{"id":195,"date":"2012-10-18T23:22:30","date_gmt":"2012-10-18T21:22:30","guid":{"rendered":"http:\/\/evcz.tk\/blog\/?p=195"},"modified":"2012-10-18T23:22:30","modified_gmt":"2012-10-18T21:22:30","slug":"map-a-network-ptr-reverse-dns-values","status":"publish","type":"post","link":"https:\/\/evcz.tk\/blog\/2012\/10\/18\/map-a-network-ptr-reverse-dns-values\/","title":{"rendered":"Map a network &#8211; PTR \/ reverse DNS values [php]"},"content":{"rendered":"<pre lang=\"php\"><?PHP\r\n\r\n$start = '149.3.176.1';\r\n$end = '149.3.177.254';\r\n\r\n$first_ip = ip2long($start);\r\n$last_ip = ip2long($end);\r\n$current_ip = ip2long($start);\r\n\r\nif($last_ip <= $first_ip){\r\n\tdie('I saved you from an infinite loop.');\r\n\texit;\r\n}\r\n\r\necho \"IP\\t\\tREVERSE\\n\";\r\nwhile ($current_ip < $last_ip){\r\n\techo long2ip($current_ip).\"\\t\\t\".gethostbyaddr(long2ip($current_ip)).\"\\n\";\r\n\t$current_ip++;\r\n}\r\n\r\n?><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":45,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[26],"class_list":["post-195","post","type-post","status-publish","format-standard","hentry","category-snippets","tag-php"],"_links":{"self":[{"href":"https:\/\/evcz.tk\/blog\/wp-json\/wp\/v2\/posts\/195","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/evcz.tk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/evcz.tk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/evcz.tk\/blog\/wp-json\/wp\/v2\/users\/45"}],"replies":[{"embeddable":true,"href":"https:\/\/evcz.tk\/blog\/wp-json\/wp\/v2\/comments?post=195"}],"version-history":[{"count":2,"href":"https:\/\/evcz.tk\/blog\/wp-json\/wp\/v2\/posts\/195\/revisions"}],"predecessor-version":[{"id":197,"href":"https:\/\/evcz.tk\/blog\/wp-json\/wp\/v2\/posts\/195\/revisions\/197"}],"wp:attachment":[{"href":"https:\/\/evcz.tk\/blog\/wp-json\/wp\/v2\/media?parent=195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/evcz.tk\/blog\/wp-json\/wp\/v2\/categories?post=195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/evcz.tk\/blog\/wp-json\/wp\/v2\/tags?post=195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}