Facts

A. The Public Prosecutor's Office at the Ordinary Court of Milan has submitted a request for judicial assistance to Switzerland in the context of a criminal proceeding against B., who is under investigation for defamation for having disseminated, through the Internet, news that would have offended the honor of a university by stating that it was not recognized in the Swiss university system. The foreign authority has requested the identification of two IP addresses on the Internet assigned by Ticinocom and Swisscom.

B. The Public Prosecutor's Office of the Canton of Ticino, with a closing decision of February 16, 2007, ordered the transmission to Italy of information from the Federal Service for Special Tasks indicating the name of A. SA and its sole administrator B., resident in the Canton of Ticino. The parties concerned have filed an appeal against this decision.

C. Against the judgment of inadmissibility of the appeal, A. SA and B. filed a public law appeal to the Federal Court, requesting the annulment of the contested decision and the referral of the case to the lower authority for a decision on the merits of their appeal.

Considerations

2.1 The faculty to submit an additional memorandum is not the rule, being granted only exceptionally in cases of extraordinary extension or particular difficulty.

2.2 The criticisms in the appeal concerning the alleged lack of legality and proportionality of the surveillance have been examined and rejected by the CRP, therefore they are outside the subject of the dispute and are inadmissible.

2.3-2.4 The transmission of data concerning only the affiliation of an IP address falls…