/usr/lib/ is in libcrypt-eksblowfish-perl 0.009-1+b2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/perl5/
/usr/lib/x86_64-linux-gnu/perl5/5.20/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/Crypt/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/Crypt/Eksblowfish/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/Crypt/Eksblowfish/Eksblowfish.so
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/Crypt/Eksblowfish/Eksblowfish.bs
/usr/lib/x86_64-linux-gnu/perl5/5.20/Crypt/
/usr/lib/x86_64-linux-gnu/perl5/5.20/Crypt/Eksblowfish.pm
/usr/lib/x86_64-linux-gnu/perl5/5.20/Crypt/Eksblowfish/
/usr/lib/x86_64-linux-gnu/perl5/5.20/Crypt/Eksblowfish/Family.pm
/usr/lib/x86_64-linux-gnu/perl5/5.20/Crypt/Eksblowfish/Bcrypt.pm
/usr/lib/x86_64-linux-gnu/perl5/5.20/Crypt/Eksblowfish/Blowfish.pm
/usr/lib/x86_64-linux-gnu/perl5/5.20/Crypt/Eksblowfish/Uklblowfish.pm
/usr/lib/x86_64-linux-gnu/perl5/5.20/Crypt/Eksblowfish/Subkeyed.pm