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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C.  20549

SCHEDULE 13G
Under the Securities Exchange Act of 1934

(Amendment No. 6)*

IHOP Corp.
________________________________________________________
(Name of Issuer)


Common Stock
_______________________________________________________
(Title of Class and Securities)

449623107
_______________________________________________________

(CUSIP Number of Class of Securities)

Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

/X/	Rule 13d-1(b)
/ /	Rule 13d-1(c)
/ /	Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a

reporting person's initial filing on this form with respect to the

subject class of securities, and for any subsequent amendment

containing information which would alter the disclosures provided

in a prior page.



The information required in the remainder of this cover page shall

not be deemed to be "filed" for the purpose of Section 18 of the

Securities Exchange Act of 1934 ("Act") or otherwise subject to the

liabilities of that section of the Act but shall be subject to all

other provisions of the Act (however, see the Notes).





                  (Continued on following page(s))





CUSIP No. 449623107                                             13G
_____________________________________________________________________________
(1)  NAMES OF REPORTING PERSONS
     Southeastern Asset Management, Inc.      I.D. No. 62-0951781
_____________________________________________________________________________
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
                                              (a)
                                              (b) X
_____________________________________________________________________________
(3)  SEC USE ONLY
_____________________________________________________________________________
(4)  CITIZENSHIP OR PLACE OF ORGANIZATION
     Tennessee
_____________________________________________________________________________
                                   :(5) SOLE VOTING POWER
                                   :   (Discretionary Accounts)
NUMBER OF SHARES BENEFICIALLY      :      502,800 shares
OWNED BY EACH REPORTING PERSON     __________________________________________
WITH                               :(6) SHARED OR NO VOTING POWER

                                         2,978,100 shares (shared)
                                            150,000 shares (No Vote)
                                   __________________________________________
                                   :(7) SOLE DISPOSITIVE POWER
                                        (Discretionary Accounts)
                                   :       652,800 shares
                                   __________________________________________
                                   :(8)  SHARED DISPOSITIVE POWER

                                   :     2,978,100 shares (Shared)
                                            0 shares (None)
_____________________________________________________________________________
(9)  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      
        3,630,900 shares
_____________________________________________________________________________
(10)  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES
      CERTAIN SHARES -X- See Items 4(c)(ii) and (iv)
_____________________________________________________________________________
(11)  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
       18.1 %
_____________________________________________________________________________
(12)  TYPE OF REPORTING PERSON
      IA
_____________________________________________________________________________



CUSIP No. 449623107                                             13G
_____________________________________________________________________________
(1)  NAMES OF REPORTING PERSONS
 	Longleaf Partners Realty Fund		I.D. No. 62-1616883
_____________________________________________________________________________
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
                                              (a)
                                              (b) X
_____________________________________________________________________________
(3)  SEC USE ONLY
_____________________________________________________________________________
(4)  CITIZENSHIP OR PLACE OF ORGANIZATION
     Massachusetts Business Trust
_____________________________________________________________________________
                                   :(5) SOLE VOTING POWER
                                   :   
NUMBER OF SHARES BENEFICIALLY      :    None
OWNED BY EACH REPORTING PERSON     __________________________________________
WITH                               :(6) SHARED OR NO VOTING POWER

                                         1,434,000 shares (shared)
                                            
                                   __________________________________________
                                   :(7) SOLE DISPOSITIVE POWER
                                        
                                   :    None
                                   __________________________________________
                                   :(8)  SHARED DISPOSITIVE POWER

                                   :     1,434,000 shares (Shared)
                                            
_____________________________________________________________________________
(9)  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      
        1,434,000 shares
_____________________________________________________________________________
(10)  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES
      CERTAIN SHARES
_____________________________________________________________________________
(11)  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
       7.2 %
_____________________________________________________________________________
(12)  TYPE OF REPORTING PERSON
      IV
_____________________________________________________________________________


CUSIP No. 449623107                                             13G
_____________________________________________________________________________
(1)  NAMES OF REPORTING PERSONS
 	Longleaf Partners Small-Cap Fund		I.D. No. 62-1376170
_____________________________________________________________________________
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
                                              (a)
                                              (b) X
_____________________________________________________________________________
(3)  SEC USE ONLY
_____________________________________________________________________________
(4)  CITIZENSHIP OR PLACE OF ORGANIZATION
     Massachusetts Business Trust
_____________________________________________________________________________
                                   :(5) SOLE VOTING POWER
                                   :   
NUMBER OF SHARES BENEFICIALLY      :    None
OWNED BY EACH REPORTING PERSON     __________________________________________
WITH                               :(6) SHARED OR NO VOTING POWER

