{"id":"same-count-membership-shift-ipv4","family":"ipv4","before_cidrs":["198.51.100.0/25","203.0.113.0/26"],"after_cidrs":["198.51.100.64/26","203.0.113.0/25"],"normalized_before_cidrs":["198.51.100.0/25","203.0.113.0/26"],"normalized_after_cidrs":["198.51.100.64/26","203.0.113.0/25"],"removed_cidrs":["198.51.100.0/26"],"added_cidrs":["203.0.113.64/26"],"before_count":192,"after_count":192,"removed_count":64,"added_count":64,"smallest_removed":"198.51.100.0","smallest_added":"203.0.113.64","interpretation":"Equal totals can hide changed membership.","limitation":"Mathematical address-set comparison only; not reachability, routing, firewall behavior, security policy, configuration validity, or change approval.","synthetic":true,"address_source":"IANA documentation prefixes"} {"id":"same-count-membership-shift-ipv6","family":"ipv6","before_cidrs":["2001:db8:1::/125"],"after_cidrs":["2001:db8:1::/126","2001:db8:2::/126"],"normalized_before_cidrs":["2001:db8:1::/125"],"normalized_after_cidrs":["2001:db8:1::/126","2001:db8:2::/126"],"removed_cidrs":["2001:db8:1::4/126"],"added_cidrs":["2001:db8:2::/126"],"before_count":8,"after_count":8,"removed_count":4,"added_count":4,"smallest_removed":"2001:db8:1::4","smallest_added":"2001:db8:2::","interpretation":"Equal totals can hide changed membership.","limitation":"Mathematical address-set comparison only; not reachability, routing, firewall behavior, security policy, configuration validity, or change approval.","synthetic":true,"address_source":"IANA documentation prefixes"} {"id":"partial-overlap-shift-ipv4","family":"ipv4","before_cidrs":["192.0.2.0/25"],"after_cidrs":["192.0.2.64/26","192.0.2.128/26"],"normalized_before_cidrs":["192.0.2.0/25"],"normalized_after_cidrs":["192.0.2.64/26","192.0.2.128/26"],"removed_cidrs":["192.0.2.0/26"],"added_cidrs":["192.0.2.128/26"],"before_count":128,"after_count":128,"removed_count":64,"added_count":64,"smallest_removed":"192.0.2.0","smallest_added":"192.0.2.128","interpretation":"Overlapping before/after coverage still has exact removed and added fringes.","limitation":"Mathematical address-set comparison only; not reachability, routing, firewall behavior, security policy, configuration validity, or change approval.","synthetic":true,"address_source":"IANA documentation prefixes"} {"id":"normalized-no-change-ipv6","family":"ipv6","before_cidrs":["2001:db8:3::1/126","2001:db8:3::4/126"],"after_cidrs":["2001:db8:3::/125"],"normalized_before_cidrs":["2001:db8:3::/125"],"normalized_after_cidrs":["2001:db8:3::/125"],"removed_cidrs":[],"added_cidrs":[],"before_count":8,"after_count":8,"removed_count":0,"added_count":0,"smallest_removed":null,"smallest_added":null,"interpretation":"Host-bit normalization and aggregation can yield no set change.","limitation":"Mathematical address-set comparison only; not reachability, routing, firewall behavior, security policy, configuration validity, or change approval.","synthetic":true,"address_source":"IANA documentation prefixes"}