First, standard disclaimers.. 1. This is a technical email. 2. I'm not speaking for any organization, other than ME. In the last 72 hours I've seen over 3GB of data hit a network I play with with source IP's of IANA-RESERVED space. Various people have reported seeing IANA-RSERVED get announced via BGP at different parts of the net. Various people maintain lists of IANA-RESERVED space and other such "special use or reserved" prefixes. These lists are used by others to generate filters, ACL's and the like. When IANA allocates a new prefix to a RIR, these lists have to be updated manually. Sometime after the space has been put into service and someone complains. Give the above, would it make sense for: A) The IANA to maintain a IRR/RADB type database that would allow for the auto generation of filters and ACL's based *purely* on RESERVED IANA space. No other prefixs would be listed. or B) For one or more of the RIR's (APNIC, ARIN, LACNIC, RIPE, etc) to maintain such a database, again only IANA-RSERVED space. or C) One of the existing well known IRR/RADB's to maintain the db ? If such a database was available, would YOU use it ? Would it help your network operations? Would it be of a possitive or negative nature to your network? Lets try to stay away from the obvious potential flames and other religous statements. Thank you. John Brown Speaking a single person