/usr/lib/perl5/auto/Apache2/Build/autosplit.ix is in libapache2-mod-perl2 2.0.8+httpd24-r1449661-6ubuntu2.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | # Index created by AutoSplit for blib/lib/Apache2/Build.pm
# (file acts as timestamp)
1;
|