1. Schmoll, C., Quittek, J., Bulanza, A., Zander, S., Kundt, M., Boschi, E., Sliwinski, J.: State of interoperability. Deliverable D11, FP6 IST MOME project (2004)
2. The OneLab experimental facility, http://www.onelab.eu/
3. University of Oregon Route Views project, http://www.routeviews.org/
4. Team Cymru IP to ASN mapping service, http://www.team-cymru.org/ervices/ip-to-asn.html
5. The Prefix WhoIs Project, http://pwhois.org/