The IP address 131.139.3 is provided by Harvard University, it's belong to the CDIR (Classless Inter-Domain Routing) 131.142.0.0/16 (range 131.142.0.0 to 131.142.255.255). The autonomous system number (ASN) is 1742.
| ASN | 1742 |
| IP starting by | 131.142.0.0 |
| IP ending by | 131.142.255.255 |
| ASN Name | Harvard University |
| CDIR | 131.142.0.0/16 |
| Numerical IP | |
| Registry | arin |
| Last update | 27/02/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Cambridge | 42.3783 | -71.1304 | 2019-02-27 |
| MaxMind | CA | Canada | - | Ottawa | 45.4207 | -75.7023 | 2019-02-27 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 131.139.3.0 | 2206925568 | 0 |
| 131.139.3.1 | 2206925569 | 0 |
| 131.139.3.2 | 2206925570 | 0 |
| 131.139.3.3 | 2206925571 | 0 |
| 131.139.3.4 | 2206925572 | 0 |
| 131.139.3.5 | 2206925573 | 0 |
| 131.139.3.6 | 2206925574 | 0 |
| 131.139.3.7 | 2206925575 | 0 |
| 131.139.3.8 | 2206925576 | 0 |
| 131.139.3.9 | 2206925577 | 0 |
| 131.139.3.10 | 2206925578 | 0 |
| 131.139.3.11 | 2206925579 | 0 |
| 131.139.3.12 | 2206925580 | 0 |
| 131.139.3.13 | 2206925581 | 0 |
| 131.139.3.14 | 2206925582 | 0 |
| 131.139.3.15 | 2206925583 | 0 |
| 131.139.3.16 | 2206925584 | 0 |
| 131.139.3.17 | 2206925585 | 0 |
| 131.139.3.18 | 2206925586 | 0 |
| 131.139.3.19 | 2206925587 | 0 |
| 131.139.3.20 | 2206925588 | 0 |
| 131.139.3.21 | 2206925589 | 0 |
| 131.139.3.22 | 2206925590 | 0 |
| 131.139.3.23 | 2206925591 | 0 |
| 131.139.3.24 | 2206925592 | 0 |
| 131.139.3.25 | 2206925593 | 0 |
| 131.139.3.26 | 2206925594 | 0 |
| 131.139.3.27 | 2206925595 | 0 |
| 131.139.3.28 | 2206925596 | 0 |
| 131.139.3.29 | 2206925597 | 0 |
| 131.139.3.30 | 2206925598 | 0 |
| 131.139.3.31 | 2206925599 | 0 |
| 131.139.3.32 | 2206925600 | 0 |
| 131.139.3.33 | 2206925601 | 0 |
| 131.139.3.34 | 2206925602 | 0 |
| 131.139.3.35 | 2206925603 | 0 |
| 131.139.3.36 | 2206925604 | 0 |
| 131.139.3.37 | 2206925605 | 0 |
| 131.139.3.38 | 2206925606 | 0 |
| 131.139.3.39 | 2206925607 | 0 |
| 131.139.3.40 | 2206925608 | 0 |
| 131.139.3.41 | 2206925609 | 0 |
| 131.139.3.42 | 2206925610 | 0 |
| 131.139.3.43 | 2206925611 | 0 |
| 131.139.3.44 | 2206925612 | 0 |
| 131.139.3.45 | 2206925613 | 0 |
| 131.139.3.46 | 2206925614 | 0 |
| 131.139.3.47 | 2206925615 | 0 |
| 131.139.3.48 | 2206925616 | 0 |
| 131.139.3.49 | 2206925617 | 0 |
| 131.139.3.50 | 2206925618 | 0 |
| 131.139.3.51 | 2206925619 | 0 |
| 131.139.3.52 | 2206925620 | 0 |
| 131.139.3.53 | 2206925621 | 0 |
| 131.139.3.54 | 2206925622 | 0 |
| 131.139.3.55 | 2206925623 | 0 |
| 131.139.3.56 | 2206925624 | 0 |
| 131.139.3.57 | 2206925625 | 0 |
| 131.139.3.58 | 2206925626 | 0 |
| 131.139.3.59 | 2206925627 | 0 |
| 131.139.3.60 | 2206925628 | 0 |
| 131.139.3.61 | 2206925629 | 0 |
| 131.139.3.62 | 2206925630 | 0 |
| 131.139.3.63 | 2206925631 | 0 |
| 131.139.3.64 | 2206925632 | 0 |
| 131.139.3.65 | 2206925633 | 0 |
| 131.139.3.66 | 2206925634 | 0 |
| 131.139.3.67 | 2206925635 | 0 |
| 131.139.3.68 | 2206925636 | 0 |
| 131.139.3.69 | 2206925637 | 0 |
| 131.139.3.70 | 2206925638 | 0 |
| 131.139.3.71 | 2206925639 | 0 |
| 131.139.3.72 | 2206925640 | 0 |
| 131.139.3.73 | 2206925641 | 0 |
| 131.139.3.74 | 2206925642 | 0 |
| 131.139.3.75 | 2206925643 | 0 |
| 131.139.3.76 | 2206925644 | 0 |
| 131.139.3.77 | 2206925645 | 0 |
| 131.139.3.78 | 2206925646 | 0 |
| 131.139.3.79 | 2206925647 | 0 |
| 131.139.3.80 | 2206925648 | 0 |
| 131.139.3.81 | 2206925649 | 0 |
| 131.139.3.82 | 2206925650 | 0 |
| 131.139.3.83 | 2206925651 | 0 |
| 131.139.3.84 | 2206925652 | 0 |
| 131.139.3.85 | 2206925653 | 0 |