This is the command ip2host that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
ip2host - Resolves IPs to hostnames in web server logs
ip2host [OPTIONS] [cache_file] < infile > outfile
infile - Web server log file.
outfile - Same as input file, but with IPs resolved to hostnames.
--children=... Number of child processes to spawn (default: 40)
--timeout=... Seconds to wait on DNS response (default: 20)
--buffer=... Maximum number of log lines to keep in
memory (default: 50000)
--flush=... Number of lines to process before flushing
output buffer (default: 500)
--cache=... Filename to use as disk cache (default: none)
--ttl=... Number of seconds before IPs cached on disk are expired
(default: 604800 - One week)
--ipv6 Match IPv6 addresses too
--regex=... Perl regular expression to match IP
This is a faster, drop-in replacement for the logresolve utility distributed with the
Apache web server.
It's been reported to work under Linux, FreeBSD, Solaris, Tru64, and IRIX.
Use ip2host online using onworks.net services