$ head /usr/local/lib/perl5/site_perl/auto/share/dist/Zonemaster-Engine/profile.json
{
    "asn_db" : {
        "style" : "ripe",
        "sources" : {
            "Cymru" : [ "asnlookup.zonemaster.net", "asn.cymru.com" ],
            "RIPE" : [ "riswhois.ripe.net" ]
        }

$ zonemaster-cli zonemaster.net --level INFO --show_module --test=CONNECTIVITY/connectivity03 --no-ipv6 --locale en_US.UTF-8
Seconds Level     Module       Message
======= ========= ============ =======
   0.00 INFO      SYSTEM       Using version v3.1.2 of the Zonemaster engine.
   4.75 ERROR     CONNECTIVITY ASN Database error. No data to analyze for 91.226.37.45.
   4.79 ERROR     CONNECTIVITY ASN Database error. No data to analyze for 91.226.36.45.
   4.83 ERROR     CONNECTIVITY ASN Database error. No data to analyze for 192.93.0.4.
   4.87 ERROR     CONNECTIVITY ASN Database error. No data to analyze for 2001:67c:124c:2007::45.
   4.91 ERROR     CONNECTIVITY ASN Database error. No data to analyze for 2001:660:3005:1::1:2.
   4.95 ERROR     CONNECTIVITY ASN Database error. No data to analyze for 2001:67c:124c:100a::45.