List as of April 2024:

full mirror:

http://asimov.applefritter.com/
ftp://asimov.applefritter.com/ (User:asimov Pass:asimov)
https://mirrors.vectair.net/apple2/mirrors/ftp.apple.asimov.net/
https://mirrors.apple2.org.za/ftp.apple.asimov.net/


out of date mirror:

http://ftp.crihan.fr/crihan/apple.asimov.net/ftp.apple.asimov.net/pub/apple_II/