Ronald F. Guilmette wrote:
... For example, what's the difference between three three:
-rw-r--r-- 1 ftp ftp 28491 Nov 18 00:26 ripe.db.as-block.gz -rw-r--r-- 1 ftp ftp 1610549 Nov 18 00:26 ripe.db.as-set.gz -rw-r--r-- 1 ftp ftp 7248902 Nov 18 00:26 ripe.db.aut-num.gz
My 1st "wild guess" would be: - aut-num: individual AS numbers - as-block: a contiguous set of AS numbers starting with AS-a through AS-b - as-set: a list/enumeration of AS numbers (for which the same routing policy should be applied). Some of that stuff has been devised in the framework of RPSL (IETF RFCs some 15 years ago), but the implementations these days is no longer fully in line with those doc.s and have never been complete - unfortunately. -W