The IP address 131.243.231 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 | 23/07/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | AU | Australia | - | Robina | -28.0707 | 153.3933 | 2019-07-23 |
| MaxMind | US | United States | - | Lafayette | 37.9021 | -122.1157 | 2019-07-23 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |