Function isSpecialUseIPv4

lib/helpers/fetch_request.js:84–91

(address)

}

function isSpecialUseIPv4(address) {
  const addr = ipv4ToInt(address);
  const bucket = V4_OCTET_BUCKETS[(addr >>> 24) & 0xff];
  for (let i = 0; i < bucket.length; i++) {
    if (((addr & bucket[i].mask) >>> 0) === bucket[i].prefix) return true;
  }
  return false;
}

// IANA IPv6 Special-Purpose Address Space
// https://www.iana.org/assignments/iana-ipv6-special-registry/