CERT has written several Perl XS extenstions to enable use of SiLK and other networking and packet-related libraries in Perl.
A Perl XS extension to the BGPdump library, a library maintained by the RIPE NCC and the Internet researcher community to help with analyzing dump files produced by Zebra/Quagga or MRT.
A Perl XS extension to the ncap network data capture library, a library for network data capture similar to libpcap.
A Perl XS extension to the NMSG library, a library for encapsulating network messages.
A Perl XS extension to SiLK.
A Perl XS extension to the WDNS library, a low-level library for inspecting and rendering DNS packets.