What can be done to combat and prevent IP hijacking?
First we have to educate everyone that IP address blocks CAN NOT be bought and sold. If you know that somebody offered to sell IP address space – find out who exactly is involved and what IP address space and report it here. We’ll investigate the matter. More than likely it is hijacked IP address space as companies that received IP address space directly from the RIR already know all this (having signed a service agreement with the RIR that says the IP address block cannot be transferred to other companies except in case of a merger) and would not try to sell IP address space. Second, ISPs must cooperate with each other and refuse to route through their network any IP address blocks that are known to have been hijacked (see the list on this web site). ISPs must pay close attention to any new customers (especially those with only co-location servers that come in and say they want to have a large IP address block routed that would seem to consist of a substantially larger number of IP ad
