APPLIEDTHEORY CORP

FY: Dec 31 2001

FY: Dec 31 2001

Q: Sep 30 2001

Q: Jun 30 2001

Q: Mar 31 2001

FY: Dec 31 2000

Q: Sep 30 2000

Q: Jun 30 2000

Q: Mar 31 2000

FY: Dec 31 1999

Q: Sep 30 1999

Q: Jun 30 1999

Q: Mar 31 1999

5

5,7

3,7

5,7

5,7

5,7

2,7

5,7

2,7

2,7

2,7

2,7

2,7

Certification of termination of registration of a class of securities (Section 12(g))

Post Effective Amendment to S-8

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933

Withdrawal of a registration statement

Registration statement under Securities Act of 1933

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement with Pricing Information

Amended Initial Registration Statement

No description available

Amended Initial Registration Statement

Amended Initial Registration Statement

Registration (IPO) statement under Securities Act of 1933

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

HALIFAX FUND LP

IXC INTERNET SERVICES INC

IXC INTERNET SERVICES INC

IXC INTERNET SERVICES INC

IXC INTERNET SERVICES INC

IXC INTERNET SERVICES INC

IXC INTERNET SERVICES INC

IXC INTERNET SERVICES INC

NYSERNET NET INC

ELLIOTT ASSOCIATES LP

HALIFAX FUND LP

ELLIOTT ASSOCIATES LP

COUCH JAMES G

IXC INTERNET SERVICES INC

GRUMMAN HILL INVESTMENTS LP