In3x,net,watch,3b99g4d,asin,hot

: A term often used as an acronym for "Amazon Standard Identification Number," though in this context, it may simply be part of a metadata tag.

: This looks like a specific unique identifier or "slug" used for a single post, video, or product listing. in3x,net,watch,3b99g4d,asin,hot

Analysis of the terms suggests they are likely components of a web search or database entry: : A term often used as an acronym