GRANT OF LIMITED POWER OF ATTORNEY
                                 BY GEORGE TRONSRUE
                 WITH REGARD TO CERTAIN SEC "SECTION 16" FILINGS

         Know all persons by these presents, that the undersigned hereby
constitutes and appoints the Chief Operating Officer, Chief Financial
Officer, General Counsel, Chief Accounting Officer and Senior Corporate
Counsel, Securities of InfoSpace Inc, (the "Company"), or any of them, the
undersigned's true and lawful attorney-in-fact to:

         (1)      execute for and on behalf of the undersigned, in the
                  undersigned's capacity as an officer and/or director the
                  Company, Forms 3, 4's and 5's in accordance with Section 16(a)
                  of the Securities Exchange Act of 1934, as amended, and the
                  rules and regulations thereunder;

         (2)      do and perform any and all acts for and on behalf of the
                  undersigned that may be necessary or desirable to complete and
                  execute any such Forms 3, 4's and 5's and timely file such
                  form with the United States Securities and Exchange Commission
                  and any stock exchange or similar authority; and

         (3)      take any other action of any type whatsoever in connection
                  with the foregoing which, in the opinion of such
                  attorney-in-fact, may be of benefit to, in the best interest
                  of, or legally required by, the undersigned, it being
                  understood that the documents executed by such
                  attorney-in-fact on behalf of the undersigned pursuant to this
                  Power of Attorney shall be in such form and shall contain such
                  terms and conditions as such attorney-in-fact may approve in
                  such attorney-in-fact's discretion.

         The undersigned hereby grants to such attorney-in-fact full power and
authority to do and perform each and every act and thing whatsoever requisite,
necessary or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution and revocation,
hereby ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this power of attorney and the rights and powers herein
granted. The undersigned acknowledges that the foregoing attorney-in-fact, in
serving in such capacity at the request of the undersigned, is not assuming, nor
is the Company assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934, as amended.

         The undersigned agrees that such attorney-in-fact may rely entirely on
information furnished orally or in writing by the undersigned to such
attorney-in-fact. The undersigned also agrees to indemnify and hold harmless the
Company and such attorney-in-fact against any losses, claims, damages or
liabilities (or actions in these respects) that arise out of or are based on any
untrue statement or omission of necessary facts in the information provided by
the undersigned to such attorney-in-fact for purposes of executing,
acknowledging, delivering and filing Forms 3, 4's or 5's (including amendments
thereto) and agrees to reimburse the Company and such attorney-in-fact for any
legal or other expenses reasonably incurred in connection with investigating or
defending against any such loss, claim, damage, liability or action.

         This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4's and 5's with respect to
the undersigned's holdings of and transactions in securities issued by the
Company, unless earlier revoked by the undersigned in a signed writing delivered
to the foregoing attorney-in-fact.

         IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 31st day of October, 2004.



                                  /s/ George Tronsrue
                          By:
                              -------------------------------------------------
                                  George Tronsrue