# ipv4 example
declare local var.client_ip IP = req.http.Fastly-Client-Ip;
declare local var.anon_ip_str STRING = anonymize_ip(var.client_ip);
log "IP " + req.http.Fastly-Client-Ip + " anonymized to " + var.anon_ip_str;

# ipv6 example
# declare local var.anon_ip_str STRING = anonymize_ip("2a04:4e42:400::c0ff:ee:cafe");
# log "IP test address anonymized to " + var.anon_ip_str;