The IP address 131.243.4 is provided by Lawrence Berkeley National Laboratory, it's belong to the CDIR (Classless Inter-Domain Routing) 131.243.0.0/16 (range 131.243.0.0 to 131.243.255.255). The autonomous system number (ASN) is 16.
| ASN | 16 |
| IP starting by | 131.243.0.0 |
| IP ending by | 131.243.255.255 |
| ASN Name | Lawrence Berkeley National Laboratory |
| CDIR | 131.243.0.0/16 |
| Numerical IP | |
| Registry | arin |
| Last update | 28/02/2020 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | AU | Australia | - | Robina | -28.0707 | 153.3933 | 2020-02-28 |
| MaxMind | US | United States | - | Alameda | 37.7735 | -122.2788 | 2020-02-28 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 131.243.4.0 | 2213741568 | 0 |
| 131.243.4.1 | 2213741569 | 0 |
| 131.243.4.2 | 2213741570 | 0 |
| 131.243.4.3 | 2213741571 | 0 |
| 131.243.4.4 | 2213741572 | 0 |
| 131.243.4.5 | 2213741573 | 0 |
| 131.243.4.6 | 2213741574 | 0 |
| 131.243.4.7 | 2213741575 | 0 |
| 131.243.4.8 | 2213741576 | 0 |
| 131.243.4.9 | 2213741577 | 0 |
| 131.243.4.10 | 2213741578 | 0 |
| 131.243.4.11 | 2213741579 | 0 |
| 131.243.4.12 | 2213741580 | 0 |
| 131.243.4.13 | 2213741581 | 0 |
| 131.243.4.14 | 2213741582 | 0 |
| 131.243.4.15 | 2213741583 | 0 |
| 131.243.4.16 | 2213741584 | 0 |
| 131.243.4.17 | 2213741585 | 0 |
| 131.243.4.18 | 2213741586 | 0 |
| 131.243.4.19 | 2213741587 | 0 |
| 131.243.4.20 | 2213741588 | 0 |
| 131.243.4.21 | 2213741589 | 0 |
| 131.243.4.22 | 2213741590 | 0 |
| 131.243.4.23 | 2213741591 | 0 |
| 131.243.4.24 | 2213741592 | 0 |
| 131.243.4.25 | 2213741593 | 0 |
| 131.243.4.26 | 2213741594 | 0 |
| 131.243.4.27 | 2213741595 | 0 |
| 131.243.4.28 | 2213741596 | 0 |
| 131.243.4.29 | 2213741597 | 0 |
| 131.243.4.30 | 2213741598 | 0 |
| 131.243.4.31 | 2213741599 | 0 |
| 131.243.4.32 | 2213741600 | 0 |
| 131.243.4.33 | 2213741601 | 0 |
| 131.243.4.34 | 2213741602 | 0 |
| 131.243.4.35 | 2213741603 | 0 |
| 131.243.4.36 | 2213741604 | 0 |
| 131.243.4.37 | 2213741605 | 0 |
| 131.243.4.38 | 2213741606 | 0 |
| 131.243.4.39 | 2213741607 | 0 |
| 131.243.4.40 | 2213741608 | 0 |
| 131.243.4.41 | 2213741609 | 0 |
| 131.243.4.42 | 2213741610 | 0 |
| 131.243.4.43 | 2213741611 | 0 |
| 131.243.4.44 | 2213741612 | 0 |
| 131.243.4.45 | 2213741613 | 0 |
| 131.243.4.46 | 2213741614 | 0 |
| 131.243.4.47 | 2213741615 | 0 |
| 131.243.4.48 | 2213741616 | 0 |
| 131.243.4.49 | 2213741617 | 0 |
| 131.243.4.50 | 2213741618 | 0 |
| 131.243.4.51 | 2213741619 | 0 |
| 131.243.4.52 | 2213741620 | 0 |
| 131.243.4.53 | 2213741621 | 0 |
| 131.243.4.54 | 2213741622 | 0 |
| 131.243.4.55 | 2213741623 | 0 |
| 131.243.4.56 | 2213741624 | 0 |
| 131.243.4.57 | 2213741625 | 0 |
| 131.243.4.58 | 2213741626 | 0 |
| 131.243.4.59 | 2213741627 | 0 |
| 131.243.4.60 | 2213741628 | 0 |
| 131.243.4.61 | 2213741629 | 0 |
| 131.243.4.62 | 2213741630 | 0 |
| 131.243.4.63 | 2213741631 | 0 |
| 131.243.4.64 | 2213741632 | 0 |
| 131.243.4.65 | 2213741633 | 0 |
| 131.243.4.66 | 2213741634 | 0 |
| 131.243.4.67 | 2213741635 | 0 |
| 131.243.4.68 | 2213741636 | 0 |
| 131.243.4.69 | 2213741637 | 0 |
| 131.243.4.70 | 2213741638 | 0 |
| 131.243.4.71 | 2213741639 | 0 |
| 131.243.4.72 | 2213741640 | 0 |
| 131.243.4.73 | 2213741641 | 0 |
| 131.243.4.74 | 2213741642 | 0 |
| 131.243.4.75 | 2213741643 | 0 |
| 131.243.4.76 | 2213741644 | 0 |
| 131.243.4.77 | 2213741645 | 0 |
| 131.243.4.78 | 2213741646 | 0 |
| 131.243.4.79 | 2213741647 | 0 |
| 131.243.4.80 | 2213741648 | 0 |
| 131.243.4.81 | 2213741649 | 0 |
| 131.243.4.82 | 2213741650 | 0 |
| 131.243.4.83 | 2213741651 | 0 |
| 131.243.4.84 | 2213741652 | 0 |
| 131.243.4.85 | 2213741653 | 0 |