How to use the rpki.net Debian APT repository

How to use this APT repository:

These packages are regenerated automatically by a cron job running a pbuilder environment. Please report any problems.

Name                    Last modified      Size  Description
Parent Directory - rpki.jessie.list 2016-05-08 17:05 112 pool/ 2016-05-08 17:15 - dists/ 2018-06-17 18:29 - apt-gpg-key.gpg 2017-04-18 23:36 1.5K apt-gpg-key.asc 2013-03-09 19:53 2.1K
Apache/2.4.34 (FreeBSD) OpenSSL/1.0.2o SVN/1.10.2 mod_wsgi/4.6.4 Python/2.7 Server at download.rpki.net Port 80