You can target a specific ASN from the list of ASNs. Choosing an ASN country is done as following: -asn-ASN_NUMBER

Shell
curl "http://target.site" \
    --proxy brd.superproxy.io:22225 \
    --proxy-user brd-customer-<CUSTOMER_ID>-zone-<ZONE_NAME>-asn-56386:<ZONE_PASSWORD>