Category: Linux

If you need all ip prefixes announced by AS number for routing, filtering or info purposes, you can use whois client from Linux with args ‘-i origin -T route’ Example: root@ns:~# whois AS9009 -i origin -T route |grep ‘route:’ route: 128.0.1.0/24 route: 138.99.211.0/24 route: 172.111.129.0/24 route: 172.111.130.0/24 route: 172.111.138.0/24 route: 172.111.140.0/24 route: 172.111.141.0/24 route: 172.111.148.0/24…