/usr/bin/arm-linux-gnueabi-as is in binutils-arm-linux-gnueabi 2.24-1ubuntu1cross1.97.
This file is owned by root:root, with mode 0o755.
It is a symlink to /usr/bin/./usr/arm-linux-gnueabi/bin/as
/usr/bin/./usr/arm-linux-gnueabi/bin/as