curl --location --request GET 'https://api.cloudflare.com/client/v4/ips'
{
"errors": [],
"messages": [],
"result": {
"etag": "a8e453d9d129a3769407127936edfdb0",
"ipv4_cidrs": [
"199.27.128.0/21"
],
"ipv6_cidrs": [
"2400:cb00::/32"
]
},
"success": true
}