You could look at the buffer config you have and see if you have logs stored, internal buffer can only store upto 1MB but by default it is 4KB unless you change it. Depending on the chattiness of your device i would say the old logs are probably gone. So to answer your question it is not possible to look at this info. if you have a external syslog server like MARS then you could probably get this info.
Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
Table of Contents Introduction:This document describes details on how
NAT-T works. Background: ESP encrypts all critical information,
encapsulating the entire inner TCP/UDP datagram within an ESP header.
ESP is an IP protocol in the same sense that TCP an...