NAME

       ashunt - Autonomous System (AS) trace route utility

SYNOPSIS

       ashunt    -H|--host <host> -i|-d|--dev <dev> [-6|--ipv6]      [-n|--numeric] [-N|--dns]
       [-f|--init-ttl <ttl>]      [-m|--max-ttl <ttl>] [-q|--num-probes] [-x|--timeout <sec>]
            [-S|--syn] [-A|--ack] [-F|--fin] [-P|--psh] [-U|--urg]      [-R|--rst] [-E|--ecn-syn]
       [-t|--tos <tos>] [-G|--nofrag]      [-X|--payload <string>] [-Z|--show-packet]
       [-l|--totlen <len>]      [-w|--whois <server>] [-W|--wport <port>] [--city-db <path>]
            [--country-db <path>] [-v|--version] [-h|--help]

DESCRIPTION

       This program provides AS information on each hop between the client and the target host.

OPTIONS

       ashunt -i eth0 -N -E -H netsniff-ng.org
           IPv4 trace of AS with TCP ECN SYN probe

       ashunt -i eth0 -N -S -H netsniff-ng.org
           IPv4 trace of AS with TCP SYN probe

       ashunt -i eth0 -N -F -H netsniff-ng.org
           IPv4 trace of AS with TCP FIN probe

       ashunt -i eth0 -N -FPU -H netsniff-ng.org
           IPv4 trace of AS with Xmas probe

       ashunt -i eth0 -N -H netsniff-ng.org -X "censor-me" -Z
           IPv4 trace of AS with Null probe with ASCII payload

       ashunt -6 -S -i eth0 -H netsniff-ng.org
           IPv6 trace of AS up to netsniff-ng.org

OPTIONS

       -h|--help
           Print help text and lists all options.

       -v|--version
           Print version.

       -H|--host <host>
           Host/IPv4/IPv6 to lookup AS route to

       i-|-d|--dev <netdev>
           Networking device, i.e. eth0

       -p|--port <port>
           Hosts port to lookup AS route to

       -4|--ipv4
           Use IPv4 requests (default)

       -6|--ipv6
           Use IPv6 requests

       -n|--numeric
           Do not do reverse DNS lookup for hops

       -N|--dns
           Do a reverse DNS lookup for hops

       -f|--init-ttl <ttl>
           Set initial TTL

       -m|--max-ttl <ttl>
           Set maximum TTL (default: 30)

       -q|--num-probes <num>
           Number of max probes for each hop (default: 3)

       -x|--timeout <sec>
           Probe response timeout in sec (default: 3)

       -S|--syn
           Set TCP SYN flag in packets

       -A|--ack
           Set TCP ACK flag in packets

       -F|--fin
           Set TCP FIN flag in packets

       -P|--psh
           Set TCP PSH flag in packets

       -U|--urg
           Set TCP URG flag in packets

       -R|--rst
           Set TCP RST flag in packets

       -E|--ecn-syn
           Send ECN SYN packets (RFC3168)

       -t|--tos <tos>
           Set the IP TOS field

       -w|--whois <server>
           Use a different AS whois DB server (default: /etc/netsniff-ng/whois.conf)

       -W|--wport <port>
           Use a different port to AS whois server (default: /etc/netsniff-ng/whois.conf)

       --city-db <path>
           Specifiy path for geoip city database

       --country-db <path>
           Specifiy path for geoip country database

AUTHOR

       Written by Daniel Borkmann <daniel@netsniff-ng.org>

DOCUMENTATION

       Documentation by Emmanuel Roullit <emmanuel@netsniff-ng.org>

BUGS

       Please report bugs to <bugs@netsniff-ng.org>

                                            2012-06-29                                  ashunt(8)