ASN Lookup Tool

ASN / RPKI validity / BGP stats / IPv4v6 / Prefix / ASPath / Organization / IP reputation & geolocation lookup tool / Web traceroute server.

Grab the code here at github.com

On a Mac you will need ipcalc, aha, mtr and some other prerequisites, install with homebrew.

brew install bash coreutils curl whois mtr jq ipcalc grepcidr nmap aha && brew link mtr


(A path may need to be added to /usr/local/sbin in /etc/paths)

$ asn -n 192.168.0.1
$ asn domain.com
$ asn 5555 (using asn)
$ asn -d 192.168.0.1 (detailed trace)

CISSP CISM PMP