It was initially known as Performance Systems International .
PSINet was founded in 1989 by Martin L. Schoffstall and William L. Schrader , who initially funded the company through personal loans , including using credit cards and by selling the family car .
PSINet was initially known as Performance Systems International .
PSINet was founded in 1989 by Martin L. Schoffstall and William L. Schrader , who initially funded the company through personal loans , including using credit cards and by selling the family car .