Hi. I've acquired a CIDR block of 1024 class C nets for "AADSnet" (Ameritech Advanced Data Services internet service). In addition to the obvious assignment of nets within this block to customers who are connecting to the Internet, I've begun to hear from customers who would like us to assign them addresses for their private internets. Another example is that a group within the company has asked me for a block of 64 class C nets for a large network they are building for staff-only use. In the case where these nets are not intended for external connectivity, it probably doesn't make sense for me to assign the nets to them from our CIDR block. It would be better to use the non-unique net numbers that are being (have been?) assigned for this purpose. Is that correct? Is there now a final word on this? But a number of these cases seem to be for eventual connection to the global Internet, where we may or may not be the provider. If we are not the provider then eventually this will cause a CIDR-hole which must be announced by another provider. How do others handle this situation, or is this unique to a company like mine? Mark