Demise
As the RIAA began to successfully dismantle Napster in the end of 2000, the population of OpenNap began to surge. Even though it appeared OpenNap would become the next Napster, it suffered from the same vulnerability as Napster: centralized servers. When the RIAA finally dismantled Napster in 2001, it then aimed its focus on OpenNap.
During OpenNap's peak in February 2002, the RIAA on behest of its member companies, began sending “Cease and Desist” notices to the biggest OpenNap networks. One by one, the networks began to collapse and OpenNap was reduced from a population of over 250,000 to little more than 50,000 in less than five months.
There are only a few private and public opennap servers still in existence.
Read more about this topic: Open Nap