Since the original documentation for the official 1.5.2 server list was taken down, the community relies on archived lists. You can find a list of multiplayer server addresses in a Google Doc preserved via the Wayback Machine https://web.archive.org/web/20230205110931/https://docs.google.com/document/d/1PhUJSb0ojMyhv1Fs8bmVqwANBkySOgdyfRinJto3xnE/edit .
1.5.2 Eaglercraft: Why the Classic Browser Port Remains a Top Choice 152 eaglercraft better