Where were the original nodes of Arpanet located in 1969?

The original nodes of ARPANET, established in 1969, were located at four sites: UCLA (University of California, Los Angeles), Stanford Research Institute, UCSB (University of California, Santa Barbara), and the University of Utah. These nodes served as the initial points for the network, which aimed to facilitate communication between research institutions. The first message sent over ARPANET was between UCLA and Stanford Research Institute.