.81.19.45 | 2203128621 | 0 |
| 131.81.19.46 | 2203128622 | 0 |
| 131.81.19.47 | 2203128623 | 0 |
| 131.81.19.48 | 2203128624 | 0 |
| 131.81.19.49 | 2203128625 | 0 |
| 131.81.19.50 | 2203128626 | 0 |
| 131.81.19.51 | 2203128627 | 0 |
| 131.81.19.52 | 2203128628 | 0 |
| 131.81.19.53 | 2203128629 | 0 |
| 131.81.19.54 | 2203128630 | 0 |
| 131.81.19.55 | 2203128631 | 0 |
| 131.81.19.56 | 2203128632 | 0 |
| 131.81.19.57 | 2203128633 | 0 |
| 131.81.19.58 | 2203128634 | 0 |
| 131.81.19.59 | 2203128635 | 0 |
| 131.81.19.60 | 2203128636 | 0 |
| 131.81.19.61 | 2203128637 | 0 |
| 131.81.19.62 | 2203128638 | 0 |
| 131.81.19.63 | 2203128639 | 0 |
| 131.81.19.64 | 2203128640 | 0 |
| 131.81.19.65 | 2203128641 | 0 |
| 131.81.19.66 | 2203128642 | 0 |
| 131.81.19.67 | 2203128643 | 0 |
| 131.81.19.68 | 2203128644 | 0 |
| 131.81.19.69 | 2203128645 | 0 |
| 131.81.19.70 | 2203128646 | 0 |
| 131.81.19.71 | 2203128647 | 0 |
| 131.81.19.72 | 2203128648 | 0 |
| 131.81.19.73 | 2203128649 | 0 |
| 131.81.19.74 | 2203128650 | 0 |
| 131.81.19.75 | 2203128651 | 0 |
| 131.81.19.76 | 2203128652 | 0 |
| 131.81.19.77 | 2203128653 | 0 |
| 131.81.19.78 | 2203128654 | 0 |
| 131.81.19.79 | 2203128655 | 0 |
| 131.81.19.80 | 2203128656 | 0 |
| 131.81.19.81 | 2203128657 | 0 |
| 131.81.19.82 | 2203128658 | 0 |
| 131.81.19.83 | 2203128659 | 0 |
| 131.81.19.84 | 2203128660 | 0 |
| 131.81.19.85 | 2203128661 | 0 |