                                         1,544,100 shares (shared)
                                            
                                   __________________________________________
                                   :(7) SOLE DISPOSITIVE POWER
                                        
                                   :    None
                                   __________________________________________
                                   :(8)  SHARED DISPOSITIVE POWER

                                   :     1,544,100 shares (Shared)
                                            
_____________________________________________________________________________
(9)  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      
        1,544,100 shares
_____________________________________________________________________________
(10)  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES
      CERTAIN SHARES
_____________________________________________________________________________
(11)  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
       7.7 %
_____________________________________________________________________________
(12)  TYPE OF REPORTING PERSON
      IV
_____________________________________________________________________________



CUSIP No.  449623107                                     13G
_____________________________________________________________________________
(1)  NAMES OF REPORTING PERSONS
     O. Mason Hawkins                         I.D. No. 257-72-3256
_____________________________________________________________________________
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
                                              (a)
                                              (b) X
_____________________________________________________________________________
(3)  SEC USE ONLY
_____________________________________________________________________________
(4)  CITIZENSHIP OR PLACE OF ORGANIZATION
     Citizen of United States
_____________________________________________________________________________
                                   :(5) SOLE VOTING POWER
                                   :   (Discretionary Accounts)
NUMBER OF SHARES BENEFICIALLY      :    None
OWNED BY EACH REPORTING PERSON     __________________________________________
WITH                               :(6) SHARED VOTING POWER

                                   :    None
                                   __________________________________________
                                   :(7) SOLE DISPOSITIVE POWER

                                   :    None
                                   __________________________________________
                                   :(8) SHARED DISPOSITIVE POWER

                                   :    None
_____________________________________________________________________________
(9)  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

       None  (See Item 3 )
_____________________________________________________________________________
(10)  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES
      CERTAIN SHARES
_____________________________________________________________________________
(11)  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
      0.0%
_____________________________________________________________________________
(12)  TYPE OF REPORTING PERSON
      IN
_____________________________________________________________________________



Item 1.

     (a). Name of Issuer: IHOP Corp.
          ("Issuer")

     (b). Address of Issuer's Principal Executive Offices:

          450 North Brand Boulevard
          Glendale, California 91203-1903

Item 2.

     (a) and (b). Names and Principal Business Addresses of Persons
         Filing:

(1)		Southeastern Asset Management, Inc.
              	6410 Poplar Ave., Suite 900
              	Memphis, TN 38119

(2) Longleaf Partners Realty Fund
Longleaf Partners Small-Cap Fund
c/o Southeastern Asset Management, Inc.
6410 Poplar Avenue, Suite 900
Memphis, TN, 38119

(3)		Mr. O. Mason Hawkins
              	Chairman of the Board and C.E.O.
              	Southeastern Asset Management, Inc.
              	6410 Poplar Ave., Suite 900
              	Memphis, TN 38119


     (c). Citizenship:

Southeastern Asset Management, Inc. - A Tennessee corporation

Longleaf Partners Realty Fund and Longleaf Partners Small-Cap
Fund, series of Longleaf Partners Funds Trust, a Massachusetts 
business trust

Mr. O. Mason Hawkins - U.S. Citizen

     (d). Title of Class of Securities:  Common Stock (the
            "Securities").

     (e). Cusip Number:  449623107


Item 3.  If this statement is filed pursuant to Rules 13d-1 (b) or
 13d-2 (b), check whether the person filing is a:

(d.) Investment Company registered under Sec. 8 of the Investment 
Company Act - Longleaf Partners Realty Fund and Longleaf Partners Small-
Cap Fund, series of Longleaf Partners Funds Trust.	

(e.) Investment Adviser registered under Section 203 of the 
Investment Advisers Act of 1940.  This statement is being filed
by Southeastern Asset Management, Inc. as a registered investment 
adviser. All of the securities covered by this report are owned 
legally by Southeastern's investment advisory clients and none 
are owned directly or indirectly by Southeastern.  As permitted 
by Rule 13d-4, the filing of this statement shall not be construed 
as an admission that Southeastern Asset Management, Inc. is the 
beneficial owner of any of the securities covered by this statement.

