I suspect that's a snippit taken directly from the XML in a ProntoNEO NCF file? It was notorious for not using normal Pronto Hex format.
But here's the thing: Marantz's version of that software, RC3200 Setup, DOES display those weird codes in Pronto hex. So, just download that from this site.
Note that RC3200 Setup will initially refuse to open a ProntoNEO file. For, that you need to edit the ZIP comment and change it from:
Type:002
Version:001.000
to
Type:001
Version:001.000
Using the same instructions as for the Pronto NG at
[Link: remotecentral.com]