-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 VENlbjzU2Bx5g02bJbbYgaST1MVLvuu6Ajn76xJyRrOH/FFR8Zn6bUlO5/+z0sFX
 6QGvkYG7LOErHyuuI4aXOA==

<SEC-DOCUMENT>0001047469-99-030937.txt : 19990812
<SEC-HEADER>0001047469-99-030937.hdr.sgml : 19990812
ACCESSION NUMBER:		0001047469-99-030937
CONFORMED SUBMISSION TYPE:	10-Q
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	19990630
FILED AS OF DATE:		19990811

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			F5 NETWORKS INC
		CENTRAL INDEX KEY:			0001048695
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
		IRS NUMBER:				911714307
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		10-Q
		SEC ACT:		
		SEC FILE NUMBER:	000-26041
		FILM NUMBER:		99683745

	BUSINESS ADDRESS:	
		STREET 1:		200 FIRST AVE WEST
		STREET 2:		STE 500
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98119
		BUSINESS PHONE:		2065050800

	MAIL ADDRESS:	
		STREET 1:		200 FIRST AVE WEST
		STREET 2:		STE 500
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98119

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	F5 LABS INC
		DATE OF NAME CHANGE:	19990305
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-Q
<SEQUENCE>1
<FILENAME>000104746999030937-001-seq1-10-q.txt
<DESCRIPTION>10-Q
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-27
<SEQUENCE>2
<FILENAME>000104746999030937-002-seq2-ex-27.txt
<DESCRIPTION>EXHIBIT 27
</DOCUMENT>
</SUBMISSION>