(g.) Parent Holding Company.  This statement is also being filed by 
Mr. O. Mason Hawkins, Chairman of the Board and C.E.O. of 
Southeastern Asset Management, Inc. in the event he could be 
deemed to be a controlling person of that firm as the result of 
his official positions with or ownership of its voting securities. 
The existence of such control is expressly disclaimed.  Mr. Hawkins 
does not own directly or indirectly any securities covered by 
this statement for his own account.  As permitted by Rule 13d-4, 
the filing of this statement shall not be construed as an admission 
that Mr. Hawkins is the beneficial owner of any of the securities 
covered by this statement.

Item 4. Ownership:

     (a). Amount Beneficially Owned: (At 12/31/00)
            3,630,900 shares

     (b). Percent of Class:
            18.1 %

          Above percentage is based on 20,008,341 shares of Common
          Stock outstanding.

     (c). Number of shares as to which such person has:

          (i).   sole power to vote or to direct the vote:

                    502,800 shares

          (ii).  shared or no power to vote or to direct the vote:

                 Shared - 2,978,100 shares.
                 Securities owned by the following series of Longleaf
                 Partners Funds Trust, an open-end management
                 investment company registered under the Investment
                 Company Act of 1940, as follows:

                    Longleaf Partners Realty Fund - 1,434,000
                    Longleaf Partners Small-Cap Fund - 1,544,100

No Power to Vote - 150,000. This figure does not include 
1,005,000 shares held by completely non-discretionary accounts 
over which the filing parties have neither voting nor 
dispositive power and for which the filing parties disclaim 
beneficial ownership.


          (iii). sole power to dispose or to direct the disposition
                 of:

                    652,800 shares

          (iv).  shared or no power to dispose or to direct the
                 disposition of:

                 Shared - 2,978,100 shares
                 Securities owned by the following series of Longleaf
                 Partners Funds Trust, an open-end management
                 investment company registered under the Investment
                 Company Act of 1940, as follows:

                    Longleaf Partners Realty Fund - 1,434,000
                    Longleaf Partners Small-Cap Fund - 1,544,100

No Power - 0 shares. This figure does not include 1,005,000 
shares held by completely non-discretionary accounts over which 
the filing parties have neither voting nor dispositive power 
and for which the filing parties
disclaim beneficial ownership.


Item 5. Ownership of Five Percent or Less of a Class:  N/A


Item 6. Ownership of More Than Five Percent on Behalf of Another
        Person:  N/A


Item 7. Identification and Classification of the Subsidiary Which
        Acquired the Security Being Reported on By the Parent
        Holding Company:  N/A


Item 8. Identification and Classification of Members of the Group:
        N/A


Item 9. Notice of Dissolution of Group:  N/A



Item 10. Certification:


By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were acquired in the
ordinary course of business and were not acquired for the purpose
and do not have the effect of changing or influencing the control
of the issuer of such securities and were not acquired in
connection with or as a participant in any transaction having such
purposes or effect.



                            Signatures
After reasonable inquiry and to the best of the knowledge and
belief of the undersigned, the undersigned certifies that the
information set forth in this statement is true, complete, and
correct.

Dated: February 8, 2001

                              Southeastern Asset Management, Inc.

                              By  /s/ Charles D. Reaves
 					_______________________________________________
Charles D. Reaves
                              Vice President and General Counsel

					Longleaf Partners Realty Fund
Longleaf Partners Small-Cap Fund

                              By  /s/ Charles D. Reaves
 					_______________________________________________
Charles D. Reaves
                              Executive Vice President 

                              O. Mason Hawkins, Individually

                                /s/ O. Mason Hawkins
                              _______________________________________________

                       Joint Filing Agreement
In accordance with Rule 13d-1(f) under the Securities Exchange Act
of 1934, the persons or entities named below agree to the joint
filing on behalf of each of them of this Schedule 13G with respect
to the Securities of the Issuer and further agree that this joint
filing agreement be included as an exhibit to this Schedule 13G. In
evidence thereof, the undersigned hereby execute this Agreement as
of February 8, 2001.

Southeastern Asset Management, Inc.

                              By  /s/ Charles D. Reaves
 					_______________________________________________
Charles D. Reaves
                              Vice President and General Counsel
					
					Longleaf Partners Realty Fund
Longleaf Partners Small-Cap Fund

                              By  /s/ Charles D. Reaves
 					_______________________________________________
Charles D. Reaves
                              Executive Vice President 

                              O. Mason Hawkins, Individually

                                /s/ O. Mason Hawkins
                              _______________________________________________
                              


HOP13G6.doc	
SCHEDULE 13G - IHOP Corp. ("Issuer")
Amendment #6
6
HOP13G6.doc