Many thanks for people to point out errors. Embarrassing how many I've made over time including recently.
The 192.52.x.x range I felt it might be best to get heavy with. 192.52.128.0/17 since all ranges are either Corporate Business or Government allocated. That range has had a bad history. Only possible ill-effect I could see is a College falls within that range.
So which EOL format should I use?
I vaguely recall reading 'somewhere' in gnutella docs (perhaps program commentary) about these differences & what you should probably choose to do to reduce possible problems.
I presume this is the operation in question:
It appeared to be taking a notable time to complete a test run of the operation on the full hostiles using the Unix/OSX format. Oops that seemed to cause problems.