preciso que seja desenvolvido um Script PHP web para testar blocos IP validos.
testando os IPv4 com o comando PING à partir de uma lista de varios blocos /15, /16,... /24 e armazenando-os em uma tabela MySql ou .CSV os resultados de cada bloco por IP.
exemplo: lista input
bloco [login to view URL]
187.xxx.XXX.1 - used
187.xxx.XXX.2 - not used
187.xxx.XXX.3 - not used
187.xxx.XXX.4 - used
::::::::
187.xxx.XXX.255 - used
_________
Total used = 433/131072 -- 0.33%
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