According to the Java implementation of the IP search address, the / t separated IP, address format (start IP / T end IP / T country / T area / n) can be converted to ascended binary format, through two-point lookup energy at 50-150ms Find address information corresponding to IP. Original data can be generated with iPlook. Code:
Iptool.java
0123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367 / * * Creation Date 2004-10-23 * * / package starfire.proxy.ip; import java.io.BufferedReader; import java.io.DataOutputStream; import java.io.File; import java.io.FileInputStream; import java.io. FileOutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.RandomAccessFile; import java.net.InetAddress; import java.net.UnknownHostException; import java.util.ArrayList; import java.util.Collections Import java.util.Comparator; import java.util.hashmap; import java.util.ITERATOR; import java.util.StringTokenizer; / ** * 4 | 4 | 4 | 4 | 4 # total record number | IP offset Quantity | Index Offset | Data Offset * (4 | 4 | 2 | 2) * # Start IP | End IP | Country Index | Regional Index * (2 | 4) * # 2 Index, 4 bias Remove (point to COUNTRY | LOCAL) (Countrynull | Localnull) * * @ Authoripinfo.java
0123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354 / * creation date 2004-10-23 * * / package starfire.proxy.ip; / ** * @author IPTool with the format (String dataPath, String targetPath) may be converted to raw data files using the internal format.
