Les adresses IP débutant par 131.243.1 sont fournies par Lawrence Berkeley National Laboratory, elles appartiennent au CIDR (Classless Inter-Domain Routing) 131.243.0.0/16, le bloc IP comprant les adresses de 131.243.0.0 à 131.243.255.255). Le numéro de système autonome (ASN) est 16.
| ASN | 16 |
| IP commençant par | 131.243.0.0 |
| IP se terminant par | 131.243.255.255 |
| Nom ASN | Lawrence Berkeley National Laboratory |
| CDIR | 131.243.0.0/16 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 10/04/2020 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | AU | Australie | - | Robina | -28,0707 | 153,3933 | 2020-04-10 |
| MaxMind | US | États-Unis | - | Alameda | 37,7735 | -122,2788 | 2020-04-10 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 131.243.1.0 | 2213740800 | 0 |
| 131.243.1.1 | 2213740801 | 0 |
| 131.243.1.2 | 2213740802 | 0 |
| 131.243.1.3 | 2213740803 | 0 |
| 131.243.1.4 | 2213740804 | 0 |
| 131.243.1.5 | 2213740805 | 0 |
| 131.243.1.6 | 2213740806 | 0 |
| 131.243.1.7 | 2213740807 | 0 |
| 131.243.1.8 | 2213740808 | 0 |
| 131.243.1.9 | 2213740809 | 0 |
| 131.243.1.10 | 2213740810 | 0 |
| 131.243.1.11 | 2213740811 | 0 |
| 131.243.1.12 | 2213740812 | 0 |
| 131.243.1.13 | 2213740813 | 0 |
| 131.243.1.14 | 2213740814 | 0 |
| 131.243.1.15 | 2213740815 | 0 |
| 131.243.1.16 | 2213740816 | 0 |
| 131.243.1.17 | 2213740817 | 0 |
| 131.243.1.18 | 2213740818 | 0 |
| 131.243.1.19 | 2213740819 | 0 |
| 131.243.1.20 | 2213740820 | 0 |
| 131.243.1.21 | 2213740821 | 0 |
| 131.243.1.22 | 2213740822 | 0 |
| 131.243.1.23 | 2213740823 | 0 |
| 131.243.1.24 | 2213740824 | 0 |
| 131.243.1.25 | 2213740825 | 0 |
| 131.243.1.26 | 2213740826 | 0 |
| 131.243.1.27 | 2213740827 | 0 |
| 131.243.1.28 | 2213740828 | 0 |
| 131.243.1.29 | 2213740829 | 0 |
| 131.243.1.30 | 2213740830 | 0 |
| 131.243.1.31 | 2213740831 | 0 |
| 131.243.1.32 | 2213740832 | 0 |
| 131.243.1.33 | 2213740833 | 0 |
| 131.243.1.34 | 2213740834 | 0 |
| 131.243.1.35 | 2213740835 | 0 |
| 131.243.1.36 | 2213740836 | 0 |
| 131.243.1.37 | 2213740837 | 0 |
| 131.243.1.38 | 2213740838 | 0 |
| 131.243.1.39 | 2213740839 | 0 |
| 131.243.1.40 | 2213740840 | 0 |
| 131.243.1.41 | 2213740841 | 0 |
| 131.243.1.42 | 2213740842 | 0 |
| 131.243.1.43 | 2213740843 | 0 |
| 131.243.1.44 | 2213740844 | 0 |
| 131.243.1.45 | 2213740845 | 0 |
| 131.243.1.46 | 2213740846 | 0 |
| 131.243.1.47 | 2213740847 | 0 |
| 131.243.1.48 | 2213740848 | 0 |
| 131.243.1.49 | 2213740849 | 0 |
| 131.243.1.50 | 2213740850 | 0 |
| 131.243.1.51 | 2213740851 | 0 |
| 131.243.1.52 | 2213740852 | 0 |
| 131.243.1.53 | 2213740853 | 0 |
| 131.243.1.54 | 2213740854 | 0 |
| 131.243.1.55 | 2213740855 | 0 |
| 131.243.1.56 | 2213740856 | 0 |
| 131.243.1.57 | 2213740857 | 0 |
| 131.243.1.58 | 2213740858 | 0 |
| 131.243.1.59 | 2213740859 | 0 |
| 131.243.1.60 | 2213740860 | 0 |
| 131.243.1.61 | 2213740861 | 0 |
| 131.243.1.62 | 2213740862 | 0 |
| 131.243.1.63 | 2213740863 | 0 |
| 131.243.1.64 | 2213740864 | 0 |
| 131.243.1.65 | 2213740865 | 0 |
| 131.243.1.66 | 2213740866 | 0 |
| 131.243.1.67 | 2213740867 | 0 |
| 131.243.1.68 | 2213740868 | 0 |
| 131.243.1.69 | 2213740869 | 0 |
| 131.243.1.70 | 2213740870 | 0 |
| 131.243.1.71 | 2213740871 | 0 |
| 131.243.1.72 | 2213740872 | 0 |
| 131.243.1.73 | 2213740873 | 0 |
| 131.243.1.74 | 2213740874 | 0 |
| 131.243.1.75 | 2213740875 | 0 |
| 131.243.1.76 | 2213740876 | 0 |
| 131.243.1.77 | 2213740877 | 0 |
| 131.243.1.78 | 2213740878 | 0 |
| 131.243.1.79 | 2213740879 | 0 |
| 131.243.1.80 | 2213740880 | 0 |
| 131.243.1.81 | 2213740881 | 0 |
| 131.243.1.82 | 2213740882 | 0 |
| 131.243.1.83 | 2213740883 | 0 |
| 131.243.1.84 | 2213740884 | 0 |
| 131.243.1.85 | 2213740885 | 0 |