Added, withdrawn, and changed origin ASNs between consecutive imports.
197.216.21.0/24
197.216.57.0/24
197.216.66.0/24
197.216.69.0/24
197.216.85.0/24
197.216.7.0/24
197.216.19.0/24
197.216.52.0/24
197.216.82.0/24
197.217.26.0/24
197.216.18.0/24
197.216.35.0/24
197.216.60.0/24
197.216.59.0/24
197.216.202.0/23