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@@ -1,3 +1,12 @@
+### IPv6 General Addressing Overview
+
+- Unique Local Addresses (ULA) for Inter-Router Transport: fd00::/127
+
+- Global Unicast Address for LAN Segments (PI-space-derived): 2001:db8::/48
+
+The network structure reflects a hierarchical and location-aware split of the available IPv6 space, utilizing structured /48 allocations per city and /64 per VLAN.
+
+
 ### A. Location Overview
 
 | Location | Global IPv6 Prefix   | Notes  |