ocr: IPVG PRUVIDER-BASED UNIGAST ADDRESS FORMAT Prefix RegistryID Providerio Reserved Subscriber: 3 Reserved intrasdoschner 010 Sbits 16bits 8bits 24bts abits 6ibits Figure 3.The, IPro Provider-bised HICEST address IS expected to be the first gromp ofl Tvo adaresses to be allocated.