/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/ is in libnetaddr-ip-perl 4.075+dfsg-1+b1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/_128x10.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/_128x2.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/_bcd2bin.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/_bcdcheck.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/_bin2bcdn.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/_deadlen.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/_sa128.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/add128.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/addconst.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/autosplit.ix
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/bcd2bin.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/bcdn2bin.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/bcdn2txt.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/bin2bcd.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/bin2bcdn.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/comp128.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/hasbits.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/ipanyto6.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/ipv4to6.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/ipv6to4.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/mask4to6.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/maskanyto6.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/notcontiguous.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/shiftleft.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/simple_pack.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/slowadd128.al
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/NetAddr/IP/UtilPP/sub128.al